Air Quality in Portage, United States

Partly Cloudy
9.5°C · 55.2% humidity
9.5°
Feels 5.6°
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast
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Air Quality Index Trend

43h · 2 stn

Portage's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

55.2%
Humidity
34.3 km/h
Wind SE
1025.6 hPa
Pressure
0.0
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
30
7.2 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Portage?

Temperature & Precipitation

PM2.5 Trend

43h · 2 stations
PM2.57.2 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX0.0
Low
Station readings (2 stations within 25 km)
7.2
Median
7.2
Average
5.5
Low
8.9
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +6.3

What is the 7-day forecast for Portage?

10-21
22.0° 7.7°
10-22
15.0° 6.1°
1.31 mm
10-23
13.2° 3.6°
0.56 mm
10-24
20.3° 4.9°
0.13 mm
10-25
12.5° 2.2°
0.13 mm
10-26
13.5° 3.3°
4.69 mm
10-27
7.8° 2.1°
2.69 mm
Both models agree Avg diff: 5.2°C

Where are air quality stations near Portage?

37
Kalamazoo, Michigan, USA
9.1 km PM2.5: 8.9 µg/m³
40
Kalamazoo, Michigan, USA
9.1 km PM2.5: 9.6 µg/m³
23
Kalamazoo, Michigan, USA
9.1 km PM2.5: 5.5 µg/m³
20
NASA GSFC Rutgers Calib. N1
28.7 km PM2.5: 4.7 µg/m³

What cities are near Portage?

30 Kalamazoo 21 Battle Creek 31 Granger 31 Elkhart 34 Goshen 23 Kentwood 31 Mishawaka 54 Holland 23 Wyoming 31 South Bend
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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 2026-10-21T01:07 UTC.