Air Quality History for Lake Forest, United States
Historical PM2.5 and AQI trend from monitoring stations near Lake Forest, United States.
41
Current AQI
Good Station
Good Station
Air Quality Index Station
140hPM2.5 Station
140h · 1 stationTemperature GFS model
56ptPrecipitation GFS model
mm/dayDaily Summary Station
| Date | AQI | Range | PM2.5 avg | PM10 avg | Hours | Stations |
|---|---|---|---|---|---|---|
| 2026-09-01 | 40 | 2–100 | 12.0 µg/m³ | 13.6 | 11h | 1 |
| 2026-08-31 | 28 | 4–77 | 8.8 µg/m³ | 9.7 | 3h | 1 |
| 2026-08-30 | 7 | 1–14 | 1.7 µg/m³ | 2.0 | 14h | 1 |
| 2026-08-29 | 59 | 15–100 | 18.1 µg/m³ | 19.1 | 24h | 1 |
| 2026-08-28 | 24 | 13–37 | 5.8 µg/m³ | 6.0 | 20h | 1 |
| 2026-08-27 | 4 | 4–4 | 1.0 µg/m³ | 1.0 | 1h | 1 |
| 2026-08-26 | 31 | 5–66 | 7.7 µg/m³ | 8.3 | 23h | 1 |
| 2026-08-25 | 18 | 2–29 | 4.3 µg/m³ | 4.7 | 16h | 1 |
| 2026-08-24 | 16 | 3–41 | 3.8 µg/m³ | 4.2 | 18h | 1 |
| 2026-08-23 | 35 | 4–63 | 9.0 µg/m³ | 10.5 | 10h | 1 |