Air Quality in Onalaska, United States
Cloudy
19.6°C · 89.4% humidity
19.6°
Feels 19.6°
22
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Onalaska's air quality — share it
AQI Forecast
Calibrated
37
5am
37
37
22
8am
26
28
29
11am
31
32
32
2pm
33
33
33
5pm
34
34
35
8pm
35
35
35
11pm
34
34
34
2am
34
35
Station readings
7h ago
AQI 27
PM2.5 6.5 µg/m³ · 7h ago
CAMS model
adj +10
27
27
27
25
25
25
24
24
24
24
24
24
24
24
24
25
25
25
25
24
24
24
24
25
Air Quality Index Trend
5h · 1 stnOnalaska's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
89.4%
Humidity
15.4 km/h
Wind SW
1005.9 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.3 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Onalaska?
Temperature & Precipitation
PM2.5 Trend
5h · 1 stationPM2.55.3 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.9
Moderate
Station readings (1 station within 25 km)
5.3
Median
5.3
Average
5.3
Low
5.3
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +0.7
What is the 7-day forecast for Onalaska?
06-09
30.2° 11.3°
06-10
21.6° 14.6°
13.5 mm
06-11
26.7° 17.8°
0.06 mm
06-12
25.1° 17.6°
3.75 mm
06-13
29.1° 18.4°
17.56 mm
06-14
25.8° 14.5°
3.94 mm
06-15
28.2° 22.7°
1.0 mm
Both models agree
Avg diff: 6.5°C
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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 2026-06-09T13:40 UTC.