Air Quality Alert issued August 10 at 7:30AM MDT by NWS Great Falls MT
AQAMT
The Montana Department of Environmental Quality has issued an air
quality alert for Beaverhead, Broadwater, Deer Lodge, Flathead,
Gallatin, Granite, Jefferson, Lake, Lewis and Clark, Lincoln,
Madison, Mineral, Missoula, Park, Powell, Ravalli, Silver Bow, Sweet
Grass, Sanders, Yellowstone counties in effect until 9AM on
08/11/2026
An Air Quality Alert means that particulates have been trending
upwards and that an exceedance of the 24 hour National Ambient Air
Quality Standard (NAAQS) has occurred or may occur in the near
future.
Elevated particulate levels from wildfire smoke
As of 7AM on 08/10/2026, particulate levels in Columbia Falls,
Frenchtown, Libby and Missoula are Unhealthy.
As of 7AM on 08/10/2026, particulate levels in Billings, Dillon,
Great Falls, Helena and Thompson Falls are Unhealthy for Sensitive
Groups.
As of 7AM on 08/10/2026, particulate levels in Butte, Cut Bank,
Hamilton, Lewistown and Sleeping Giant are Moderate.
When air quality is Unhealthy... State and local health officials
recommend that people with respiratory or heart disease, the elderly,
and children should avoid prolonged exertion; everyone else should
limit prolonged exertion.
When air quality is Unhealthy for Sensitive Groups... State and local
health officials recommend that people with respiratory or heart
disease, the elderly and children should limit prolonged exertion.
When air quality is Moderate... State and local health officials
recommend that unusually sensitive people should consider reducing
prolonged or heavy exertion.
For more information visit the Montana Department of Environmental
Quality at http://todaysair.mtdeq.us
Varoitus voimassa ma klo 16:30 - ti klo 18:00
