Air Quality History for Ashburn, United States
Historical PM2.5 and AQI trend from monitoring stations near Ashburn, United States.
24
Current AQI
Good Station
Good Station
Air Quality Index Station
201hPM2.5 Station
201h · 1 stationTemperature GFS model
80ptPrecipitation GFS model
mm/dayDaily Summary Station
| Date | AQI | Range | PM2.5 avg | PM10 avg | Hours | Stations |
|---|---|---|---|---|---|---|
| 2026-09-05 | 27 | 4–93 | 7.9 µg/m³ | 8.7 | 8h | 1 |
| 2026-09-04 | 3 | 2–6 | 0.8 µg/m³ | 1.3 | 5h | 1 |
| 2026-09-03 | 6 | 3–9 | 1.3 µg/m³ | 1.7 | 9h | 1 |
| 2026-09-02 | 8 | 3–18 | 1.9 µg/m³ | 2.2 | 23h | 1 |
| 2026-09-01 | 12 | 6–30 | 2.9 µg/m³ | 3.2 | 23h | 1 |
| 2026-08-31 | 11 | 1–68 | 2.9 µg/m³ | 3.3 | 19h | 1 |
| 2026-08-30 | 8 | 3–16 | 1.8 µg/m³ | 2.2 | 12h | 1 |
| 2026-08-29 | 11 | 1–46 | 2.5 µg/m³ | 2.1 | 13h | 1 |
| 2026-08-28 | 8 | 3–15 | 1.9 µg/m³ | 2.3 | 9h | 1 |
| 2026-08-27 | 7 | 4–10 | 1.7 µg/m³ | 2.3 | 3h | 1 |
| 2026-08-26 | 10 | 1–27 | 2.3 µg/m³ | 2.7 | 11h | 1 |
| 2026-08-25 | 20 | 2–47 | 4.8 µg/m³ | 6.1 | 9h | 1 |
| 2026-08-24 | 9 | 1–31 | 2.2 µg/m³ | 2.7 | 14h | 1 |
| 2026-08-23 | 14 | 3–28 | 3.0 µg/m³ | 3.7 | 13h | 1 |
| 2026-08-22 | 6 | 1–23 | 1.4 µg/m³ | 1.9 | 8h | 1 |
| 2026-08-21 | 6 | 3–9 | 1.4 µg/m³ | 1.9 | 11h | 1 |
| 2026-08-19 | 4 | 3–4 | 0.8 µg/m³ | 1.5 | 2h | 1 |
| 2026-08-18 | 4 | 3–4 | 0.8 µg/m³ | 1.1 | 2h | 1 |
| 2026-08-17 | 10 | 2–21 | 2.5 µg/m³ | 2.8 | 4h | 1 |
| 2026-08-16 | 6 | 2–14 | 1.5 µg/m³ | 1.8 | 3h | 1 |