Air Mail newsletter and bulletins

Air Mail newsletter and bulletins provide periodic updates on air quality issues.

Air Mail newsletter and bulletinNewsletter

  • $1 million available for heavy-duty off-road diesel equipment grants
  • Join Minnesota GreenCorps
  • Save the date: Air modeling virtual open house
  • Webinar: Clean air for all? The unequal burdens of air pollution
  • Air monitoring network plan ready for comment soon
  • Transportation policy plan ready for comment soon
  • Electric vehicle charging station survey
  • Low-income, diverse communities face greater health impacts from air pollution
  • New framework for addressing asthma in Minnesota
  • Air quality forecast for summer: better than last year, but still potentially smoky
  • Latest data added to MPCA’s air emissions data tool
  • Minnesota GreenCorps helps tribal communities achieve energy savings
  • Meet the Clean Air Minnesota co-chairs
  • TCE ban implementation
  • MnTAP helps Minnesota businesses get ready for the TCE ban
  • Online trainings help small businesses find permitting answers
  • Removal of stay of formaldehyde standards in 40 CFR part 63, subp. YYYY
  • New rules adopted related to air quality
Published: May 18, 2022

Older newsletters in the archive.


The 2023 Air Monitoring Network Plan for Minnesota is available for public inspection and comment through June 24, 2022. The plan and instructions for submitting comments are available on the MPCA’s Air monitoring webpage.

Published: May 25, 2022

Older bulletins in the archive.

Air Mail newsletter and bulletin

Past newsletters

  • GreenCorps host site applications open
  • MPCA available to collaborate on EPA community air grants
  • High-emitting vehicle repair grant
  • Apply to host a green chemistry intern
  • EPA adds 1-bromopropane to hazardous air pollutant list
  • EPA adds PFAS chemicals to TRI
  • New PFAS guidance documents from MPCA
  • Minnesota climate action framework released, feedback requested
  • MPCA air quality work in the news
Published: February 08, 2022
  • $1M now available for heavy-duty off-road diesel equipment
  • Second round of MPCA grants for dry cleaning equipment coming soon
  • Air modeling seminar and updates
  • Reminder: Share your climate action ideas and priorities
  • Host a climate conversation
  • For classrooms: A Minnesota-focused Flipgrid activity about climate change
  • Apply for a climate resilience planning grant today
  • You’re invited to stakeholder forums for statewide transportation planning
  • Katrina Kessler appointed commissioner of Minnesota Pollution Control Agency
  • Wood smoke: What you can do
  • Refrigeration management
  • RETAP celebrates 20 years
  • Clean Air Minnesota reports successes
  • State efforts promote health in transportation
  • Great Lakes Commission renews commitment to mercury reduction
  • In the news: PFAS
  • 2022 air emission fees – early estimate
  • Notice of intent to adopt proposed air quality housekeeping rules
  • Control equipment rule guidance online
  • Recent EPA actions
Published: November 09, 2021
  • Air quality alerts and smoke
  • Join the climate conversation
  • Climate Adaptation Plans consider air quality impacts
  • 2021 Virtual MnTAP intern symposium August 18
  • MnDOT releases annual sustainability report
  • MPCA offers another round of school bus grants
  • EPA roundtable on community air grants August 17


  • Hennepin County switches to battery-powered saws
  • “It truly does hold up as well as the gas-powered equipment” in Otsego
  • Timberland Outdoor Services researched the pros and cons


  • Minnesota adopts clean car standards
  • Air quality housekeeping rulemaking

Published: August 16, 2021
  • Backyard fire tips
  • Wildfires and smoke
  • Solar furnaces keep Leech Lake residents warm
  • Join Minnesota GreenCorps
  • MnDOT adopts recommendations to drive down emissions
  • Updated EV dashboard
  • Administrative Law Judge approves Clean Cars rule
  • MnDOT hosts EV planning sessions
  • Let’s Talk Transportation!
  • Highway 252/I‐94 in Brooklyn Park, Brooklyn Center, and North Minneapolis
  • Upcoming climate forums
  • Save the date: Air modeling virtual open house
  • Water Gremlin corrects hazardous waste violations, will pay penalty

