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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.

31
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

334h

PM2.5 Station

334h · 4 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-05-29 27 19–56 6.4 µg/m³ 23h 227
2026-05-28 29 23–40 6.9 µg/m³ 24h 216
2026-05-27 44 30–59 10.8 µg/m³ 24h 235
2026-05-26 33 27–45 8.0 µg/m³ 24h 235
2026-05-25 49 31–72 13.1 µg/m³ 24h 235
2026-05-24 52 38–59 13.2 µg/m³ 24h 236
2026-05-23 28 21–38 6.7 µg/m³ 24h 233
2026-05-22 24 20–29 5.7 µg/m³ 24h 226
2026-05-21 22 15–40 5.3 µg/m³ 24h 236
2026-05-20 18 15–25 4.4 µg/m³ 24h 235
2026-05-19 25 17–41 6.1 µg/m³ 24h 235
2026-05-18 42 18–52 10.2 µg/m³ 24h 234
2026-05-17 49 31–62 12.6 µg/m³ 24h 235
2026-05-16 35 26–53 8.5 µg/m³ 23h 233
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