Air Quality History for The Dalles, United States
Historical PM2.5 and AQI trend from monitoring stations near The Dalles, United States.
20
Current AQI
Good Station
Good Station
Air Quality Index Station
468hPM2.5 Station
468h · 1 stationTemperature GFS model
80ptPrecipitation GFS model
mm/dayDaily Summary Station
| Date | AQI | Range | PM2.5 avg | Hours | Stations |
|---|---|---|---|---|---|
| 2026-09-05 | 10 | 8–12 | 2.5 µg/m³ | 17h | 1 |
| 2026-09-04 | 15 | 10–20 | 3.6 µg/m³ | 24h | 1 |
| 2026-09-03 | 15 | 8–20 | 3.6 µg/m³ | 24h | 1 |
| 2026-09-02 | 10 | 5–21 | 2.4 µg/m³ | 22h | 1 |
| 2026-09-01 | 34 | 15–79 | 9.0 µg/m³ | 19h | 1 |
| 2026-08-31 | 19 | 10–27 | 4.6 µg/m³ | 24h | 1 |
| 2026-08-30 | 18 | 8–36 | 4.3 µg/m³ | 24h | 1 |
| 2026-08-29 | 12 | 3–28 | 2.9 µg/m³ | 24h | 1 |
| 2026-08-28 | 18 | 3–54 | 4.3 µg/m³ | 24h | 1 |
| 2026-08-27 | 4 | 3–11 | 1.0 µg/m³ | 24h | 1 |
| 2026-08-26 | 23 | 7–95 | 6.3 µg/m³ | 24h | 1 |
| 2026-08-25 | 57 | 30–73 | 15.5 µg/m³ | 24h | 1 |
| 2026-08-24 | 25 | 6–57 | 6.1 µg/m³ | 24h | 1 |
| 2026-08-23 | 7 | 2–17 | 1.7 µg/m³ | 24h | 1 |
| 2026-08-22 | 38 | 14–63 | 9.5 µg/m³ | 24h | 1 |
| 2026-08-21 | 69 | 51–137 | 20.5 µg/m³ | 24h | 1 |
| 2026-08-20 | 57 | 34–143 | 15.6 µg/m³ | 22h | 1 |
| 2026-08-19 | 59 | 51–70 | 15.6 µg/m³ | 24h | 1 |
| 2026-08-18 | 53 | 35–66 | 13.7 µg/m³ | 22h | 1 |
| 2026-08-17 | 50 | 29–81 | 13.0 µg/m³ | 24h | 1 |
| 2026-08-16 | 47 | 41–54 | 11.5 µg/m³ | 6h | 1 |