Published: May 11, 2021
  • Minnesota’s PFAS Blueprint released
  • Apply to be a Minnesota GreenCorps host site
  • High-emitting vehicle repair program grant
  • Coming soon: MPCA grants for battery-powered landscaping equipment
  • Public comment opportunity for Clean Cars Minnesota
  • Share your transportation story
  • New report available: The air we breathe
  • New data on climate-changing pollution in Minnesota
  • Air permit application tracker revamped
  • Workshop recordings available: building collaborative partnerships
  • EPA will enforce new wood stove sales rules
  • Court decides ACE rule unlawfully adopted
  • Flawed EPA transparency rule struck down

Published: February 10, 2021
  • Online public meeting to discuss proposed Water Gremlin permit amendment December 10
  • 2021 air emission fees – early estimate
  • Reminder: New wood stoves must follow 2020 standards
  • Housekeeping amendments to air quality rules
  • Regulatory flexibility
  • MPCA air modeling manual and seminar
  • Updates from Minnesota’s Climate Change Subcabinet
  • Take a survey and share your climate priorities
  • Focus on metal fabrication at MnTAP
  • MnDOT offers new clean transportation funding
  • MPCA receives overwhelming interest in electric school buses
  • Grants available for emission reductions from refrigerants
  • New MPCA grants support convenient EV charging with clean energy
  • MPCA needs your help reviewing our data tools
  • National air pollution study finds persistent disparities
  • Ozone National Ambient Air Quality Standards
  • How clean is your electricity?
Published: November 16, 2020
  • Potential changes to air toxics reporting
  • Requests for information on TCE usage
  • Vehicle tampering
  • Residential wood stove standards now effective in Minnesota
  • Summer is revving up with more VW settlement grant opportunities!
  • Burning wood in a pandemic: tips for backyard fires
  • 4th of July fireworks bring high air pollution levels across the country
  • Now open! Grants for ethylene oxide emission reductions
  • MPCA’s environmental justice story map now includes air pollution information
  • MPCA awards $1.5M for off-road equipment
  • Learn more about TCE and how to reduce emissions
  • You’re invited to attend the 2020 Virtual MnTAP Intern Symposium!
  • Particulate matter (PM) National Ambient Air Quality Standards
  • Ozone National Ambient Air Quality Standards
  • EPA proposes rule on cost-benefit analyses for air quality rulemaking

Published: August 10, 2020
  • Reminder: Air permit online submission service updates
  • The MPCA is unable to refund application fees
  • Temporary delay for Clean Cars Minnesota rulemaking
  • Get ready for Air Quality Awareness Week 2020!
  • Changes in air quality due to COVID-19 slowdown
  • 2020 marks the 50th Anniversary of the original Clean Air Act
  • Coming soon! MPCA grants for ethylene oxide emission reductions
  • Volkswagen settlement grant funding for 2020-2023
  • Minnesota GreenCorps application coming soon!
  • Updates on Clean Air Minnesota projects
  • American Lung Association's 2020 State of the Air report now available
  • Help available to identify and eliminate TCE
  • Updated: Minnesota electric vehicle dashboard
  • Study on COVID-19 and long-term exposure to air pollution
  • EPA and NHTSA finalize greenhouse gas and fuel economy standards for passenger vehicles
  • EPA finalizes decision that it should not have regulated mercury from coal power plants
  • Particulate matter National Ambient Air Quality Standards review
  • Integrated Science Assessment for ozone NAAQS now available
  • EPA publishes supplemental notice of proposed rulemaking for the 2018 “Strengthening Transparency in Regulatory Science” rule proposal
Published: May 04, 2020
  • Air quality rules are updated to include federal standards
  • Minnesotans share views on Clean Cars proposal
  • 2019 air quality roundup: A unique year of alerts and events in Minnesota
  • Reminder: MPCA 2020 winter air modeling seminar this week
  • Governor Walz establishes a Climate Change Subcabinet and Advisory Council
  • MnDOT announces new Sustainable Transportation Advisory Council
  • MPCA grants for emission reductions from solvents and coatings
  • Grant awards for 124 new, cleaner vehicles
  • Minnesota GreenCorps program now accepting host-site applications
  • MPCA staff participate in Minneapolis Community Connections Conference
  • Grants for community strategies to adapt to climate change
  • New study shows pollution disadvantage in Minnesota communities
  • Coalition group publishes white paper on clean fuels policy in the Midwest
  • Water Gremlin to restart VOC operations under certain conditions
  • EPA begins rulemaking process for Cleaner Trucks Initiative
  • Ships required to use cleaner fuel to reduce air pollution

