What is the air quality in Portage today?

The current Air Quality Index (AQI) in Portage is 49 (Good). PM2.5 concentration is 11.8 µg/m³.

What is the temperature in Portage right now?

The current temperature in Portage is 9.5°C (feels like 5.6°C). Humidity is 55.2% and wind speed is 34.3 km/h.

Is it safe to go outside in Portage?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Portage, United States

Partly Cloudy

9.5°C · 55.2% humidity

9.5°

Feels 5.6°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

44h · 1 stn

View full history →

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▲

11.8 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Portage?

Temperature & Precipitation

PM2.5 Trend

44h · 1 station

PM2.511.8 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (1 station within 25 km)

11.8

Median

11.8

Average

11.8

Low

11.8

High

PM2.5 µg/m³ · Model: 6.5 · Bias: -5.3

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?

Kalamazoo, Michigan, USA

9.1 km PM2.5: 8.9 µg/m³

Kalamazoo, Michigan, USA

9.1 km PM2.5: 11.8 µg/m³

NASA GSFC Rutgers Calib. N1

28.7 km PM2.5: 3.9 µg/m³

What cities are near Portage?

48 Kalamazoo 17 Battle Creek 34 Granger 43 Elkhart 44 Goshen 34 Kentwood 32 Mishawaka 42 Holland 34 Wyoming 32 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 2026-10-21T02:52 UTC.