Air Quality History for Littleton, United States
Historical PM2.5 and AQI trend from monitoring stations near Littleton, United States.
51
Current AQI
Moderate Station
Moderate Station
Air Quality Index Station
229hPM2.5 Station
229h · 1 stationTemperature GFS model
80ptPrecipitation GFS model
mm/dayDaily Summary Station
| Date | AQI | Range | PM2.5 avg | PM10 avg | Hours | Stations |
|---|---|---|---|---|---|---|
| 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 | 65 | 5–99 | 22.7 µg/m³ | 27.0 | 3h | 1 |