Published: February 18, 2020
  • Air quality rules are updated to include federal standards
  • MPCA launches Clean Cars Minnesota rulemaking
  • Low-emitting facility general permit will expire
  • Air permit online submission service updates
  • New standards coming for cleaner wood heaters and stoves in Minnesota
  • TCE alternatives identified
  • Register now for the 2019 Minnesota Environmental Congress
  • Updated permitted facility air emissions data tool
  • New report on agricultural best management practices and greenhouse gas emissions
  • State agencies release report on decarbonizing transportation in Minnesota
  • Reminder: Now is a great time to replace older diesel equipment and vehicles!
  • Coming soon! Draft Phase 2 Plan for VW settlement funds
  • New GreenCorps members start work to reduce air pollution around Minnesota

Published: November 06, 2019
  • Air modeling open house and Manual updates
  • New report on air quality and health across Minnesota
  • Record-breaking wildfire smoke returns to Minnesota
  • Clean Air Minnesota embraces new, innovative projects
  • Grant helps St. Louis Park landscape greener
  • Minnesotans continue to burn wood for heat and pleasure
  • 2019 MnTAP Intern Symposium and celebration of 35 years of helping Minnesota businesses
  • Start planning now for upcoming MPCA heavy-duty vehicle and equipment grant opportunities
  • What should Minnesota do with the next phase of VW settlement funds? Tell us what you think!
  • New Air Assessment Seminar Series
  • Get help switching to safer solvents and cleaning systems
  • Final Air Monitoring Network Plan available
  • Minnesota’s governments are planning for a changing climate
  • Water Gremlin update
  • Northern Metals update
  • EPA finalizes new rule to regulate carbon dioxide from coal power plants and replace the Clean Power Plan
  • California and four automobile manufacturers agree to greenhouse gas emission standards for passenger vehicles

Published: August 08, 2019
  • Reminder! Air permit online submission service updates
  • MPCA and Governor Walz celebrate Earth Week
  • Smarter burning for better breathing this spring
  • Volkswagen settlement: upcoming grant opportunities and input on Phase II
  • Connecting with healthcare professionals about air quality
  • Pathways to decarbonizing transportation
  • Reminder! Apply for a grant to reduce air emissions from refrigerant use — due May 15
  • Progress reaching visibility goals in Boundary Waters Canoe Wilderness Area and Voyageurs National Park
  • Another year another ozone season in Minnesota
  • HOURCAR and the Twin Cities to offer all-electric shared vehicle service and public EV charging stations
  • Join Minnesota GreenCorps!
  • No-cost opportunity to identify and implement alternatives to trichloroethylene (TCE) solvent in industrial processes
  • How clean is your electricity?
  • Metro Transit marches towards 2040 with electric vehicles, LEDs, solar, and geothermal
  • Update on Water Gremlin
  • EPA proposes to revise analyses associated with Mercury and Air Toxics Standards for coal power plants
  • EPA proposes to revise greenhouse gas emissions standards for new coal plants
  • American Lung Association releases new report on national air quality
  • New study reveals inequities in consumption add to racial disparities in air pollution exposure

