What is the air quality in Onalaska today?

The current Air Quality Index (AQI) in Onalaska is 33 (Good). PM2.5 concentration is 7.9 µg/m³.

What is the temperature in Onalaska right now?

The current temperature in Onalaska is 9.9°C (feels like 6.6°C). Humidity is 65.3% and wind speed is 28.8 km/h.

Is it safe to go outside in Onalaska?

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

Air Quality in Onalaska, United States

Partly Cloudy

9.9°C · 65.3% humidity

9.9°

Feels 6.6°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

40h · 1 stn

View full history →

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

65.3%

Humidity

28.8 km/h

Wind SE

1023.4 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

7.9 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Onalaska?

Temperature & Precipitation

PM2.5 Trend

40h · 1 station

PM2.57.9 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

What is the 7-day forecast for Onalaska?

10-20

9.3° -0.3°

10-21

23.3° 9.5°

10-22

10.7° 5.0°

10-23

11.5° 5.1°

1.06 mm

10-24

21.4° 7.6°

10-25

11.9° -0.5°

10-26

15.8° 0.9°

0.38 mm

Both models agree Avg diff: 7.0°C

What cities are near Onalaska?

33 North La Crosse 27 La Crosse 30 Winona 36 Rochester 15 Eau Claire 27 Marshfield 24 Menomonie 34 Wisconsin Rapids 24 Red Wing 33 Austin

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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 2026-10-20T22:41 UTC.