What is the air quality in Downtown DC today?

The current Air Quality Index (AQI) in Downtown DC is 40 (Good). PM2.5 concentration is 9.6 µg/m³.

What is the temperature in Downtown DC right now?

The current temperature in Downtown DC is 30.1°C (feels like 30.1°C). Humidity is 39.2% and wind speed is 38.3 km/h.

Is it safe to go outside in Downtown DC?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 10.9 (Extreme).

Air Quality in Downtown DC, United States

Clear

30.1°C · 39.2% humidity

30.1°

Feels 30.1°

Good

Air quality is satisfactory. Enjoy outdoor activities.

28 stations

Nearby Monitoring Stations

AQI Forecast

25 1pm

40 4pm

32 7pm

29 10pm

28 1am

25 4am

—

— 7am

—

— 10am

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Air Quality Index Trend

48h · 1 stn

View full history →

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.

39.2%

Humidity

38.3 km/h

Wind NNE

1013.1 hPa

Pressure

10.9

UV Extreme

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

9.6 µg/m³

PM10

27.45 µg/m³

050100150200300500

What is the weather forecast for Downtown DC?

Temperature & Precipitation

PM2.5 Trend

48h · 1 station

PM2.59.6 µg/m³ ✓ WHO

Good

PM1027.45 µg/m³

Good

UV INDEX10.9

Extreme

Station readings (28 stations within 25 km)

9.6

Median

8.91

Average

6.13

Low

12.1

High

PM2.5 µg/m³ · Model: 16.8 · Bias: +7.2

What is the 7-day forecast for Downtown DC?

07-21

30.1° 22.4°

0.69 mm

07-22

30.8° 22.9°

07-23

28.9° 19.8°

4.63 mm

07-24

27.7° 20.6°

0.25 mm

07-25

27.6° 20.7°

2.94 mm

07-26

28.0° 21.1°

5.31 mm

07-27

25.9° 22.8°

0.06 mm

Both models agree Avg diff: 3.5°C

Where are air quality stations near Downtown DC?

901 G St NW

0.7 km PM2.5: 12.9 µg/m³

400 Virginia Ave SW

1.0 km PM2.5: 10.3 µg/m³

Center City Shaw Campus

1.6 km PM2.5: 9.6 µg/m³

Southwest Library

1.7 km PM2.5: 11.6 µg/m³

"2000 Half St SW, Washington Matthew Henson Earth Conservation Center"

2.5 km PM2.5: 15.1 µg/m³

Aslin

2.5 km PM2.5: 9.5 µg/m³

Lincoln Park NW

2.6 km PM2.5: 10.0 µg/m³

GW Milken Institute School of Public Health

2.9 km PM2.5: 9.6 µg/m³

224 V St. NE

3.1 km PM2.5: 8.8 µg/m³

Savannah Terrace SE

3.2 km PM2.5: 7.4 µg/m³

What cities are near Downtown DC?

39 Mount Vernon Triangle 39 Northwest One 39 Washington 41 Southwest Waterfront 39 NoMa 40 Capitol Hill 39 Shaw 40 H Street NE 40 Capitol Riverfront 40 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 2026-07-21T20:45 UTC.