Published: May 09, 2019
  • New e-Service for permit termination requests
  • Apply today: grants for vapor recovery at gasoline dispensing facilities
  • VW settlement grant survey: help us improve the program!
  • An air quality alert trifecta in 2018: ozone, wildfire smoke, and – for the first time in four years – winter stagnation
  • Need help clearing the air? Apply today to host an intern
  • In case you missed it: MPCA releases air and greenhouse gas reports
  • Building environmental partnerships through data
  • MPCA responds to federal regulatory rollbacks
  • Minnesota’s power sector is changing: what does it mean for communities?
  • Apply to be a GreenCorps host site
  • Decarbonizing transportation in the Midcontinent: new report released
  • MPCA welcomes new Assistant Commissioner for Air and Climate Policy
  • Another vehicle manufacturer settles air pollution cheating charges
  • Minnesota high school students call for action on climate
  • EPA proposes revised performance standards for new and modified coal power plants
Published: February 06, 2019
  • MPCA will no longer accept data from TANKS software
  • MPCA considers removing old air permits from its website
  • Happy 15th anniversary to Clean Air Minnesota
  • A busy 2018 air quality alert season: blame it on the wildfires
  • Apply now! New grant to buy electric-powered landscaping equipment
  • New and improved features for MPCA’s air toxics data explorer
  • Latest data added to MPCA’s statewide and county air emissions inventory tool
  • More Volkswagen settlement grant opportunities: Apply today!
  • MPCA’s Clean Diesel Program helps businesses reduce pollution
  • Monitoring and improving air quality in North and Northeast Minneapolis
  • Phillips businesses choosing safer janitorial products
  • Met Council tools help communities plan for resiliency
  • EPA proposes new rule to regulate carbon dioxide from coal power plants and replace the Clean Power Plan
  • EPA is changing scientific advisory panels
  • EPA continues to accept comments on proposal for new greenhouse gas and fuel efficiency standards for cars
  • EPA requests information on the adverse impacts of air quality standards implementation

Published: November 14, 2018
  • Air permit online submission service updates
  • Air quality and climate change vulnerable communities studied in 23 Minnesota cities
  • Update on Volkswagen settlement grant opportunities: Apply today!
  • MPCA Environmental Review has a new website
  • Check out our updated interactive air data tools!
  • Project Green Fleet replaces towboat engines to clean our air
  • New Road Map explores pathways to carbon reductions in the Midcontinent power sector
  • Interns help companies save money and protect the environment
  • Learn how to reduce greenhouse gas emissions from refrigeration
  • MPCA at Owámni Falling Water Festival
  • EPA announces proposal for new greenhouse gas and fuel efficiency standards for cars
  • EPA reverses course on enforcement of “glider truck” rule
  • EPA proposes to keep the federal standards for sulfur dioxide
  • EPA proposes rule on science used for developing regulations
  • EPA proposes rule on economic analyses used for developing regulations
Published: August 09, 2018
  • Beta meteorology air modeling tool goes live
  • Nearby Source Tool updated for modelers
  • Air permit online submission service updates
  • Mercury Reduction Plan submittal form - proposed changes
  • New and improved air quality and health webpages
  • MPCA’s 2018 Pollution Report to the Legislature
  • Air Quality Index current conditions map: Now easy to add to your organization’s website
  • Air quality compared to standards: 2017 results now available
  • Last chance to get 25-50% off water-based parts washers!
  • Apply now for your grant to reduce air pollution!
  • Draft Air Monitoring Network Plan available for comment
  • Wayzata dry cleaner makes the switch for a cleaner environment
  • Stay tuned for upcoming VW settlement funds
  • Latest data now available for Community Air Monitoring Project
  • New report on Minnesota’s voluntary emission reductions
  • Exploring guiding principles for electric vehicles and power sector benefits

Published: May 07, 2018
  • Exempt source and conditionally insignificant activities rulemaking
  • New rulemaking to incorporate federal emission standards by reference
  • Air permitting e-Services updates
  • Reminder to Option D Registration permit holders: Air emissions inventory – Use of control equipment
  • Coming soon: grants to reduce air pollution
  • Air quality forecasting: year in review
  • Apply to be a GreenCorps host site
  • Volkswagen settlement update
  • Community Air Monitoring Project
  • MnTAP 2018 summer intern program application deadline is fast approaching
  • Electric cars charge ahead
  • EPA rescinds “once in, always in” hazardous air pollutants policy
  • MPCA draft PolyMet permits available for comment
  • Clean Power Plan repeal and possible replacement

