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Waukesha, WI Air Quality

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Air quality in Waukesha

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
18
Good
PM2.5
2.9 µg/m³
WHO guideline 15
PM10
3 µg/m³
WHO guideline 45
NO₂ · O₃
9 · 39
µg/m³

Hour by hour (12h)

US EPA AQI
7:00 AM 💨 PM2.5 2.9 µg/m³
18Good
8:00 AM 💨 PM2.5 2.8 µg/m³
23Good
9:00 AM 💨 PM2.5 2.5 µg/m³
29Good
10:00 AM 💨 PM2.5 2.5 µg/m³
35Good
11:00 AM 💨 PM2.5 2.8 µg/m³
40Good
12:00 PM 💨 PM2.5 3.1 µg/m³
43Good
1:00 PM 💨 PM2.5 3.2 µg/m³
46Good
2:00 PM 💨 PM2.5 3.4 µg/m³
48Good
3:00 PM 💨 PM2.5 3.5 µg/m³
50Good
4:00 PM 💨 PM2.5 3.6 µg/m³
50Good
5:00 PM 💨 PM2.5 3.7 µg/m³
48Good
6:00 PM 💨 PM2.5 3.8 µg/m³
45Good

Next few days

daily max · US EPA AQI
Sun 💨 Good · UV High
50
Mon 💨 Moderate · UV High
66
Tue 💨 Moderate · UV High
80
Wed 💨 Good · UV High
49
Thu 💨 Good · UV High
26
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Updated: 7:41 AM