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Wildfire smoke continues to affect air quality across Montana

Air quality in Montana (Sunday, July 25, 2021)
Posted at 4:39 PM, Jul 25, 2021
and last updated 2021-07-25 18:39:41-04

GREAT FALLS — Air quality continues to suffer in many areas across Montana, according to the state Department of Environmental Quality.

The decreased air quality is due in part to wildfire smoke blowing into Montana from other western states, along with numerous wildfires across Montana.

As of Sunday morning (July 25), UNHEALTHY air quality levels are being reported in and around Thompson Falls in northwestern Montana.

UNHEALTHY FOR SENSITIVE GROUPS levels are being reported in many locations, including Great Falls, Havre, Cut Bank, Missoula, and Hamilton.

Most other areas across the state are currently listed at MODERATE levels of air quality, including Lewistown, Billings, Malta, and Bozeman.

Here is an explanation from MT DEQ about the different categories:

  • HAZARDOUS: All children and adults should avoid or limit all outdoor exertion
  • VERY UNHEALTHY: Active children and adults, and people with respiratory disease, such as asthma, should avoid all outdoor exertion; everyone else, especially children, should limit outdoor exertion
  • UNHEALTHY: Active children and adults, and people with respiratory disease, such as asthma, should avoid prolonged outdoor exertion; everyone else, especially children, should limit prolonged outdoor exertion
  • UNHEALTHY FOR SENSITIVE GROUPS: Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion
  • MODERATE: Unusually sensitive people should consider limiting prolonged outdoor exertion

When air quality is UNHEALTHY, people with heart or lung disease, smokers, children, and the elderly should limit heavy or prolonged exertion and limit time spent outdoors. People with asthma should follow their asthma management plan. People experiencing symptoms of heart or lung disease associated with smoke exposure should contact their healthcare provider.

When air quality is UNHEALTHY FOR SENSITIVE GROUPS, people with heart or lung disease, children and the elderly should limit prolonged outdoor exertion. Anyone experiencing symptoms of heart or lung disease associated with smoke exposure should contact their health care provider.

Click here to visit the MT DEQ air quality site for more information.