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Air Emissions Reporting
Air Emissions Reporting
The federal Clean Air Act requires that each state maintain an inventory of air pollution emissions for certain facilities and update this inventory every year. Michigan's emission inventory is collected annually using the Michigan Air Emissions Reporting System (MAERS).
Each year, approximately 2,000 facilities report emissions to MAERS. Emissions data is submitted to the United States Environmental Protection Agency (USEPA) to be added to the national data bank. This information is used to track air pollution trends, determine the effectiveness of current air pollution control programs, serve as a basis for future year projections of air quality, track source compliance, provide information for permit review, and calculate the emissions portion of the air quality fee.
Coming Soon! MAERS will be changing to MIEnviro Portal. Find more information on MIEnviro Portal for Air.
Contact
InfoMAERS
InfoMAERS@michigan.gov
517-285-6700
Clean Air Assistance Program
EGLE-Assist@michigan.gov
800-662-9278
Update
Important 2022 Reporting Year Information
Annual Emission Fees
Annual Air Quality Fees
Get Started
Getting Started in MAERS
Emission Inventory
Regulations
Resources
Forms
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Electronic Signature Agreement
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MAERS Forms and Instructions
- S-101 Source Form (EQP 5747) - Instructions Download
- S-101 Source Form (EQP 5747) Download
- S-102 Contact Form (EQP 5748) - Instructions Download
- S-102 Contact Form (EQP 5748) Download
- SV-101 Stack Form (EQP 5749) - Instructions Download
- SV-101 Stack Form (EQP 5749) Download
- EU-101 Emission Unit Form (EQP 5750) - Instructions Download
- EU-101 Emission Unit Form (EQP 5750) Download
- RG-101 Reporting Group Form (EQP 5751) - Instructions Download
- RG-101 Reporting Group Form (EQP 5751) Download
- A-101 Activity Form (EQP 5752) - Instructions Download
- A-101 Activity Form (EQP 5752) Download
- E-101 Emissions Form (EQP 5753) - Instructions Download
- E-101 Emissions Form (EQP 5753) Download
- P-101 Preparer Form (EQP 5754) - Instructions Download
- P-101 Preparer Form (EQP 5754) Download
- SB-101 Submit Form (EQP 5755) - Instructions Download
- SB-101 Submit Form (EQP 5755) Download
- SP-101 Supplemental Portable Form (EQP 5760) - Instructions Download
- SP-101 Supplemental Portable Form (EQP 5760) Download
- PPP-101 Primary Preparer Proxy Form (EQP 5804) - Instructions Download
- PPP-101 Primary Preparer Proxy Form (EQP 5804) Download
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Renewable Operating Permit (ROP) Report Certification