Air Quality History for Oak Forest, United States
Historical PM2.5 and AQI trend from monitoring stations near Oak Forest, United States.
55
Current AQI
Moderate Station
Moderate Station
Air Quality Index Station
333hPM2.5 Station
333h · 281 stationsTemperature GFS model
56ptPrecipitation GFS model
mm/dayDaily Summary Station
| Date | AQI | Range | PM2.5 avg | PM10 avg | Hours | Stations |
|---|---|---|---|---|---|---|
| 2026-10-21 | 52 | 52–52 | 12.7 µg/m³ | 22.1 | 1h | 281 |
| 2026-10-20 | 51 | 25–70 | 13.4 µg/m³ | 1.1 | 24h | 247 |
| 2026-10-19 | 28 | 22–41 | 6.7 µg/m³ | 3.4 | 24h | 281 |
| 2026-10-18 | 23 | 17–35 | 5.5 µg/m³ | — | 24h | 259 |
| 2026-10-17 | 16 | 13–23 | 3.9 µg/m³ | 4.5 | 24h | 281 |
| 2026-10-16 | 19 | 11–40 | 4.6 µg/m³ | 1.1 | 24h | 269 |
| 2026-10-15 | 24 | 14–41 | 5.7 µg/m³ | 1.6 | 24h | 281 |
| 2026-10-14 | 39 | 18–54 | 9.4 µg/m³ | 2.4 | 24h | 281 |
| 2026-10-13 | 34 | 25–50 | 8.2 µg/m³ | 1.4 | 24h | 280 |
| 2026-10-12 | 42 | 32–55 | 10.2 µg/m³ | 2.0 | 24h | 281 |
| 2026-10-11 | 31 | 28–37 | 7.5 µg/m³ | — | 24h | 281 |
| 2026-10-10 | 29 | 25–40 | 7.0 µg/m³ | — | 24h | 244 |
| 2026-10-09 | 33 | 24–45 | 7.9 µg/m³ | 2.1 | 24h | 249 |
| 2026-10-08 | 26 | 20–35 | 6.2 µg/m³ | — | 24h | 271 |
| 2026-10-07 | 27 | 23–35 | 6.6 µg/m³ | 3.2 | 20h | 258 |