Published: February 07, 2018
  • Regulatory updates
  • Minnesota’s first electric vehicle charging corridor
  • Save the date: MPCA 2018 winter air modeling, inventory, and monitoring network seminar
  • Mapping areas of concern for environmental justice
  • Statewide air modeling shows sources of pollution in communities
  • Updates on MPCA/MDH “Life and Breath” analysis of the health impacts of air pollution
  • MPCA will soon have $200,000 in grant funds for replacing dirty diesels
  • Switching to cleaner products to reduce neighborhood emissions
  • 2018 Super Bowl: public events and generators
  • Final Volkswagen emissions cheating settlement released
  • EPA designates all of Minnesota “attainment/unclassifiable” for ozone

Published: November 07, 2017
  • Regulatory updates
  • MPCA air quality forecast and alert program launches… and wins an award
  • Using new technology to understand urban air quality
  • PUC raises price tag for “social cost” of emissions
  • Update: Volkswagen settlement in Minnesota
  • Something’s in the air at the Eco Experience
  • Public training! Effectively commenting on permits
  • Traffic and your health – be air aware!
  • MPCA to launch vehicle emission tampering prevention program
  • Energy Fair comes to St. Paul this September
  • Upcoming event: Air quality in northern Minnesota
  • What’s a “nonpoint source” anyway?
  • Final Air Monitoring Network Plan available

