OrbisViews

Air quality · Washington, D.C.

Washington Air Quality (AQI) Now

22 Fair
European Air Quality Index
PM2.5
5.7µg/m³WHO limit 15
PM10
5.8µg/m³WHO limit 45
NO₂
11.8µg/m³
O₃
59µg/m³
Desert dust
0µg/m³
UV index
0.0
US AQI
53

Updated: · Source: Copernicus CAMS · Open-Meteo

Air quality in Washington is fair right now: European Air Quality Index 22. Fine particulate matter (PM2.5) is 5.7 µg/m³, below the WHO guideline. Fine for outdoor activities; very sensitive people may reduce prolonged strenuous exercise. Pollution is expected to peak around 21:00 over the next 48 hours (index 40, fair).

Washington 48-hour air quality forecast

03:00: 1603:0004:00: 1505:00: 1506:00: 1507:00: 1608:00: 1609:00: 1809:0010:00: 2011:00: 2212:00: 2313:00: 2414:00: 2415:00: 2415:0016:00: 2417:00: 2418:00: 2219:00: 2020:00: 1921:00: 1821:0022:00: 1923:00: 1900:00: 1901:00: 1902:00: 1903:00: 1903:0004:00: 1905:00: 1906:00: 1807:00: 1708:00: 1809:00: 1809:0010:00: 1911:00: 2112:00: 2313:00: 2614:00: 2815:00: 3015:0016:00: 3017:00: 2918:00: 2419:00: 2920:00: 3621:00: 4021:0022:00: 4023:00: 40

Air quality near Washington

Cleanest to most polluted.

Frequently asked questions

Is Washington polluted today?
Air quality in Washington is fair right now: European Air Quality Index 22. Fine for outdoor activities; very sensitive people may reduce prolonged strenuous exercise.
Is it safe to exercise outdoors in Washington 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 air quality: details

Pollutants and recent days

Nitrogen dioxide (NO₂) is 11.8 µg/m³ and ozone (O₃) 59 µg/m³; WHO guideline values are 25 (24 h) and 100 µg/m³ (8 h).