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Air Quality History for Elgin, United States

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

38
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

478h

PM2.5 Station

478h · 139 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-10-20 54 31–72 14.5 µg/m³ — 22h 120
2026-10-19 28 22–42 6.7 µg/m³ — 24h 139
2026-10-18 24 18–38 5.6 µg/m³ — 24h 128
2026-10-17 16 13–24 4.0 µg/m³ — 24h 138
2026-10-16 18 10–36 4.4 µg/m³ — 24h 132
2026-10-15 24 14–41 5.8 µg/m³ — 24h 139
2026-10-14 39 19–53 9.3 µg/m³ 1.5 24h 139
2026-10-13 34 25–49 8.2 µg/m³ 6.6 24h 139
2026-10-12 43 32–55 10.3 µg/m³ 4.0 24h 140
2026-10-11 32 29–35 7.6 µg/m³ 15.3 24h 140
2026-10-10 30 24–42 7.3 µg/m³ 54.2 24h 121
2026-10-09 35 25–46 8.3 µg/m³ — 24h 124
2026-10-08 25 19–35 5.9 µg/m³ — 24h 135
2026-10-07 26 23–30 6.3 µg/m³ — 24h 129
2026-10-06 25 20–32 5.9 µg/m³ — 24h 130
2026-10-05 27 19–34 6.5 µg/m³ — 24h 135
2026-10-04 26 19–39 6.1 µg/m³ — 24h 124
2026-10-03 22 16–30 5.3 µg/m³ 15.4 24h 131
2026-10-02 16 14–19 3.9 µg/m³ — 24h 134
2026-10-01 55 21–62 14.6 µg/m³ 1.1 24h 135
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