Air Quality History for Walnut, United States
Historical PM2.5 and AQI trend from monitoring stations near Walnut, United States.
38
Current AQI
Good Station
Good Station
Air Quality Index Station
449hPM2.5 Station
449h · 1 stationTemperature GFS model
80ptPrecipitation GFS model
mm/dayDaily Summary Station
| Date | AQI | Range | PM2.5 avg | PM10 avg | Hours | Stations |
|---|---|---|---|---|---|---|
| 2026-06-09 | 30 | 21–38 | 7.3 µg/m³ | 8.8 | 9h | 1 |
| 2026-06-08 | 40 | 29–55 | 9.6 µg/m³ | 10.5 | 24h | 1 |
| 2026-06-07 | 38 | 21–53 | 9.1 µg/m³ | 10.2 | 24h | 1 |
| 2026-06-06 | 57 | 42–68 | 15.0 µg/m³ | 16.9 | 24h | 1 |
| 2026-06-05 | 81 | 57–99 | 26.2 µg/m³ | 28.9 | 24h | 1 |
| 2026-06-04 | 64 | 38–80 | 18.4 µg/m³ | 20.0 | 24h | 1 |
| 2026-06-03 | 56 | 21–76 | 16.1 µg/m³ | 17.5 | 24h | 1 |
| 2026-06-02 | 58 | 38–72 | 15.8 µg/m³ | 17.5 | 24h | 1 |
| 2026-06-01 | 47 | 29–76 | 12.0 µg/m³ | 13.6 | 21h | 1 |
| 2026-05-31 | 38 | 17–57 | 9.1 µg/m³ | 9.7 | 24h | 1 |
| 2026-05-30 | 10 | 4–38 | 2.4 µg/m³ | 2.9 | 20h | 1 |
| 2026-05-29 | 5 | 4–8 | 1.2 µg/m³ | 1.4 | 12h | 1 |
| 2026-05-28 | 6 | 4–17 | 1.4 µg/m³ | 1.6 | 16h | 1 |
| 2026-05-27 | 8 | 4–17 | 2.0 µg/m³ | 2.7 | 22h | 1 |
| 2026-05-26 | 17 | 8–25 | 4.1 µg/m³ | 4.8 | 24h | 1 |
| 2026-05-25 | 23 | 13–42 | 5.5 µg/m³ | 6.1 | 24h | 1 |
| 2026-05-24 | 52 | 33–70 | 13.7 µg/m³ | 14.6 | 24h | 1 |
| 2026-05-23 | 56 | 33–80 | 14.8 µg/m³ | 16.5 | 24h | 1 |
| 2026-05-22 | 54 | 25–74 | 15.0 µg/m³ | 16.4 | 22h | 1 |
| 2026-05-21 | 51 | 25–76 | 13.3 µg/m³ | 14.9 | 24h | 1 |
| 2026-05-20 | 78 | 46–119 | 25.1 µg/m³ | 27.2 | 15h | 1 |