Air quality · United States
Washington, D.C. Air Quality (AQI) Now
40
Fair
European Air Quality Index
European Air Quality Index
- PM2.5
- 15.3µg/m³WHO limit 15
- PM10
- 15.9µg/m³WHO limit 45
- NO₂
- 24.9µg/m³
- O₃
- 86µg/m³
- Desert dust
- 0µg/m³
- UV index
- 0.0
- US AQI
- 83
Updated: · Source: Copernicus CAMS · Open-Meteo
Air quality in Washington, D.C. is fair right now: European Air Quality Index 40. Fine particulate matter (PM2.5) is 15.3 µg/m³, 1.0 times the WHO 24-hour guideline. Fine for outdoor activities; very sensitive people may reduce prolonged strenuous exercise. Pollution is expected to peak around 15:00 over the next 48 hours (index 61, poor).
Washington, D.C. 48-hour air quality forecast
Air quality across Washington, D.C.
Cleanest to most polluted.
Frequently asked questions
- Is Washington, D.C. polluted today?
- Air quality in Washington, D.C. is fair right now: European Air Quality Index 40. Fine for outdoor activities; very sensitive people may reduce prolonged strenuous exercise.
- Is it safe to exercise outdoors in Washington, D.C. today?
- Yes, air quality is fair right now; fine for outdoor exercise.
- How is the air quality index calculated?
- The European Air Quality Index is set by the worst of PM2.5, PM10, nitrogen dioxide, ozone and sulphur dioxide: 0–20 good, 20–40 fair, 40–60 moderate, 60–80 poor, 80–100 very poor, above 100 extremely poor.
Values are Copernicus Atmosphere Monitoring Service (CAMS) model forecasts and may differ from local monitoring stations.
Washington, D.C. air quality: details
Pollutants and recent days
Nitrogen dioxide (NO₂) is 24.9 µg/m³ and ozone (O₃) 86 µg/m³; WHO guideline values are 25 (24 h) and 100 µg/m³ (8 h).