Air Quality in Portage, United States

Windy
20.4°C · 52.4% humidity
20.4°
Feels 20.4°
22
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast
54 9am
54
27
22 12pm
21
22
22 3pm
23
23
23 6pm
24
25
25 9pm
25
25
25 12am
27
27
27 3am
27
27
27 6am
27
27
AD 728×90

Air Quality Index Trend

45h · 3 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.

52.4%
Humidity
71.3 km/h
Wind WNW
1019.2 hPa
Pressure
10.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
22
5.3 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Portage?

Temperature & Precipitation

PM2.5 Trend

45h · 3 stations
PM2.55.3 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX10.9
Extreme
AD 300×250
Station readings (1 station within 25 km)
5.3
Median
5.3
Average
5.3
Low
5.3
High
PM2.5 µg/m³ · Model: 6.5 · Bias: +1.2

What is the 7-day forecast for Portage?

09-05
20.4° 13.4°
09-06
28.1° 13.0°
09-07
24.2° 11.8°
10.25 mm
09-08
21.7° 14.6°
7.75 mm
09-09
29.2° 13.1°
0.44 mm
09-10
27.3° 13.6°
0.75 mm
09-11
33.6° 13.7°
0.44 mm
Both models agree Avg diff: 5.5°C

Where are air quality stations near Portage?

17
Kalamazoo, Michigan, USA
9.1 km PM2.5: 4.1 µg/m³
22
Kalamazoo, Michigan, USA
9.1 km PM2.5: 5.3 µg/m³
22
Kalamazoo, Michigan, USA
9.1 km PM2.5: 5.3 µg/m³
42
NASA GSFC Rutgers Calib. N1
28.7 km PM2.5: 10.2 µg/m³

What cities are near Portage?

23 Kalamazoo 42 Battle Creek 22 Granger 20 Elkhart 20 Goshen 34 Kentwood 23 Mishawaka 34 Holland 34 Wyoming 23 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 2026-09-05T16:35 UTC.