Home › United States › Portage › History

Air Quality History for Portage, United States

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

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

Air Quality Index Station

477h

PM2.5 Station

477h · 250 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-09-05 42 22–55 10.5 µg/m³ 8.7 17h 250
2026-09-04 46 28–54 10.9 µg/m³ 1.3 24h 250
2026-09-03 46 30–58 11.3 µg/m³ 1.7 24h 250
2026-09-02 56 54–59 14.7 µg/m³ 2.2 24h 250
2026-09-01 56 39–62 14.8 µg/m³ 3.2 24h 239
2026-08-31 54 48–59 13.7 µg/m³ 3.3 24h 249
2026-08-30 48 42–57 11.6 µg/m³ 2.2 24h 249
2026-08-29 57 45–68 15.3 µg/m³ 2.2 24h 250
2026-08-28 47 37–55 11.4 µg/m³ 2.3 24h 251
2026-08-27 43 39–52 10.4 µg/m³ 2.3 24h 252
2026-08-26 45 35–55 11.0 µg/m³ 2.7 24h 253
2026-08-25 35 25–46 8.3 µg/m³ 6.1 24h 253
2026-08-24 46 23–61 12.0 µg/m³ 2.7 24h 253
2026-08-23 52 36–89 14.4 µg/m³ 3.7 24h 253
2026-08-22 43 36–54 10.3 µg/m³ 1.9 24h 246
2026-08-21 55 45–61 14.3 µg/m³ 1.9 24h 246
2026-08-20 45 31–55 10.8 µg/m³ — 24h 244
2026-08-19 32 19–47 7.7 µg/m³ 1.5 24h 236
2026-08-18 30 20–34 7.3 µg/m³ 1.1 24h 226
2026-08-17 23 17–35 5.6 µg/m³ 2.8 24h 236
2026-08-16 32 31–32 7.6 µg/m³ 2.3 4h 246
Back to Portage Air Quality