Air Quality in West Allis, United States

Windy
28.0°C · 51.4% humidity
28.0°
Feels 30.4°
24
Good
Air quality is satisfactory. Enjoy outdoor activities.
5 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
19 7am
19
19
24 10am
25
24
23 1pm
22
22
22 4pm
19
19
19 7pm
19
19
19 10pm
19
19
19 1am
19
19
19 4am
19
19
Station readings 6h ago
AQI 17
PM2.5 4.1 µg/m³ · 6h ago
CAMS model adj -6
25
25
25
25
27
27
27
27
27
27
25
25
25
25
25
25
25
25
25
25
25
25
25
25
AD 728×90

Air Quality Index Trend

6h · 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. Current PM2.5 concentration in West Allis is 1.1× the WHO annual guideline of 5 µg/m³.

51.4%
Humidity
74.9 km/h
Wind WNW
1017.3 hPa
Pressure
7.9
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
24
5.73 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for West Allis?

Temperature & Precipitation

PM2.5 Trend

6h · 2 stations
PM2.55.73 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX7.9
Very High
AD 300×250
Station readings (5 stations within 25 km)
5.73
Median
7.02
Average
4.3
Low
15.0
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +0.3

What is the 7-day forecast for West Allis?

05-29
28.0° 5.8°
05-30
23.7° 9.4°
05-31
24.9° 12.7°
06-01
29.1° 13.6°
0.81 mm
06-02
20.8° 15.3°
0.88 mm
06-03
28.5° 19.9°
06-04
21.1° 12.1°
0.31 mm
Both models agree Avg diff: 5.2°C

Where are air quality stations near West Allis?

38
Milw 16th St, Wisconsin, USA
6.0 km PM2.5: 9.1 µg/m³
22
Milwaukee-college Ave Nr, Wisconsin, USA
11.1 km PM2.5: 5.3 µg/m³
6
Milwaukee-college Ave Nr, Wisconsin, USA
11.1 km PM2.5: 1.4 µg/m³
22
Milwaukee-college Ave Nr, Wisconsin, USA
11.1 km PM2.5: 5.3 µg/m³
46
Waukesha-cleveland Ave., Wisconsin, USA
16.9 km PM2.5: 11.0 µg/m³
25
Waukesha-cleveland Ave., Wisconsin, USA
16.9 km PM2.5: 6.0 µg/m³
9
Waukesha-cleveland Ave., Wisconsin, USA
16.9 km PM2.5: 2.2 µg/m³

What cities are near West Allis?

25 Wauwatosa 23 Milwaukee 36 New Berlin 39 Brookfield 20 Cudahy 33 Muskego 20 South Milwaukee 57 Waukesha 20 Oak Creek 40 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 2026-05-29T15:04 UTC.