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Air Quality History for Naperville, United States

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

40
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

334h

PM2.5 Station

334h · 273 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 53 30–71 14.0 µg/m³ 1.2 22h 236
2026-10-19 28 22–41 6.7 µg/m³ 3.4 24h 272
2026-10-18 23 18–35 5.4 µg/m³ — 24h 250
2026-10-17 16 13–23 3.9 µg/m³ 4.5 24h 271
2026-10-16 19 10–39 4.6 µg/m³ 1.1 24h 259
2026-10-15 24 14–41 5.8 µg/m³ 1.6 24h 271
2026-10-14 39 18–54 9.4 µg/m³ 2.4 24h 271
2026-10-13 34 25–50 8.2 µg/m³ 1.4 24h 271
2026-10-12 42 32–55 10.2 µg/m³ 2.0 24h 271
2026-10-11 31 28–37 7.5 µg/m³ — 24h 271
2026-10-10 30 25–41 7.1 µg/m³ — 24h 235
2026-10-09 33 24–45 8.0 µg/m³ 2.1 24h 240
2026-10-08 26 20–35 6.2 µg/m³ — 24h 262
2026-10-07 26 23–30 6.3 µg/m³ 3.2 24h 251
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