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Air Quality History for Portage, United States

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

36
Current AQI
Good CAMS model
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

333h

PM2.5 Station

333h · 187 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-08-08 38 37–39 9.0 µg/m³ — 3h 187
2026-08-07 54 37–63 14.3 µg/m³ 2.4 24h 182
2026-08-06 53 40–65 13.7 µg/m³ 2.9 24h 174
2026-08-05 54 51–58 13.4 µg/m³ 3.6 24h 162
2026-08-04 47 38–52 11.3 µg/m³ 2.7 24h 157
2026-08-03 38 27–48 9.2 µg/m³ 1.6 24h 145
2026-08-02 47 44–50 11.2 µg/m³ 1.7 24h 138
2026-08-01 45 36–55 10.9 µg/m³ 1.4 24h 137
2026-07-31 44 36–52 10.7 µg/m³ 1.4 24h 137
2026-07-30 32 23–41 7.8 µg/m³ 2.0 24h 137
2026-07-29 23 20–27 5.5 µg/m³ — 24h 137
2026-07-28 42 28–55 10.3 µg/m³ 4.3 24h 128
2026-07-27 57 27–74 15.9 µg/m³ 3.2 24h 243
2026-07-26 58 52–64 15.6 µg/m³ 7.0 24h 248
2026-07-25 44 40–56 10.8 µg/m³ 5.2 18h 245
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