Air Quality in West Allis, United States

Windy
25.9°C · 55.3% humidity
25.9°
Feels 25.9°
37
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
46 12pm
46
46
37 3pm
40
41
43 6pm
44
45
46 9pm
46
55
88 12am
105
106
106 3am
105
105
105 6am
105
105
168 9am
168
168
Station readings
37
CAMS model adj +22
24
24
24
24
24
24
24
24
25
25
25
34
66
83
84
84
83
83
83
83
83
146
146
146
AD 728×90

Air Quality Index Trend

9h · 3 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.

55.3%
Humidity
44.9 km/h
Wind E
1015.6 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
37
8.77 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for West Allis?

Temperature & Precipitation

PM2.5 Trend

9h · 3 stations
PM2.58.77 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX12.9
Extreme
AD 300×250
Station readings (3 stations within 25 km)
8.77
Median
8.63
Average
8.4
Low
8.9
High
PM2.5 µg/m³ · Model: 7.0 · Bias: -1.8

What is the 7-day forecast for West Allis?

07-21
25.9° 21.8°
2.06 mm
07-22
25.0° 18.2°
1.88 mm
07-23
20.1° 16.9°
2.25 mm
07-24
28.0° 16.5°
07-25
22.7° 17.7°
1.56 mm
07-26
26.7° 20.8°
6.56 mm
07-27
26.3° 19.3°
2.19 mm
Both models agree Avg diff: 4.4°C

Where are air quality stations near West Allis?

41
Milw 16th St, Wisconsin, USA
6.0 km PM2.5: 9.8 µg/m³
54
Milwaukee-college Ave Nr, Wisconsin, USA
11.1 km PM2.5: 13.5 µg/m³
20
Milwaukee-college Ave Nr, Wisconsin, USA
11.1 km PM2.5: 4.8 µg/m³
87
Milwaukee-college Ave Nr, Wisconsin, USA
11.1 km PM2.5: 29.2 µg/m³
59
Waukesha-cleveland Ave., Wisconsin, USA
16.9 km PM2.5: 15.9 µg/m³
70
Waukesha-cleveland Ave., Wisconsin, USA
16.9 km PM2.5: 21.1 µg/m³
38
Waukesha-cleveland Ave., Wisconsin, USA
16.9 km PM2.5: 9.1 µg/m³

What cities are near West Allis?

37 Wauwatosa 37 Milwaukee 36 New Berlin 36 Brookfield 36 Cudahy 36 Muskego 35 South Milwaukee 36 Waukesha 35 Oak Creek 36 Menomonee Falls
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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 2026-07-21T20:12 UTC.