Air Quality History for Chicago Loop, United States
Historical PM2.5 and AQI trend from monitoring stations near Chicago Loop, United States.
26
Current AQI
Good Station
Good Station
Air Quality Index Station
188hPM2.5 Station
188h · 1 stationTemperature GFS model
80ptPrecipitation GFS model
mm/dayDaily Summary Station
| Date | AQI | Range | PM2.5 avg | PM10 avg | Hours | Stations |
|---|---|---|---|---|---|---|
| 2026-08-07 | 8 | 3–18 | 2.0 µg/m³ | 2.4 | 8h | 1 |
| 2026-08-06 | 11 | 4–25 | 2.7 µg/m³ | 2.9 | 15h | 1 |
| 2026-08-05 | 13 | 2–37 | 3.2 µg/m³ | 3.6 | 14h | 1 |
| 2026-08-04 | 10 | 3–20 | 2.4 µg/m³ | 2.7 | 8h | 1 |
| 2026-08-03 | 2 | 2–2 | 0.5 µg/m³ | 1.5 | 1h | 1 |
| 2026-08-02 | 5 | 1–11 | 1.1 µg/m³ | 1.7 | 15h | 1 |
| 2026-08-01 | 4 | 1–8 | 1.0 µg/m³ | 1.4 | 13h | 1 |
| 2026-07-31 | 10 | 1–35 | 2.2 µg/m³ | 1.4 | 12h | 2 |
| 2026-07-30 | 4 | 4–4 | 1.0 µg/m³ | 2.0 | 1h | 1 |
| 2026-07-28 | 14 | 2–40 | 3.3 µg/m³ | 3.9 | 11h | 1 |
| 2026-07-27 | 13 | 3–33 | 3.0 µg/m³ | 3.2 | 14h | 1 |
| 2026-07-26 | 25 | 3–56 | 6.2 µg/m³ | 7.0 | 14h | 1 |
| 2026-07-25 | 21 | 21–21 | 5.1 µg/m³ | 5.2 | 1h | 1 |
| 2026-07-21 | 33 | 3–99 | 9.8 µg/m³ | 11.6 | 18h | 1 |
| 2026-07-20 | 51 | 23–96 | 14.2 µg/m³ | 16.4 | 24h | 1 |
| 2026-07-19 | 39 | 14–85 | 10.9 µg/m³ | 11.9 | 19h | 1 |