Published: August 09, 2017
  • Regulatory updates
  • MPCA opposes bill directing spending from Volkswagen settlement
  • Make your voice heard: How should Minnesota spend its Volkswagen settlement funds?
  • Air Quality Index: Here for you, where you need it, when you need it
  • New aircams to keep an “eye” on weather and air quality
  • See which facilities are acting for clean air in your neighborhood!
  • Participate in a user experience test for the website
  • New web tool lets you explore air emissions data
  • Compact of States and Regions – reporting on climate commitments
  • Updated through 2016: Minnesota air toxics monitoring web app
  • New pilot project will address high-emitting vehicles in low-income communities
  • Air quality in Minneapolis’ Phillips neighborhood
  • Community Air Monitoring Project
  • Check out the MPCA’s new air web pages
  • Updated version of What’s In My Neighborhood now available
  • Apply to join the Minnesota GreenCorps!
Published: May 04, 2017
  • Regulatory updates
  • The MPCA wants your opinion
  • Minnesota’s GHG emissions down but still not expected to meet greenhouse gas goal
  • MPCA will use $47 million VW settlement to clean up diesel pollution – tell us what matters most to you!
  • The air we breathe
  • Funding available for small businesses to reduce emissions!
  • Project Stove Swap
  • 2015 permitted facility air emissions data now available
  • Apply to become a GreenCorps host site!
  • Putting the brakes on hazardous brake cleaner in Duluth and Minneapolis
  • Maintaining your car is good for the environment
  • Update on Northern Metals
  • Metropolitan Council releases list of funded transportation projects
  • Getting kids excited about science and the environment
  • MnDOT releases its long-term transportation plan
Published: February 13, 2017
  • Regulatory updates
  • MPCA offers $400,000 in grant funds to replace older diesel engines
  • Air quality and heart health
  • Three construction companies enroll in Project Green Fleet
  • Summer ozone season wasn’t as bad as feared
  • New web tools allow users to view permitted facility and statewide air emissions data
  • Community Air Monitoring Project
Published: November 14, 2016
  • Regulatory updates
  • Kick gas at the State Fair!
  • Clean Power – Tell us what’s most important to YOU!
  • Climate Solutions and Economic Opportunities in Minnesota
  • New website compares Minnesota air quality to national standards
  • Leech Lake Band leads the way on community solar energy
  • MPCA’s 2016 Pollution Report to the Legislature
  • Minnesota cities make strides on climate change
  • Products for better air quality and a safer work environment
  • Health risks from vehicle pollution greater for certain groups
  • Our Nation’s Air Report
  • MnDOT statewide planning update
Published: August 08, 2016
  • Regulatory updates
  • Preliminary data from neighborhood air monitoring project
  • Clean Power Plan Website Update and Listening Session Survey
  • Where there’s fire there’s smoke … A look ahead to summer
  • Greenhouse gas emissions visualized
  • New web tool allows users to explore number of good or unhealthy air quality days
  • Latest Clean Diesel Grant projects receive $270,000: higher funding amount expected next fall
  • Innovative projects reduce congestion and improve air quality in the Twin Cities
  • REMINDER: VOC grant applications due May 11!
  • North Minneapolis air monitoring confirms elevated metals
  • MPUC considering recommendation on cost of carbon value
  • MnDOT is updating two statewide transportation plans
  • State launches PolyMet web portal
Published: May 02, 2016
  • Regulatory updates
  • Greater Minnesota community listening sessions scheduled for Clean Power Plan
  • Grants help Oscar Auto Body reduce air emissions
  • GreenCorps accepting host-site applications soon
  • New Rapid Health Impact Assessments in Minnesota
  • MnDOT seeking input for statewide transportation planning efforts
  • Check your home for radon
  • MnTAP’s degreasing webinar offers tips on safer products that really work
  • Community Air Monitoring Project now in South St. Anthony Park Community
  • In the news
Published: February 02, 2016
  • Regulatory updates
  • Towboat Becky Sue gets new life
  • MPCA will have $270,000 for Clean Diesel Grants this fall: big, old diesels targeted
  • Become an Air Aware Employer
  • Attainment of the Lead National Ambient Air Quality Standards
  • Air quality advisory event in southern Minnesota
  • Technical assistance, training, and project interns through MnTAP
  • The Great American Smokeout and
  • Community Air Monitoring Project now in Duluth neighborhoods
  • Conference on the Environment
  • In the news
Published: November 03, 2015
  • Regulatory updates
  • BeAirAwareMN - New website helps Minnesotans know what they’re breathing
  • New report on air pollution and public health
  • Clean Air Minnesota reports on two years of projects
  • Collaborative efforts to reduce VOC emissions
  • Available Now: Multilingual Air Quality and Health Videos
  • Environmental Justice Framework
  • Smoke in Minnesota’s skies
  • Learn before you burn!
  • Youth learn about air quality at the MPCA
  • In the news
Published: August 17, 2015
  • Regulatory updates
  • Request for opinions regarding the air permitting webpage
  • Updates to Air Emissions Risk Analysis (AERA)
  • Just released: Minnesota Air Toxics Monitoring web app
  • Trees improve air quality, health, and climate adaptation
  • New financing program for energy efficiency and renewable energy projects
  • Clean Power Plan in Minnesota
  • New website on climate change in Minnesota
  • Air Quality mini-course in St. Paul elementary school
  • Community Air Monitoring Project
  • 2015 Air Quality Awareness Week
Published: May 08, 2015
  • Regulatory updates
  • Air Quality in Minnesota: 2015 Report to the Legislature now available
  • Progress report on reducing Minnesota’s greenhouse gas emissions
  • New near-road monitoring site
  • Community Air Monitoring Project
  • Trainings available through the Minnesota Technical Assistance Program
  • In the news
Published: February 04, 2015
  • Regulatory updates
  • Upcoming event: Keeping Healthy Skies
  • MPCA begins pilot to improve Minneapolis air quality
  • New asthma maps available
  • Opportunities for reducing volatile organic compounds at your business
  • Another successful year for air quality at the State Fair EcoExperience
  • MPCA releases Winona air monitoring report
  • Community Air Monitoring Project update
Published: November 03, 2014
  • Stop by the Eco Experience at the Minnesota State Fair
  • EPA proposes Clean Power Plan to cut carbon pollution
  • Reminder: Small business grants to clear the air – apply soon
  • MPCA awards $200,000 for 11 Clean Diesel projects
  • Update on voluntary efforts to reduce ozone and fine particles
  • Measuring polycyclic aromatic hydrocarbons (PAHs) in air
  • EPA action on Minnesota’s 2008 Lead Infrastructure State Implementation Plan
  • MPCA’s Community Air Monitoring project moves back to Minneapolis for next quarter
  • Regulatory updates
  • In the news
Published: August 06, 2014
  • Sign up for daily air quality forecasts
  • Ozone pollution is up, particulates down in Minnesota
  • $320,000 in small business grants available to reduce VOCs
  • Electric vehicles are charging forward in Minnesota
  • MPCA begins community air monitoring project
  • 2014 Pollution Report to the Legislature released
  • Health and climate video
  • Regulatory updates
  • In the news
Published: May 13, 2014

