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.
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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. Click here to sign up to get them delivered to your inbox, or read the current notices below:
June 08, 2026
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Missoula County alongside the whole state of Montana has declared this week, June 8 to 13, as Wildfire Smoke Ready Week! Wildfire Smoke Ready Week is a week to not only educate about the health…
February 27, 2026
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March is here, and that means outdoor burning opens in Missoula County. The General, Essential Agriculture, and Prescribed Wildland Outdoor Burning Seasons open on Sunday, March 1, 2026 in Missoula…
September 26, 2025
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Wildfire Smoke Air Quality Update: September 26, 2025 at 10:15 a.m.
Air quality is Moderate to Unhealthy for Sensitive Groups across Missoula County due to smoke from Lower Sugarloaf and Labor… Air Quality
301 W. Alder St. Missoula, MT 59802
8 a.m. to 5 p.m., Monday through Friday