Metropolitan Washington
 
Data courtesy of:
 

 
AQI: Good (0 - 50) AQI: Moderate (51 - 100) AQI: Unhealthy for Sensitive Groups (101 - 150) AQI: Unhealthy (151 - 200) AQI: Very Unhealthy (201 - 300) AQI: Hazardous(301 - 500) Action DayAction Day
 
Local Air Quality Resources
Action Day Programs | Forecast
 
State Air Quality Resources
American Lung Association (ALA) of the District of Columbia
District Department of the Environment
District Dept. of the Environment - Contacts
District of Columbia - Emergency Management Agency - Air Quality Indexes
Metropolitan Washington Council of Governments - Air Quality Information
Air Quality Forecast
Today's High Tomorrow's High
Air Quality Index (AQI)
25 
Good
Health Message: None
Air Quality Index (AQI)
33 
Good
Health Message: None
AQI - Pollutant Details
Particles (PM2.5)
25 
Good
Particles (PM2.5)
33 
Good
Forecast Discussion: Good air quality is expected to continue for the next several days. A weak low pressure system is forecast to develop off our coast overnight Monday into Tuesday. Some light to moderate precipitation along with great vertical mixing will keep fine particle concentrations low. As the low pressure system pushes off to our north and east on Wednesday, brisk northwest winds will keep AQI values Low. -MDE

Current Conditions
Air Quality Index (AQI)
observed at 19:00 EST
41
Good
Health Message: None
Note: Values above 500 are considered Beyond the AQI. Follow recommendations for the Hazardous category. Additional information on reducing exposure to extremely high levels of particle pollution is available here.
AQI - Pollutant Details
Particles (PM2.5) 41 Good
Ozone 28 Good

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Air Quality Maps Archives (by region)

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