Past bulletins

The Minnesota Pollution Control Agency is hosting a webinar about the air monitoring component of the draft PFAS Monitoring Plan on November 29 (10 a.m.).

Published: November 18, 2021

The 2020 Air Quality Modeling Open House will be held on July 30 (1 to 4 p.m.). The event will be held remotely due to ongoing public health concerns related to COVID-19. For more information on the event or to RSVP, please contact the MPCA Risk Evaluation & Air Modeling Unit: 651-757-2393 or

Published: June 18, 2020

Change of date: The winter air modeling seminar is Thursday, February 20 (1 to 4:30 p.m.) at MPCA's St. Paul office (520 Lafayette Road North). The meeting will include presentations and discussions on air dispersion modeling and related air quality topics. E-mail to RSVP or propose a specific presentation topic.

Published: January 02, 2020

Deadline is July 31 for comment on proposed changes to the Air Quality Modeling Practices Manual. The proposed 2020 revision is available on the Air Quality Dispersion Modeling working practices and policies webpage. Also, MPCA is hosting the annual air modeling open house on Thursday, July 18, 2019 (1:00pm to 4:00pm).

Published: July 01, 2019

This annual report demonstrates compliance with air monitoring network regulations, describes proposed changes for the upcoming year, and provides specific information on each of Minnesota's existing and proposed air quality monitoring sites. The 2020 plan is available for public review and comment through June 20, 2019.

Published: May 22, 2019
The MPCA’s winter air modeling seminar will be held on January 15, 2019 (1:00 p.m.) at the MPCA's St. Paul office. It is a forum where you can share your issues and ideas with the modeling community. We are soliciting stakeholders to give presentations relating to air modeling, inventory, and monitoring topics. Please send an email to to propose a presentation topic.
Published: December 05, 2018
  • Inspect and offer feedback on the proposed 2019 MPCA Air Quality Dispersion Modeling Practices Manual revisions.
  • Annual MPCA Air Modeling Open House meeting on Thursday, July 12, 2018
Published: June 19, 2018

MPCA grants are now open for projects that will reduce volatile organic compounds (VOC) at a variety of Minnesota-based organizations. Potential projects include switching to water-based or low-VOC solvents, inks, coatings or cleaners, or buying alternative process equipment or vehicles.

Published: April 18, 2018

MPCA is providing a "redline copy" showing proposed changes to the  Air Quality Dispersion Modeling Practices Manual for 2017-2018. Comments received by July 15 will be taken into consideration before the final version of this year’s manual is posted.

Published: June 08, 2017

Review and comment on the 2018 plan through June 23, 2017. This annual report demonstrates compliance with air monitoring network regulations, describes proposed changes for the upcoming year, and provides specific information on each of Minnesota's existing and proposed air quality monitoring sites.

Published: May 18, 2017

This summer the MPCA will be forecasting air quality conditions statewide. As a result, people who may be sensitive to elevated levels of air pollution – including children, the elderly, and those with respiratory problems – can be better prepared to protect their health when conditions are trending toward poor air quality.

Published: March 08, 2017

MPCA has released our biennial report on Minnesota’s air quality: The Air We Breathe: The state of Minnesota’s air quality, 2017. The report shares the status of the state’s air quality and what the MPCA and our partners are doing to continue to make improvements to protect the health of all Minnesotans.

