Air Quality History for Denver, United States
Historical PM2.5 and AQI trend from monitoring stations near Denver, United States.
51
Current AQI
Moderate Station
Moderate Station
Air Quality Index Station
233hPM2.5 Station
233h · 1 stationTemperature GFS model
80ptPrecipitation GFS model
mm/dayDaily Summary Station
| Date | AQI | Range | PM2.5 avg | PM10 avg | Hours | Stations |
|---|---|---|---|---|---|---|
| 2026-08-08 | 28 | 23–41 | 6.7 µg/m³ | 7.3 | 6h | 1 |
| 2026-08-07 | 27 | 10–53 | 6.4 µg/m³ | 7.1 | 24h | 1 |
| 2026-08-06 | 36 | 6–94 | 9.5 µg/m³ | 10.4 | 24h | 1 |
| 2026-08-05 | 61 | 8–93 | 19.1 µg/m³ | 20.5 | 24h | 1 |
| 2026-08-04 | 72 | 31–99 | 22.6 µg/m³ | 25.0 | 24h | 1 |
| 2026-08-03 | 24 | 1–58 | 5.8 µg/m³ | 6.1 | 20h | 1 |
| 2026-08-02 | 9 | 1–30 | 2.1 µg/m³ | 2.3 | 17h | 1 |
| 2026-08-01 | 43 | 3–75 | 11.8 µg/m³ | 12.5 | 23h | 1 |
| 2026-07-31 | 10 | 1–28 | 2.3 µg/m³ | 2.5 | 13h | 1 |
| 2026-07-30 | 6 | 4–10 | 1.4 µg/m³ | 1.7 | 5h | 1 |
| 2026-07-29 | 9 | 4–20 | 1.9 µg/m³ | 2.1 | 8h | 1 |
| 2026-07-28 | 6 | 1–13 | 1.4 µg/m³ | 1.7 | 6h | 1 |
| 2026-07-27 | 12 | 4–20 | 3.0 µg/m³ | 3.5 | 3h | 1 |
| 2026-07-26 | 56 | 56–56 | 14.5 µg/m³ | 16.2 | 1h | 1 |
| 2026-07-25 | 27 | 5–43 | 6.5 µg/m³ | 7.4 | 5h | 1 |
| 2026-07-24 | 2 | 1–2 | 0.4 µg/m³ | 1.4 | 2h | 1 |
| 2026-07-23 | 44 | 14–77 | 12.2 µg/m³ | 13.6 | 4h | 1 |
| 2026-07-22 | 16 | 6–28 | 3.9 µg/m³ | 4.4 | 5h | 1 |
| 2026-07-21 | 26 | 5–69 | 6.9 µg/m³ | 7.4 | 14h | 1 |
| 2026-07-20 | 7 | 3–17 | 1.7 µg/m³ | 2.0 | 4h | 1 |
| 2026-07-19 | 99 | 99–99 | 35.1 µg/m³ | 42.9 | 1h | 1 |