Air Quality in Brookfield, United States

Windy
17.9°C · 64.3% humidity
17.9°
Feels 17.9°
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
7 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
45 6pm
38
36
40 9pm
40
39
38 12am
36
36
37 3am
36
36
35 6am
35
35
36 9am
36
36
38 12pm
45
65
65 3pm
65
65
Station readings 5h ago
AQI 42
PM2.5 10.1 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

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.

64.3%
Humidity
62.8 km/h
Wind NW
1009.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
40
9.55 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Brookfield?

Temperature & Precipitation

PM2.5 Trend

5h · 2 stations
PM2.59.55 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (7 stations within 25 km)
9.55
Median
9.84
Average
8.2
Low
13.1
High
PM2.5 µg/m³ · Model: 9.65 · Bias: +0.1

What is the 7-day forecast for Brookfield?

06-09
28.9° 9.4°
0.62 mm
06-10
19.6° 14.6°
32.69 mm
06-11
24.4° 12.6°
06-12
25.1° 17.8°
1.0 mm
06-13
27.4° 18.4°
4.63 mm
06-14
28.4° 14.3°
06-15
30.8° 23.7°
2.94 mm
Both models agree Avg diff: 7.4°C

Where are air quality stations near Brookfield?

28
Waukesha-cleveland Ave., Wisconsin, USA
9.9 km PM2.5: 6.7 µg/m³
63
Waukesha-cleveland Ave., Wisconsin, USA
9.9 km PM2.5: 17.8 µg/m³
55
Waukesha-cleveland Ave., Wisconsin, USA
9.9 km PM2.5: 14.0 µg/m³
13
Milw 16th St, Wisconsin, USA
14.8 km PM2.5: 3.1 µg/m³
32
Milwaukee-college Ave Nr, Wisconsin, USA
20.0 km PM2.5: 7.7 µg/m³
55
Milwaukee-college Ave Nr, Wisconsin, USA
20.0 km PM2.5: 14.0 µg/m³
55
Milwaukee-college Ave Nr, Wisconsin, USA
20.0 km PM2.5: 14.0 µg/m³

What cities are near Brookfield?

47 Wauwatosa 40 New Berlin 47 West Allis 37 Waukesha 42 Menomonee Falls 51 Milwaukee 39 Muskego 52 Mequon 42 Cudahy 39 South Milwaukee
Get AQI alerts for Brookfield

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T02:16 UTC.