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Air Quality History for Naperville, United States

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

45
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

335h

PM2.5 Station

335h · 8 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-21 64 32–97 19.1 µg/m³ 22h 241
2026-07-20 99 59–107 34.4 µg/m³ 24h 244
2026-07-19 111 52–160 40.6 µg/m³ 24h 255
2026-07-18 49 26–89 12.8 µg/m³ 24h 255
2026-07-17 232 69–360 178.9 µg/m³ 24h 268
2026-07-16 153 51–329 100.4 µg/m³ 24h 248
2026-07-15 53 51–59 13.0 µg/m³ 24h 259
2026-07-14 60 31–67 16.6 µg/m³ 24h 253
2026-07-13 62 38–67 17.2 µg/m³ 24h 258
2026-07-12 50 29–57 12.5 µg/m³ 24h 246
2026-07-11 37 28–44 9.0 µg/m³ 24h 204
2026-07-10 36 26–48 8.5 µg/m³ 24h 248
2026-07-09 51 26–53 12.3 µg/m³ 24h 260
2026-07-08 55 46–62 14.3 µg/m³ 24h 272
2026-07-07 45 45–45 10.9 µg/m³ 1h 273
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