9
Good · Dominant pollutant: Ozone (O₃)
Air quality is satisfactory; air pollution poses little or no risk.
The current Air Quality Index (AQI) in Washington DC is 9, categorized as Good. Air quality is satisfactory; air pollution poses little or no risk.
Pollutants & conditions
| Measurement | Value |
|---|
| PM2.5 | 35 |
| PM10 | 16 |
| Ozone (O₃) | 8.6 |
| Nitrogen Dioxide (NO₂) | 3.4 |
| Sulfur Dioxide (SO₂) | 0.5 |
| Carbon Monoxide (CO) | 0.1 |
| Temperature (°C) | 18 |
| Humidity (%) | 67 |
| Pressure (hPa) | 1021.3 |
| Wind (m/s) | 5.6 |
| Wind Gust (m/s) | 10.8 |
| Dew Point (°C) | 12 |
PM2.5 forecast
| Date | Avg | Min | Max |
|---|
| 2026-05-19 | 44 | 35 | 60 |
| 2026-05-20 | 41 | 10 | 52 |
| 2026-05-21 | 22 | 11 | 35 |
| 2026-05-22 | 10 | 7 | 21 |
| 2026-05-23 | 9 | 7 | 12 |
Nearby cities
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