Air Quality in Portage, United States

Partly Cloudy
26.8°C · 54.9% humidity
26.8°
Feels 26.8°
59
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station

Nearby Monitoring Stations

AQI Forecast
25 1pm
25
24
59 4pm
50
43
38 7pm
33
32
30 10pm
28
27
29 1am
55
55
67 4am
66
54
54 7am
54
54
66 10am
83
84
AD 728×90

Air Quality Index Trend

45h · 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. Current PM2.5 concentration in Portage is 1.1× the WHO 24-hour guideline of 15 µg/m³.

54.9%
Humidity
36.1 km/h
Wind ENE
1014.4 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
59
15.9 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Portage?

Temperature & Precipitation

PM2.5 Trend

45h · 2 stations
PM2.515.9 µg/m³ ×1.1 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX14.9
Extreme
AD 300×250
Station readings (1 station within 25 km)
15.9
Median
15.9
Average
15.9
Low
15.9
High
PM2.5 µg/m³ · Model: 6.15 · Bias: -9.8

What is the 7-day forecast for Portage?

07-21
26.8° 21.0°
3.56 mm
07-22
24.9° 19.3°
07-23
23.0° 15.7°
2.94 mm
07-24
26.8° 15.1°
07-25
19.0° 16.7°
1.63 mm
07-26
26.4° 16.3°
4.88 mm
07-27
26.3° 19.0°
1.88 mm
Both models agree Avg diff: 4.0°C

Where are air quality stations near Portage?

38
Kalamazoo, Michigan, USA
9.1 km PM2.5: 9.1 µg/m³
48
NASA GSFC Rutgers Calib. N1
28.7 km PM2.5: 11.6 µg/m³

What cities are near Portage?

59 Kalamazoo 48 Battle Creek 60 Granger 61 Elkhart 61 Goshen 49 Kentwood 60 Mishawaka 41 Holland 49 Wyoming 60 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 2026-07-21T20:14 UTC.