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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

478h

PM2.5 Station

478h · 7 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-05-29 26 19–42 6.3 µg/m³ 24h 229
2026-05-28 29 22–42 6.8 µg/m³ 24h 218
2026-05-27 44 30–59 10.7 µg/m³ 24h 237
2026-05-26 33 27–45 8.0 µg/m³ 24h 236
2026-05-25 49 31–72 13.0 µg/m³ 24h 237
2026-05-24 52 38–58 13.1 µg/m³ 24h 237
2026-05-23 28 21–38 6.7 µg/m³ 24h 236
2026-05-22 24 20–29 5.7 µg/m³ 24h 228
2026-05-21 22 15–40 5.3 µg/m³ 24h 237
2026-05-20 18 16–25 4.4 µg/m³ 24h 237
2026-05-19 25 17–40 6.1 µg/m³ 24h 236
2026-05-18 42 17–52 10.2 µg/m³ 24h 235
2026-05-17 49 31–62 12.6 µg/m³ 24h 236
2026-05-16 35 27–53 8.4 µg/m³ 24h 235
2026-05-15 26 23–35 6.3 µg/m³ 24h 237
2026-05-14 26 19–41 6.3 µg/m³ 24h 238
2026-05-13 25 21–30 6.0 µg/m³ 24h 237
2026-05-12 24 16–31 5.6 µg/m³ 24h 237
2026-05-11 27 17–43 6.5 µg/m³ 24h 237
2026-05-10 26 18–48 6.2 µg/m³ 22h 237
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