Published: January 03, 2017

The theme for MPCA's 2017 Winter Modeling Seminar (January 12, 2017) will be the Appendix W final guidance and AERMOD updates. We are looking for speakers to present studies on how the changes to Appendix W and new guidance may affect dispersion modeling demonstrations or present ideas on how to implement these changes. Please contact David Brown if you are interested in presenting:

Published: November 29, 2016

MPCA launched a new electronic service that allows air dispersion modeling protocols to now be submitted online, streamlining processes and decreasing data entry. Facilities are not required to use the online service, but MPCA encourages making the transition no later than November 21, 2016.

Published: September 23, 2016

The 2017 Air Monitoring Network Plan for Minnesota is available for public review and comment through July 13, 2016.

Published: June 13, 2016

It's a busy time of year. Don't miss these upcoming deadlines.

  • Public comments to PUC on costs of future CO2 regulation (Jan. 14)
  • Clean diesel grant applications (Jan. 7)
  • Winter air dispersion modeling seminar (Jan. 14)
Published: December 08, 2015

MPCA's annual seminar on air dispersion modeling will be held in January 2016. Learn more about presenting and attending this free event.

Published: November 19, 2015

Info on MPCA's annual seminar held in St. Paul, with details on attending or presenting a topic or idea for this free event. We look forward to seeing you in January!

Published: December 01, 2014

Updates on U.S. EPA's revised National Ambient Air Quality Standard for ground-level ozone, and a violation of the Minnesota standard for Total Suspended Particulate (TSP) in North Minneapolis.

Published: November 26, 2014

MPCA today published notice in the State Register of a proposed revision to the State Implementation Plan (SIP) relating to transportation planning. Comments and requests for a public meeting on the proposed revision are being accepted until 4:30 p.m. on December 15, 2014.

Published: November 10, 2014

The Minnesota Pollution Control Agency plans to publish the Notice of Adoption of the Mercury Air Emissions Reduction and Reporting Rules in the State Register on September 22, 2014.

Published: September 15, 2014

The MPCA collects annual fees, required by the Clean Air Act, to cover the costs of the Act and state air programs. Learn about the estimated per-ton rate for 2015, which will be finalized in January 2015.

Published: September 10, 2014

Details on a stakeholder meeting on the preliminary draft Omnibus Air Rules at the MPCA St. Paul office on September 10, 2014. The meeting will also be available via WebEx for those who cannot attend in person.

Published: September 02, 2014

The Environmental Quality Board (EQB) has released Minnesota and Climate Change: Our Tomorrow Starts Today to start the conversation about how climate change affects the state and what we are doing to address it. The report is designed to engage the public on how climate change impacts how Minnesotans work, live and play.

Published: August 27, 2014

Comments and requests for a public meeting are being accepted regarding a draft progress report on a State Implementation Plan (SIP) revision.

Published: July 28, 2014

During the 2013 legislative session, the Minnesota Legislature directed the Minnesota Pollution Control Agency to amend the definition of two terms used in state air pollution control rules. The public is invited to comment on the proposed amended definition of “potential emissions” and “potential to emit” through July 31, 2014. As authorized by the 2013 legislation, the MPCA is using an abbreviated rulemaking process to adopt this amendment.

Published: July 24, 2014

The Minnesota Pollution Control Agency (MPCA) has completed draft revisions to its current modeling guidance and is providing you with an opportunity to provide input on the proposed revisions.

Published: June 19, 2014

The 2015 Air Monitoring Network Plan for Minnesota is available for public review and comment through July 1, 2014.

Published: June 04, 2014

The MPCA is beginning its deliberations on a state 111(d) plan for Minnesota in response to EPA’s upcoming rules regulating CO2 emissions from power plants. On Thursday, May 22, a webinar sponsored by Center for the Energy and the Environment will allow interested parties to hear how Minnesota might draft a plan, and our interest in considering regional approaches to CO2 reductions.

Published: May 19, 2014

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