Air Quality in Portage, United States
Cloudy
8.7°C · 72.2% humidity
8.7°
Feels 4.5°
41
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
AQI Forecast
25
8pm
25
25
41
11pm
36
32
30
2am
28
27
26
5am
26
25
25
8am
25
24
24
11am
24
24
24
2pm
24
24
25
5pm
25
25
Air Quality Index Trend
46h · 1 stnPortage's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
72.2%
Humidity
34.8 km/h
Wind NW
1010.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
9.75 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Portage?
Temperature & Precipitation
PM2.5 Trend
46h · 1 stationPM2.59.75 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Portage?
06-09
29.4° 8.7°
2.0 mm
06-10
20.8° 18.9°
29.88 mm
06-11
24.3° 13.3°
06-12
28.5° 18.5°
6.81 mm
06-13
27.4° 19.0°
1.38 mm
06-14
27.6° 14.4°
06-15
31.9° 20.7°
1.06 mm
Both models agree
Avg diff: 6.1°C
Where are air quality stations near Portage?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T03:40 UTC.