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Air Quality History for North Chicago, United States

Historical PM2.5 and AQI trend from monitoring stations near North Chicago, United States.

14
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

362h

PM2.5 Station

362h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-10-21 11 2–28 2.8 µg/m³ 3h 1
2026-10-20 30 20–42 7.1 µg/m³ 16h 1
2026-10-19 24 14–43 5.9 µg/m³ 14h 1
2026-10-18 23 15–34 5.6 µg/m³ 19h 1
2026-10-17 22 14–30 5.2 µg/m³ 16h 1
2026-10-16 16 7–22 3.7 µg/m³ 18h 1
2026-10-15 20 17–25 4.7 µg/m³ 19h 1
2026-10-14 10 1–33 2.5 µg/m³ 18h 1
2026-10-13 29 3–59 7.1 µg/m³ 19h 1
2026-10-12 17 4–44 4.1 µg/m³ 24h 1
2026-10-11 44 5–126 13.3 µg/m³ 21h 1
2026-10-10 43 26–153 12.3 µg/m³ 16h 1
2026-10-09 26 16–34 6.3 µg/m³ 18h 1
2026-10-08 29 19–37 6.9 µg/m³ 14h 1
2026-10-07 34 25–43 8.2 µg/m³ 22h 1
2026-10-06 27 15–44 6.5 µg/m³ 19h 1
2026-10-05 23 16–33 5.5 µg/m³ 20h 1
2026-10-04 27 18–34 6.4 µg/m³ 17h 1
2026-10-03 29 6–99 7.4 µg/m³ 19h 1
2026-10-02 22 16–35 5.4 µg/m³ 16h 1
2026-10-01 48 18–59 12.1 µg/m³ 14h 1
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