Air Quality in Downtown DC, United States

Clear
32.9°C · 46.9% humidity
32.9°
Feels 36.7°
36
Good
Air quality is satisfactory. Enjoy outdoor activities.
23 stations

Nearby Monitoring Stations

AQI Forecast
27 10am
27
25
36 1pm
33
31
29 4pm
28
27
28 7pm
35
55
55 10pm
54
34
27 1am
27
27
25 4am
25
25
25 7am
25
27
AD 728×90

Air Quality Index Trend

45h · 27 stn

Downtown DC's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

46.9%
Humidity
32.4 km/h
Wind NW
1016.3 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
36
8.67 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Downtown DC?

Temperature & Precipitation

PM2.5 Trend

45h · 27 stations
PM2.58.67 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX5.9
High
AD 300×250
Station readings (23 stations within 25 km)
8.67
Median
7.98
Average
5.61
Low
10.26
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -2.4

What is the 7-day forecast for Downtown DC?

09-05
32.9° 18.0°
6.88 mm
09-06
25.2° 20.4°
3.31 mm
09-07
23.4° 18.9°
09-08
28.5° 19.3°
0.38 mm
09-09
27.5° 17.3°
0.19 mm
09-10
28.8° 18.4°
8.31 mm
09-11
35.2° 17.0°
Both models agree Avg diff: 3.8°C

Where are air quality stations near Downtown DC?

39
400 Virginia Ave SW
1.0 km PM2.5: 9.3 µg/m³
36
Center City Shaw Campus
1.6 km PM2.5: 8.6 µg/m³
34
St John's Church
1.6 km PM2.5: 8.2 µg/m³
36
Aslin
2.5 km PM2.5: 8.6 µg/m³
34
Lincoln Park NW
2.6 km PM2.5: 8.1 µg/m³
35
GW Milken Institute School of Public Health
2.9 km PM2.5: 8.5 µg/m³
33
224 V St. NE
3.1 km PM2.5: 7.9 µg/m³
34
Friendship Blow Pierce
3.8 km PM2.5: 8.1 µg/m³
33
Lee Montessori Brookland
4.2 km PM2.5: 8.0 µg/m³
43
Taste Makers Food Hall
4.3 km PM2.5: 10.3 µg/m³

What cities are near Downtown DC?

35 Mount Vernon Triangle 35 Northwest One 35 Washington 38 Southwest Waterfront 35 NoMa 35 Capitol Hill 36 Shaw 35 H Street NE 35 Capitol Riverfront 35 Golden Triangle
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T17:25 UTC.