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WeatherLive › Wisconsin › Brookfield › Air Quality

Brookfield, WI Air Quality

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Air quality in Brookfield

The US Air Quality Index (EPA) grades air from 0 to 500 using fine particles (PM2.5/PM10), ozone and nitrogen dioxide. 0-50 is Good, 51-100 Moderate, 101-150 Unhealthy for Sensitive Groups, and anything higher affects everyone.

US AQI · EPA
27
Good
PM2.5
3.7 µg/m³
WHO guideline 15
PM10
3.9 µg/m³
WHO guideline 45
NO₂ · O₃
6 · 57
µg/m³

Hour by hour (12h)

US EPA AQI
2:00 AM 💨 PM2.5 3.7 µg/m³
27Good
3:00 AM 💨 PM2.5 3.8 µg/m³
27Good
4:00 AM 💨 PM2.5 3.9 µg/m³
27Good
5:00 AM 💨 PM2.5 4 µg/m³
27Good
6:00 AM 💨 PM2.5 4.1 µg/m³
27Good
7:00 AM 💨 PM2.5 4.6 µg/m³
27Good
8:00 AM 💨 PM2.5 5 µg/m³
27Good
9:00 AM 💨 PM2.5 5.3 µg/m³
26Good
10:00 AM 💨 PM2.5 5.6 µg/m³
27Good
11:00 AM 💨 PM2.5 5.7 µg/m³
29Good
12:00 PM 💨 PM2.5 5.5 µg/m³
31Good
1:00 PM 💨 PM2.5 5.5 µg/m³
33Good

Next few days

daily max · US EPA AQI
Sun 💨 Good · UV Moderate
36
Mon 💨 Moderate · UV Moderate
84
Tue 💨 Unhealthy for Sensitive Groups · UV Moderate
101
Wed 💨 Moderate · UV Moderate
96
Thu 💨 Moderate · UV High
90

Weather map — Brookfield

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Updated: 2:31 AM