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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

478h

PM2.5 Station

478h · 189 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-08-08 43 37–52 10.4 µg/m³ — 7h 161
2026-08-07 54 37–63 14.3 µg/m³ 2.4 24h 180
2026-08-06 53 40–65 13.8 µg/m³ 2.9 24h 173
2026-08-05 54 51–57 13.4 µg/m³ 3.6 24h 162
2026-08-04 47 38–52 11.3 µg/m³ 2.7 24h 156
2026-08-03 38 27–48 9.1 µg/m³ 1.6 24h 144
2026-08-02 47 43–51 11.2 µg/m³ 1.7 24h 138
2026-08-01 45 36–55 11.0 µg/m³ 1.4 24h 136
2026-07-31 45 36–52 10.7 µg/m³ 1.4 24h 136
2026-07-30 32 23–41 7.8 µg/m³ 2.0 24h 136
2026-07-29 23 20–27 5.4 µg/m³ — 24h 136
2026-07-28 42 28–56 10.3 µg/m³ 4.3 24h 126
2026-07-27 57 27–74 15.9 µg/m³ 3.2 24h 242
2026-07-26 58 52–64 15.6 µg/m³ 7.0 24h 247
2026-07-25 43 35–56 10.4 µg/m³ 5.2 24h 244
2026-07-24 40 32–47 9.7 µg/m³ — 24h 237
2026-07-23 33 22–44 8.0 µg/m³ — 24h 237
2026-07-22 20 12–57 4.9 µg/m³ — 24h 226
2026-07-21 63 32–98 18.8 µg/m³ 11.6 24h 237
2026-07-20 98 54–106 34.4 µg/m³ 16.4 24h 228
2026-07-19 103 97–117 36.5 µg/m³ 12.6 15h 247
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