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Air Quality History for Portage, United States

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

25
Current AQI
Good CAMS model
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

479h

PM2.5 Station

479h · 4 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-05-30 42 33–57 10.4 µg/m³ 4h 191
2026-05-29 25 18–32 6.1 µg/m³ 24h 254
2026-05-28 28 22–40 6.6 µg/m³ 24h 232
2026-05-27 43 30–58 10.6 µg/m³ 24h 252
2026-05-26 33 26–44 8.0 µg/m³ 24h 253
2026-05-25 49 31–71 13.0 µg/m³ 24h 253
2026-05-24 52 38–59 13.1 µg/m³ 24h 254
2026-05-23 28 21–38 6.7 µg/m³ 24h 252
2026-05-22 24 19–28 5.7 µg/m³ 24h 243
2026-05-21 22 15–40 5.3 µg/m³ 24h 253
2026-05-20 18 15–25 4.3 µg/m³ 24h 253
2026-05-19 25 16–40 6.0 µg/m³ 24h 252
2026-05-18 42 17–52 10.1 µg/m³ 24h 252
2026-05-17 49 32–61 12.5 µg/m³ 24h 252
2026-05-16 35 27–52 8.4 µg/m³ 24h 251
2026-05-15 26 22–34 6.2 µg/m³ 24h 253
2026-05-14 26 19–41 6.2 µg/m³ 24h 253
2026-05-13 25 21–30 5.9 µg/m³ 24h 252
2026-05-12 23 16–31 5.6 µg/m³ 24h 253
2026-05-11 26 17–41 6.3 µg/m³ 24h 253
2026-05-10 24 18–47 5.7 µg/m³ 19h 253
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