Air Quality in Portage, United States
Cloudy
14.7°C · 72.4% humidity
14.7°
Feels 14.7°
21
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Portage's air quality — share it
AQI Forecast
34
6pm
27
25
21
9pm
24
24
24
12am
24
24
24
3am
24
24
24
6am
24
24
24
9am
24
24
24
12pm
25
25
25
3pm
25
25
Air Quality Index Trend
47h · 2 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.
72.4%
Humidity
12.7 km/h
Wind NW
1010.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.0 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Portage?
Temperature & Precipitation
PM2.5 Trend
47h · 2 stationsPM2.55.0 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
5.0
Median
5.0
Average
5.0
Low
5.0
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +0.9
What is the 7-day forecast for Portage?
06-09
21.3° 13.8°
0.44 mm
06-10
17.4° 12.8°
13.94 mm
06-11
20.2° 14.8°
06-12
21.7° 16.6°
9.25 mm
06-13
24.0° 18.3°
3.25 mm
06-14
24.4° 14.9°
06-15
24.5° 20.4°
Both models agree
Avg diff: 6.4°C
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T02:16 UTC.