Today's Air Quality Conditions

Health Effect Category based on  PM2.5 Concentration


Based on the EPA NowCast Averaging Method

For 8:00 AM MDT to 9:00 AM MDT on 8/15/2018

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

Each dot on the map represents an air monitoring station, click on a dot for station specific data. The color of the dot is determined by the current local air quality and comparison to the health effects category table.



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
Data 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.

Data Unavailable

Air quality data for the current hour are unavailable.





*This application was developed in collaboration with Helena High School Students for the Governor’s Mobile App Challenge.