Air Quality in West Allis, United States

Windy
19.2°C · 58.0% humidity
19.2°
Feels 19.2°
47
Good
Air quality is satisfactory. Enjoy outdoor activities.
7 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
45 6pm
38
36
47 9pm
45
42
40 12am
38
37
38 3am
37
37
36 6am
35
35
36 9am
36
36
38 12pm
45
65
65 3pm
65
65
Station readings 5h ago
AQI 44
PM2.5 10.5 µg/m³ · 5h ago
CAMS model adj +11
34
27
25
24
25
25
25
24
24
25
25
25
24
24
24
25
25
25
27
34
54
54
54
54
AD 728×90

Air Quality Index Trend

5h · 2 stn

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

58.0%
Humidity
61.2 km/h
Wind WNW
1009.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
47
11.34 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

5h · 2 stations
PM2.511.34 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
11.34
Median
9.84
Average
8.2
Low
13.1
High
PM2.5 µg/m³ · Model: 9.65 · Bias: -1.7
06-09
29.8° 11.6°
0.69 mm
06-10
16.8° 14.1°
27.75 mm
06-11
25.1° 14.0°
06-12
26.1° 17.2°
2.0 mm
06-13
28.4° 17.4°
5.44 mm
06-14
29.1° 13.9°
06-15
30.8° 23.6°
2.94 mm
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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 2026-06-09T02:34 UTC.