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Today's Air Quality Conditions

Current AQ and Forecast


Health Effects Category by Air Monitoring Station

Based on Average Measured Concentrations of Particulate Matter 2.5

As Of Hour Ending 2:00 AM MDT on 8/4/2015
Today's Air Quality Conditions

Health Effects Based on Average Measured Concentration of PM 2.5 As Of Hour Ending 2:00 AM MDT on 8/4/2015

Billings Air Quality is Good.Birney Air Quality is Current Hour Unavailable.Bozeman Air Quality is Good.Broadus Air Quality is Good.Butte Air Quality is Moderate.Flathead Valley Air Quality is Unhealthy for Sensitive Groups.Frenchtown Air Quality is Unhealthy for Sensitive Groups.Great Falls Air Quality is Good.Hamilton Air Quality is Unhealthy for Sensitive Groups.Helena Air Quality is Moderate.Lewistown Air Quality is Good.Libby Air Quality is Unhealthy.Malta Air Quality is Good.Missoula Air Quality is Unhealthy for Sensitive Groups.Seeley Lake Air Quality is Good.Sidney Air Quality is Good.West Yellowstone Air Quality is Good.


Health Effects Categories


Air quality data for the current hour are unavailable.
No health impacts are expected when air quality is in this range.
Unusually sensitive people should consider limiting prolonged outdoor exertion.
Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion.
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.
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.
All children and adults should avoid or limit all outdoor exertion.
Hazardous
Very Unhealthy
Unhealthy
Unhealthy for Sensitive Groups
Moderate
Good
Current Hour Unavailable

 

Explanation of Categories: Breakpoints and Associated Visibility for Particulate Concentrations.


Health Effects Categories

Hazardous

Recommendation: All children and adults should avoid or limit all outdoor exertion.

Very Unhealthy

Recommendation: 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

Recommendation: 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

Recommendation: Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion.

Moderate

Recommendation: Unusually sensitive people should consider limiting prolonged outdoor exertion.

Good

Recommendation: No health impacts are expected when air quality is in this range.

Current Hour Unavailable

Air quality data for the current hour are unavailable.





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