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Air

July 1, 2026

All outdoor burning seasons are closed. 

The Air Quality Program at Missoula Public Health monitors air quality and regulates outdoor air pollution. Air quality sources include industry, outdoor burning, unpaved roads, and solid fuel burning devices such as wood stoves and fireplaces.

Air Quality

(406) 258-4755

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301 W. Alder St. Missoula, MT 59802

8 a.m. to 5 p.m., Monday through Friday

Did you know?
The Missoula Valley is the largest urban area in the United States surrounded by the Rocky Mountains. Because of the topography, winter temperature inversions that trap pollution near the valley floor are common, which can lead to poor air quality.

Air Quality Updates

MPH air quality specialists send out periodic updates on air quality during the summer wildfire season.