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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.

27
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

478h

PM2.5 Station

478h · 5 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-09-06 32 26–38 7.6 µg/m³ 19h 223
2026-09-05 40 22–56 9.9 µg/m³ 24h 235
2026-09-04 46 29–54 11.1 µg/m³ 24h 235
2026-09-03 46 31–58 11.4 µg/m³ 24h 236
2026-09-02 56 54–59 14.6 µg/m³ 24h 236
2026-09-01 57 44–62 14.8 µg/m³ 24h 226
2026-08-31 54 48–59 13.7 µg/m³ 24h 236
2026-08-30 48 42–57 11.6 µg/m³ 24h 236
2026-08-29 57 45–68 15.3 µg/m³ 24h 236
2026-08-28 47 37–55 11.5 µg/m³ 24h 236
2026-08-27 43 39–52 10.5 µg/m³ 24h 237
2026-08-26 45 35–55 11.0 µg/m³ 24h 237
2026-08-25 35 25–46 8.4 µg/m³ 24h 238
2026-08-24 46 23–61 12.1 µg/m³ 24h 237
2026-08-23 52 36–88 14.4 µg/m³ 24h 238
2026-08-22 43 36–54 10.3 µg/m³ 24h 231
2026-08-21 55 45–62 14.3 µg/m³ 24h 231
2026-08-20 45 31–55 10.9 µg/m³ 24h 228
2026-08-19 32 19–38 7.7 µg/m³ 24h 221
2026-08-18 31 20–43 7.5 µg/m³ 24h 212
2026-08-17 21 19–23 5.0 µg/m³ 3h 156
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