Northern Virginia
 
  • AQI Loop
  • AQI
  • Ozone AQI
  • PM AQI
AQI Animation - http://files.airnowtech.org/airnow/2013/20130714/anim_aqi_va_wv_md_de_dc.gif
 
Legend: National Parks/Monuments National Parks/Monuments
Peak AQI - http://files.airnowtech.org/airnow/2013/20130714/peak_aqi_va_wv_md_de_dc.jpg
 
Legend: National Parks/Monuments National Parks/Monuments
Peak Ozone (8-hour) - http://files.airnowtech.org/airnow/2013/20130714/peak_o3_va_wv_md_de_dc.jpg
 
Legend: National Parks/Monuments National Parks/Monuments
Peak Particles PM<sub>2.5</sub> (24-hour) - http://files.airnowtech.org/airnow/2013/20130714/peak_pm25_va_wv_md_de_dc.jpg
 
Legend: National Parks/Monuments National Parks/Monuments
 
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
Amador County Air Pollution Control District | American Lung Association (ALA) of California | Antelope Valley Air Quality Management District | BAAQMD Spare the Air 2002 | Bay Area Air Quality Management District (BAAQMD) | Butte County Air Pollution Control District | California Air Resources Board (CARB) | California Environmental Protection Agency | California Environmental Protection Agency - Contact Us | Colusa County Air Pollution Control District | El Dorado County Air Quality Management District | Feather River Air Quality Management District | Glenn County Air Pollution Control District | Kern County Air Pollution Control District | Mendocino County Air Quality Management District | Mojave Desert Air Quality Management District | Monterey Bay Unified Air Pollution Control District | North Coast Unified Air Quality Management District | Northern Sierra Air Quality Management District | Placer County Air Pollution Control District | Sacramento Metro Air Quality Management District | Sacramento Metropolitan Air Quality Management District | San Diego County Air Pollution Control District | San Joaquin Valley Air Pollution Control District | San Luis Obispo County Air Pollution Control District | Santa Barbara County Air Pollution Control District | Shasta County Air Quality Management District | South Coast Air Quality Management District | Ventura County Air Pollution Control District | Yolo-Solano Air Quality Management District
 
State Air Quality Resources
Antelope Valley Air Quality Management District
Bay Area Air Quality Management District
California Air Resources Board
Imperial County Air Pollution Control District
Mendocino County Air Quality Management District
Mojave Desert Air Quality Management District
Monterey Bay Unified Air Pollution Control District
Placer County Air Pollution Control District
Sacramento Metropolitan Air Quality Management District
San Diego County Air Pollution Control District
San Joaquin Valley Air Pollution Control District
San Luis Obispo County Air Pollution Control District
Santa Barbara County Air Pollution Control District
South Coast Air Quality Management District
Ventura County Air Pollution Control District
Yolo-Solano Air Quality Management District
Daily AQI
Sunday, July 14, 2013
Particles PM2.5
48 
Good
Particles PM10
14 
Good
Ozone
71 
Good
select another date to see data and maps:
Note: data are available beginning August 1, 2010.

Other Information
Current Conditions and Forecasts
Air Quality Maps Archives (by region)