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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.

30
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

335h

PM2.5 Station

335h · 6 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-22 26 21–33 6.3 µg/m³ 3h 160
2026-07-21 63 32–98 18.4 µg/m³ 24h 228
2026-07-20 98 58–106 34.1 µg/m³ 24h 219
2026-07-19 112 87–159 40.9 µg/m³ 24h 228
2026-07-18 50 33–87 12.9 µg/m³ 24h 230
2026-07-17 232 67–361 177.9 µg/m³ 24h 241
2026-07-16 155 53–322 99.8 µg/m³ 24h 224
2026-07-15 59 52–168 16.9 µg/m³ 24h 233
2026-07-14 61 41–67 16.8 µg/m³ 24h 228
2026-07-13 62 38–68 17.4 µg/m³ 24h 232
2026-07-12 51 35–57 12.6 µg/m³ 24h 221
2026-07-11 38 30–44 9.1 µg/m³ 24h 184
2026-07-10 35 25–48 8.3 µg/m³ 24h 223
2026-07-09 51 27–53 12.3 µg/m³ 24h 234
2026-07-08 57 52–63 14.7 µg/m³ 20h 244
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