Air Quality History for La Crescenta-Montrose, United States
Historical PM2.5 and AQI trend from monitoring stations near La Crescenta-Montrose, 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 | 37 | 21–55 | 8.9 µg/m³ | 10.1 | 14h | 1 |
| 2026-06-08 | 40 | 29–55 | 9.6 µg/m³ | 10.5 | 24h | 1 |
| 2026-06-07 | 37 | 21–53 | 9.0 µg/m³ | 10.1 | 24h | 1 |
| 2026-06-06 | 55 | 27–68 | 14.6 µg/m³ | 16.4 | 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 | 46 | 27–76 | 11.6 µg/m³ | 13.3 | 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 | 12–42 | 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 | 53 | 19–74 | 14.5 µg/m³ | 15.9 | 22h | 1 |
| 2026-05-21 | 51 | 25–76 | 13.3 µg/m³ | 14.9 | 24h | 1 |
| 2026-05-20 | 82 | 46–119 | 26.7 µg/m³ | 29.5 | 10h | 1 |