Air Quality History for The Dalles, United States
Historical PM2.5 and AQI trend from monitoring stations near The Dalles, United States.
68
Current AQI
Moderate Station
Moderate Station
Air Quality Index Station
405hPM2.5 Station
405h · 1 stationTemperature GFS model
79ptPrecipitation GFS model
mm/dayDaily Summary Station
| Date | AQI | Range | PM2.5 avg | Hours | Stations |
|---|---|---|---|---|---|
| 2026-07-22 | 57 | 57–57 | 15.1 µg/m³ | 1h | 1 |
| 2026-07-21 | 52 | 25–84 | 14.5 µg/m³ | 22h | 1 |
| 2026-07-20 | 21 | 15–25 | 5.0 µg/m³ | 24h | 1 |
| 2026-07-19 | 19 | 15–23 | 4.4 µg/m³ | 24h | 1 |
| 2026-07-18 | 16 | 8–24 | 3.8 µg/m³ | 24h | 1 |
| 2026-07-17 | 21 | 7–30 | 5.0 µg/m³ | 24h | 1 |
| 2026-07-16 | 24 | 18–30 | 5.9 µg/m³ | 20h | 1 |
| 2026-07-15 | 15 | 7–25 | 3.5 µg/m³ | 24h | 1 |
| 2026-07-14 | 8 | 5–11 | 1.8 µg/m³ | 24h | 1 |
| 2026-07-13 | 5 | 3–7 | 1.1 µg/m³ | 24h | 1 |
| 2026-07-12 | 4 | 2–6 | 1.0 µg/m³ | 24h | 1 |
| 2026-07-11 | 7 | 3–12 | 1.6 µg/m³ | 24h | 1 |
| 2026-07-10 | 11 | 6–17 | 2.7 µg/m³ | 24h | 1 |
| 2026-07-09 | 9 | 5–11 | 2.1 µg/m³ | 14h | 1 |
| 2026-07-08 | 8 | 5–17 | 2.0 µg/m³ | 11h | 1 |
| 2026-07-07 | 37 | 34–42 | 8.8 µg/m³ | 8h | 1 |
| 2026-07-06 | 26 | 20–33 | 6.4 µg/m³ | 8h | 1 |
| 2026-07-05 | 34 | 3–96 | 9.6 µg/m³ | 24h | 1 |
| 2026-07-04 | 7 | 2–14 | 1.7 µg/m³ | 24h | 1 |
| 2026-07-03 | 6 | 3–10 | 1.4 µg/m³ | 24h | 1 |
| 2026-07-02 | 11 | 7–19 | 2.5 µg/m³ | 9h | 1 |