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Report: Total National Reported Clean Air Act Compliance-Monitoring Activities Decreased Slightly During Coronavirus Pandemic, but State Activities Varied Widely

Report #22-E-0008, November 17, 2021

Compliance-monitoring activities are important to ensure that facilities comply with applicable Clean Air Act requirements and air regulations to protect human health and the environment and deter violations that result in excess emissions.

Report Materials

  • Report at a Glance (pdf) (294.57 KB)
  • Full Report (pdf) (1.45 MB)

This report relates to: Project #OE-FY21-0065

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The EPA's Office of Inspector General is a part of the EPA, although Congress provides our funding separate from the agency, to ensure our independence. We were created pursuant to the Inspector General Act of 1978, as amended.

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Environmental Protection Agency  |  Office of Inspector General
1200 Pennsylvania Avenue, N.W. (2410T)  |  Washington, DC 20460  |  202-566-2391
OIG Hotline: 1-888-546-8740.

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Last updated on October 20, 2025
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