Air Quality in Brookfield, United States

Clear
25.4°C · 32.2% humidity
25.4°
Feels 25.4°
41
Good
Air quality is satisfactory. Enjoy outdoor activities.
5 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
40 6pm
40
36
41 9pm
46
49
51 12am
53
54
55 3am
55
36
36 6am
29
27
27 9am
28
28
28 12pm
28
27
27 3pm
27
27
Station readings
40
40
36
CAMS model adj +3
34
34
54
54
54
54
54
54
54
54
54
34
34
27
24
24
25
25
25
25
24
24
24
24
AD 728×90

Air Quality Index Trend

31h · 2 stn

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

32.2%
Humidity
39.0 km/h
Wind NNE
1018.5 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
41
9.84 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Brookfield?

Temperature & Precipitation

PM2.5 Trend

31h · 2 stations
PM2.59.84 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX5.9
High
AD 300×250
Station readings (5 stations within 25 km)
9.84
Median
9.9
Average
9.8
Low
10.3
High
PM2.5 µg/m³ · Model: 8.2 · Bias: -1.6

What is the 7-day forecast for Brookfield?

08-03
25.4° 18.3°
1.75 mm
08-04
29.6° 13.2°
2.25 mm
08-05
28.3° 12.0°
0.75 mm
08-06
36.6° 20.3°
08-07
29.2° 14.7°
0.88 mm
08-08
35.3° 15.3°
22.5 mm
08-09
35.3° 22.5°
Both models agree Avg diff: 4.6°C

Where are air quality stations near Brookfield?

36
Waukesha-cleveland Ave., Wisconsin, USA
9.9 km PM2.5: 8.6 µg/m³
36
Milw 16th St, Wisconsin, USA
14.8 km PM2.5: 8.6 µg/m³
38
Milw 16th St, Wisconsin, USA
14.8 km PM2.5: 9.1 µg/m³
39
Milw 16th St, Wisconsin, USA
14.8 km PM2.5: 9.4 µg/m³
39
Milwaukee-college Ave Nr, Wisconsin, USA
20.0 km PM2.5: 9.4 µg/m³

What cities are near Brookfield?

41 Wauwatosa 41 New Berlin 41 West Allis 41 Waukesha 41 Menomonee Falls 41 Milwaukee 41 Muskego 41 Mequon 42 Cudahy 42 South Milwaukee
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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 2026-08-08T02:06 UTC.