Air Quality History for Lake Forest, United States
Historical PM2.5 and AQI trend from monitoring stations near Lake Forest, United States.
21
Current AQI
Good Station
Good Station
Air Quality Index Station
139hPM2.5 Station
139h · 1 stationTemperature GFS model
80ptPrecipitation GFS model
mm/dayDaily Summary Station
| Date | AQI | Range | PM2.5 avg | PM10 avg | Hours | Stations |
|---|---|---|---|---|---|---|
| 2026-05-30 | 4 | 4–4 | 1.0 µg/m³ | 1.0 | 1h | 1 |
| 2026-05-29 | 6 | 5–7 | 1.0 µg/m³ | 1.4 | 3h | 1 |
| 2026-05-28 | 9 | 2–18 | 2.2 µg/m³ | 2.3 | 8h | 1 |
| 2026-05-27 | 36 | 4–66 | 9.4 µg/m³ | 10.2 | 19h | 1 |
| 2026-05-26 | 15 | 4–29 | 3.6 µg/m³ | 3.8 | 16h | 1 |
| 2026-05-25 | 37 | 2–75 | 10.0 µg/m³ | 10.3 | 22h | 1 |
| 2026-05-24 | 7 | 4–10 | 1.7 µg/m³ | 1.7 | 6h | 1 |
| 2026-05-23 | 4 | 3–5 | 1.0 µg/m³ | 1.2 | 2h | 1 |
| 2026-05-18 | 9 | 4–25 | 2.3 µg/m³ | 2.4 | 20h | 1 |
| 2026-05-17 | 16 | 4–56 | 3.9 µg/m³ | 4.0 | 20h | 1 |
| 2026-05-16 | 11 | 3–23 | 2.5 µg/m³ | 2.7 | 19h | 1 |
| 2026-05-15 | 4 | 4–4 | 1.0 µg/m³ | 1.0 | 1h | 1 |
| 2026-05-10 | 4 | 4–4 | 1.0 µg/m³ | 1.0 | 2h | 1 |