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
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. Click here to sign up to get them delivered to your inbox, or read the current notices below:
August 05, 2026
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The current air quality across Missoula County is Moderate with some sensors reading Unhealthy for Sensitive Groups. See current air quality conditions at Fire.AirNow.Gov.
A northwesterly wind is…
August 04, 2026
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The current air quality across Missoula County is Moderate to Unhealthy for Sensitive Groups. See current air quality conditions at Fire.AirNow.Gov.
Smoke conditions have improved from yesterday…
August 03, 2026
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The current air quality across Missoula County is Unhealthy for everyone. Some areas are experiencing Very Unhealthy. See current air quality conditions at Fire.AirNow.Gov.
Throughout yesterday,…
August 02, 2026
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The current air quality across Missoula County is Moderate.See current air quality conditions at Fire.AirNow.Gov.
Transport winds are now blowing from the west/northwest, as a ridge of high pressure…
August 01, 2026
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The current air quality across Missoula County ranges from Moderate to Unhealthy for Sensitive Groups. The Rattlesnake neighborhood experienced several hours of air quality that was Unhealthy for…