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Air Quality History for Downers Grove, United States

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

54
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

333h

PM2.5 Station

333h · 278 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-10-20 51 23–71 13.3 µg/m³ 1.1 24h 248
2026-10-19 28 22–40 6.7 µg/m³ 3.4 24h 282
2026-10-18 23 18–35 5.4 µg/m³ — 24h 259
2026-10-17 16 13–23 3.9 µg/m³ 4.5 24h 282
2026-10-16 19 10–39 4.6 µg/m³ 1.1 24h 270
2026-10-15 24 14–41 5.7 µg/m³ 1.6 24h 281
2026-10-14 39 18–54 9.4 µg/m³ 1.8 24h 280
2026-10-13 34 25–50 8.2 µg/m³ 3.9 24h 281
2026-10-12 42 32–55 10.2 µg/m³ 3.5 24h 281
2026-10-11 31 28–37 7.5 µg/m³ 15.3 24h 282
2026-10-10 30 25–42 7.1 µg/m³ 54.2 24h 246
2026-10-09 33 24–45 7.9 µg/m³ 2.1 24h 250
2026-10-08 26 20–35 6.2 µg/m³ — 24h 273
2026-10-07 27 23–30 6.4 µg/m³ 3.2 21h 259
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