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The MPCA's air monitors continually measure pollutants. With this data, the agency can track pollution trends over time and show if outdoor air meets air quality standards and health benchmarks.

Air quality dispersion modeling uses a computer model to estimate air pollution concentrations from regulated facilities and other sources of pollution.

The kind of permit a facility needs depends on how much air pollution the facility could emit based on its equipment or processes.

Forecast discussion

The MPCA is planning new rules governing air quality. The main purpose is to adopt new rules to implement and govern regulation of facilities that emit air toxics.

Recent air permits issued by the MPCA can be found in What's in My Neighborhood. The tool does not currently include all previously issued air emissions permits. All air emissions permits issued by…

Tools to help small businesses determine if they need an air emissions permit and/or track compliance with their current air emissions permit.

Important details to help make your e-Service submittal go as smoothly as possible.

Important details to help make your e-Service administrative submittal go as smoothly as possible.

Completed rulemaking for changes to reporting requirements for hazardous air pollutants (HAPs).

Air pollution levels in Minnesota have steadily decreased over the past few decades and currently meet federal standards. But even levels that meet or are below these standards can affect people’s…

Air quality map of current conditions in Minnesota.

Forms and guidance for recordkeeping, submittal, and reporting for air permits.

The MPCA has a mobile air monitoring program that allows the agency to respond faster to community air quality concerns across the state. The mobile air monitor collects data in areas where permanent…

Any facility that emits air pollutants above certain levels is required to have an air quality permit.

Understanding small-scale differences in air pollution is important for minimizing exposure to harmful air pollutants, particularly for vulnerable communities.

This webpage will not only address potential noncompliance issues for air permittees, but it will help inspectors get all of the necessary information to facilities with one link.

The MPCA provides additional guidance on air permitting and regulation requirements: New source review – Obtain a permit before beginning construction on new major-emitting industrial facilities…

Part 70 Reissuance application formsStarting July 1, 2020, Individual permit holders must use MPCA's e-Services to apply for air permit reissuance.Paper reissuance applications will only be accepted…

Determine if your facility requires an air permit and, if so, which permit type may be the best fit for your business.