Clean Air Progress Reports

For more than​ 20 years, Maryland's air quality has improved. Maryland is in compliance with federal air quality standards for four​​​ of the six criteria pollutants​: carbon monoxide, lead, nitrogen dioxide, and particulate matter. Maryland is continuing efforts to comply with the federal standards for ozone and sulfur dioxide.​​​​​

Clean air matters to Maryland, our neighboring states and the Chesapeake Bay, and that is why we are committed to a course of air quality improvements.

The full screen 2022 ​Clean Air Progress Report is avail​able here​.

​​The full screen 2021 Clean Air Progress Report is available here.​​​​​

 Earlier Clean Air Progress Reports


Human Trafficking GET HELP

National Human Trafficking Hotline - 24/7 Confidential

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Customer Service Promise

The State of Maryland pledges to provide constituents, businesses, customers, and stakeholders with friendly and courteous, timely and responsive, accurate and consistent, accessible and convenient, and truthful and transparent services.

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Help Stop Fraud in State Government

The Maryland General Assembly’s Office of Legislative Audits operates a toll-free fraud hotline to receive allegations of fraud and/or abuse of State government resources. Information reported to the hotline in the past has helped to eliminate certain fraudulent activities and protect State resources.

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