Air Quality History for Brea, United States
Historical PM2.5 and AQI trend from monitoring stations near Brea, United States.
24
Current AQI
Good Station
Good Station
Air Quality Index Station
307hPM2.5 Station
307h · 1 stationTemperature GFS model
56ptPrecipitation GFS model
mm/dayDaily Summary Station
| Date | AQI | Range | PM2.5 avg | PM10 avg | Hours | Stations |
|---|---|---|---|---|---|---|
| 2026-06-09 | 27 | 21–33 | 6.6 µg/m³ | 7.6 | 5h | 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 | 18 | 13–25 | 4.3 µg/m³ | 4.9 | 19h | 1 |