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)
50 
Good
Health Message: None
Air Quality Index (AQI)
33 
Good
Health Message: None
AQI - Pollutant Details
Particles (PM2.5)
50 
Good
Particles (PM2.5)
33 
Good
Forecast Discussion: Good air quality continues through Saturday due to active weather and strong winds. Winds are initially weak on Maundy Thursday morning and a few areas could be in Moderate air quality temporarily, but southerly winds will cause strong mixing and continued Good air quality for the daily average. Southerly winds continue on Good Friday and usher in rain, keeping Good air quality in the forecast. Behind a strong cold front early on Saturday, clean air on strong northwesterly winds keeps Good air quality in the region. - MDE

Current Conditions
Air Quality Index (AQI)
observed at 5:00 EDT
44
Good
Health Message: None
AQI - Pollutant Details
Particles (PM2.5) 44 Good
Ozone 26 Good
Particles (PM10) 10 Good

Past Air Quality Maps and Data
Yesterday's Maps and Data
Air Quality Maps Archives (by region)

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