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Air Quality Forecast

The Department of Environmental Protection's Bureau of Air Quality established this site to inform the general public of current air quality concentrations and expected air quality concentrations for the upcoming 24 hours. Air quality forecasts are scheduled to be updated by 3:00 pm weekdays and other times as necessary. Air Quality forecasts are also available on the Bureau's Air Quality Hotline at (800) 223-1196.

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Today's Forecast: Sep 8, 2008

Region Ozone Particle
Northern Good Good
Western Mtns Good Good
Western Interior Good Good
Eastern Interior Good Good
Southwest Coast Good Good
Mid-Coast Good Good
Downeast Good Good
High Elevation Good Good
View Legend

Ozone

Map displaying today's Ozone forecast conditions

Particle Pollution

Map displaying today's Particle Pollution forecast conditions

Forecast Details: Issued Friday, September 5 at 2:08 PM: Monday's Air Quality Forecast for Ozone and Particle Pollution is GOOD statewide. -- WEBSTER

View today's current data

Tomorrow's Forecast: Sep 9, 2008

Region Ozone Particle
Northern Good Good
Western Mtns Good Good
Western Interior Good Good
Eastern Interior Good Good
Southwest Coast Good Good
Mid-Coast Good Good
Downeast Good Good
High Elevation Good Good
View Legend

Ozone

Map displaying tomorrow's Ozone forecast conditions

Particle Pollution

Map displaying tomorrow's Particle Pollution forecast conditions

Forecast Details: Issued Friday, September 5 at 2:08 PM: Tuesday's Air Quality Forecast for Ozone and Particle Pollution is TENTATIVELY GOOD statewide. THIS FORECAST WILL BE UPDATED BY 3 PM MONDAY. -- WEBSTER

Forecast Legend
Air Quality Descriptor Air Quality Index Health Effects
Good 0-50 No Health impacts are expected when air quality is in this range.
Moderate 51-100 Sensitive people should consider limiting prolonged outdoor exertion.
Unhealthy for Sensitive Groups 101-150 Active children and adults, and people with respitory or heart disease, including asthma, should limit prolonged outdoor exertion.
Unhealthy 151-200 Active children and adults, and people with respitory or heart disease, including asthma, should avoid prolonged outdoor exertion, everyone else, especially children, should limit prolonged outdoor exertion.
Very Unhealthy 201-300 Active children and adults, and people with respitory or heart disease, including asthma, should avoid all outdoor exertion, everyone else, especially children, should limit outdoor exertion.

View more information about Air Quality Index and Health Effects.

Questions about forecasts or air quality data?
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