The highest AQ index in District Of Columbia (as of 5:00 EST) is currently the Northern Virginia/DC area. Particle Pollution (PM2.5) is measuring at 43 (Good). This means air quality is satisfactory, and air pollution poses little or no risk.
Over the next few days, the highest Particle Pollution (PM2.5) will be in the Northern Virginia/DC area. It is forecasted to be Good, meaning air quality is satisfactory, and air pollution poses little or no risk.
| Range | 0 - 50 | 51 - 100 | 101 - 150 | 151 - 200 | 201 - 300 | 301 - 500 |
| Color | ||||||
| Category | Good | Moderate | Unhealthy for Sensitive Groups | Unhealthy | Very Unhealthy | Hazardous |
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Below is a list of counties in District Of Columbia. Click on any county below and you'll get a list of cities where we provide AQ index forecasts.
| District Of Columbia |