Washington, D.C. air quality · District of Columbia, United States
Healthy air supports better stamina during outdoor workouts
US AQI 42 (Good) in Washington, D.C., from 1 AirNow monitoring station. Main pollutant: PM2.5.
Updated
Pollutants in Washington, D.C.
- PM2.542AQI
- Ozone10AQI
- NO₂19AQI
- PM108AQI
US values are per-pollutant AQI from the highest-reading monitor near Washington, D.C. (RIVER_Terrace).
Is it safe outside in Washington, D.C. right now?
Air quality is satisfactory and poses little or no risk.
Walking and commuting
Go aheadEnjoy it.
Running and jogging
Go aheadA great time to run outdoors.
Cycling
Go aheadRide freely.
Children playing outside
Go aheadNo limits.
Older adults and heart or lung conditions
Go aheadNo limits.
Open windows
Go aheadAir out your home.
Mask outdoors
Not neededNot needed.
Air purifier indoors
Not neededNot needed.
Based on the US EPA Air Quality Guide, applied to the current US AQI category. If you have symptoms, follow your doctor's advice.
What US AQI 0–50 means for your health →
Washington, D.C. air quality history
Daily average, 36 days- 38average daily US AQI over 36 days
- 59worst day, 2 October
- 22cleanest day, 28 September
- 0days at Unhealthy or worse
The last 7 days averaged 41, about the same as the week before (41). 31 of the last 36 days were Good.
Weather in Washington, D.C.
No active National Weather Service alerts for Washington, D.C..
| Day | Forecast | High | Low | Rain |
|---|---|---|---|---|
| Mon 19 | Sunny | 66°F | 48°F | 0% |
| Tue 20 | Sunny | 70°F | 48°F | 0% |
| Wed 21 | Sunny | 64°F | 45°F | 1% |
| Thu 22 | Sunny | 66°F | 48°F | 0% |
| Fri 23 | Sunny | 63°F | 43°F | 0% |
| Sat 24 | Sunny | 63°F | 43°F | 0% |
| Sun 25 | Sunny | 64°F | 46°F | 0% |
National Weather Service forecast. All US weather alerts →
Nearby cities
US rankingRelated reading
NewsNor'easter hits the Outer Banks: Hatteras visitors ordered out, NC 12 expected to close, 2 to 4 feet of flooding
ExplainersFirst freeze of the season: what a freeze warning, freeze watch and frost advisory mean this weekend
NewsSanta Ana winds: Norte Fire forces 16,000 from homes as red flag warnings, heat and power shutoffs run through Saturday
Washington, D.C. air quality: common questions
What is the AQI in Washington, D.C. right now?
The US AQI in Washington, D.C. is 42 (Good). The main pollutant is PM2.5.
Is it safe to go outside in Washington, D.C. today?
A great time to be outside. Air quality is satisfactory and poses little or no risk. For runners: A great time to run outdoors.
How has air quality in Washington, D.C. been recently?
Over the last 36 days with data, Washington, D.C. averaged US AQI 38. The worst day was 2 October at 59; the cleanest was 28 September at 22. 0 days were at Unhealthy or worse.
Where does Washington, D.C.'s air quality data come from?
From US EPA AirNow, using 1 monitoring station in and around the city. Good Air does not estimate or adjust these readings.
Source: US EPA AirNow. Readings are published by the monitoring agency and may be revised.