330 21st St NE, Washington, DC 20002 Air Quality

Monitoring Station · H Street NE, United States
21
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
25 7pm
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27 10pm
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27 1am
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27 4am
27
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25 7am
25
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Air Quality Forecast (24h)

PM2.55.1 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

34
Friendship Blow Pierce
0.4 km PM2.5: 8.1 µg/m³
37
Kingman Island - Heritage Island Bridge
0.7 km PM2.5: 8.8 µg/m³
40
Lincoln Park NW
1.3 km PM2.5: 9.6 µg/m³
44
Friendship Chamberlain
1.9 km PM2.5: 10.6 µg/m³
43
Other Half Brewing
2.3 km PM2.5: 10.4 µg/m³
38
Cesar Chavez
2.4 km PM2.5: 9.2 µg/m³
40
Friendship Collegiate
2.5 km PM2.5: 9.6 µg/m³
25
4300 C St SE, Washington, DC 20019
2.6 km PM2.5: 5.9 µg/m³

Nearby Cities

38 H Street NE 38 Capitol Hill 38 NoMa 38 Capitol Riverfront 38 Northwest One 39 Mount Vernon Triangle 39 Downtown DC 40 Southwest Waterfront 39 Shaw

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-21T22:01 UTC.