Air Quality History for Northbrook, United States
Historical PM2.5 and AQI trend from monitoring stations near Northbrook, United States.
38
Current AQI
Good Station
Good Station
Air Quality Index Station
277hPM2.5 Station
277h · 1 stationTemperature GFS model
80ptPrecipitation GFS model
mm/dayDaily Summary Station
| Date | AQI | Range | PM2.5 avg | PM10 avg | Hours | Stations |
|---|---|---|---|---|---|---|
| 2026-09-05 | 24 | 4–93 | 7.1 µg/m³ | 7.9 | 9h | 1 |
| 2026-09-04 | 3 | 2–6 | 0.8 µg/m³ | 1.3 | 5h | 1 |
| 2026-09-03 | 6 | 3–9 | 1.3 µg/m³ | 1.7 | 9h | 1 |
| 2026-09-02 | 8 | 3–18 | 1.9 µg/m³ | 2.2 | 23h | 1 |
| 2026-09-01 | 22 | 3–79 | 5.8 µg/m³ | 6.5 | 23h | 1 |
| 2026-08-31 | 11 | 1–74 | 2.9 µg/m³ | 3.4 | 19h | 1 |
| 2026-08-30 | 7 | 1–16 | 1.7 µg/m³ | 2.1 | 22h | 1 |
| 2026-08-29 | 54 | 11–100 | 16.0 µg/m³ | 16.5 | 24h | 2 |
| 2026-08-28 | 22 | 11–37 | 5.4 µg/m³ | 5.7 | 20h | 1 |
| 2026-08-27 | 7 | 4–10 | 1.7 µg/m³ | 2.0 | 3h | 1 |
| 2026-08-26 | 26 | 5–57 | 6.4 µg/m³ | 6.9 | 24h | 1 |
| 2026-08-25 | 19 | 2–47 | 4.6 µg/m³ | 5.3 | 23h | 1 |
| 2026-08-24 | 13 | 3–37 | 3.2 µg/m³ | 3.6 | 18h | 2 |
| 2026-08-23 | 24 | 4–55 | 5.4 µg/m³ | 6.4 | 14h | 2 |
| 2026-08-22 | 6 | 1–23 | 1.3 µg/m³ | 1.7 | 11h | 1 |
| 2026-08-21 | 6 | 3–9 | 1.3 µg/m³ | 1.8 | 12h | 1 |
| 2026-08-20 | 15 | 10–26 | 3.7 µg/m³ | 4.1 | 8h | 1 |
| 2026-08-19 | 4 | 3–4 | 0.8 µg/m³ | 1.5 | 2h | 1 |
| 2026-08-18 | 4 | 3–4 | 0.8 µg/m³ | 1.1 | 2h | 1 |
| 2026-08-17 | 9 | 2–15 | 2.1 µg/m³ | 2.4 | 4h | 1 |
| 2026-08-16 | 8 | 3–14 | 2.0 µg/m³ | 2.3 | 2h | 1 |