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Air Quality History for Chicago Heights, United States

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

18
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

479h

PM2.5 Station

479h · 5 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-06-09 18 16–23 4.4 µg/m³ 9h 210
2026-06-08 44 28–53 10.5 µg/m³ 24h 238
2026-06-07 28 22–38 6.8 µg/m³ 24h 237
2026-06-06 42 28–59 10.3 µg/m³ 24h 227
2026-06-05 52 45–56 12.7 µg/m³ 24h 237
2026-06-04 40 28–48 9.6 µg/m³ 24h 238
2026-06-03 28 24–34 6.6 µg/m³ 24h 238
2026-06-02 23 21–26 5.6 µg/m³ 24h 239
2026-06-01 24 21–35 5.9 µg/m³ 24h 211
2026-05-31 24 20–29 5.7 µg/m³ 24h 239
2026-05-30 41 19–65 10.5 µg/m³ 24h 239
2026-05-29 26 19–32 6.2 µg/m³ 24h 238
2026-05-28 28 22–40 6.8 µg/m³ 24h 219
2026-05-27 44 30–59 10.7 µg/m³ 24h 237
2026-05-26 33 26–44 8.0 µg/m³ 24h 237
2026-05-25 49 31–72 13.0 µg/m³ 24h 237
2026-05-24 52 38–59 13.1 µg/m³ 24h 238
2026-05-23 28 21–38 6.7 µg/m³ 24h 235
2026-05-22 24 20–29 5.7 µg/m³ 24h 229
2026-05-21 22 15–40 5.3 µg/m³ 24h 237
2026-05-20 16 16–17 4.0 µg/m³ 14h 238
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