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Air Quality History for Lemont, United States

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

75
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

478h

PM2.5 Station

478h · 279 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-10-21 65 52–76 18.6 µg/m³ 3.9 12h 280
2026-10-20 52 32–71 13.5 µg/m³ 1.1 24h 246
2026-10-19 28 22–40 6.7 µg/m³ 3.4 24h 279
2026-10-18 22 13–35 5.4 µg/m³ — 24h 256
2026-10-17 16 13–23 3.9 µg/m³ 4.5 24h 278
2026-10-16 19 11–40 4.6 µg/m³ 1.1 24h 267
2026-10-15 24 14–41 5.7 µg/m³ 1.6 24h 279
2026-10-14 39 18–54 9.4 µg/m³ 2.4 24h 279
2026-10-13 34 26–50 8.2 µg/m³ 1.4 24h 278
2026-10-12 42 32–55 10.3 µg/m³ 2.0 24h 278
2026-10-11 32 28–37 7.6 µg/m³ — 24h 279
2026-10-10 29 25–40 7.0 µg/m³ — 24h 242
2026-10-09 33 24–45 8.0 µg/m³ 2.1 24h 247
2026-10-08 26 20–35 6.2 µg/m³ — 24h 269
2026-10-07 27 23–31 6.4 µg/m³ 3.2 24h 258
2026-10-06 25 20–34 5.9 µg/m³ — 24h 258
2026-10-05 28 18–36 6.7 µg/m³ 9.2 24h 270
2026-10-04 25 19–35 5.9 µg/m³ 24.6 24h 249
2026-10-03 20 15–25 4.9 µg/m³ — 24h 262
2026-10-02 16 13–18 3.8 µg/m³ — 24h 270
2026-10-01 52 22–60 13.7 µg/m³ 1.4 10h 271
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