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Sun Prairie, WI Air Quality

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Air quality in Sun Prairie

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
24
Good
PM2.5
1.8 µg/m³
WHO guideline 15
PM10
2.1 µg/m³
WHO guideline 45
NO₂ · O₃
4 · 51
µg/m³

Hour by hour (12h)

US EPA AQI
1:00 AM 💨 PM2.5 1.8 µg/m³
24Good
2:00 AM 💨 PM2.5 2 µg/m³
22Good
3:00 AM 💨 PM2.5 2.2 µg/m³
21Good
4:00 AM 💨 PM2.5 2.4 µg/m³
19Good
5:00 AM 💨 PM2.5 2.5 µg/m³
18Good
6:00 AM 💨 PM2.5 2.6 µg/m³
16Good
7:00 AM 💨 PM2.5 2.9 µg/m³
16Good
8:00 AM 💨 PM2.5 3.3 µg/m³
16Good
9:00 AM 💨 PM2.5 3.2 µg/m³
18Good
10:00 AM 💨 PM2.5 2.8 µg/m³
20Good
11:00 AM 💨 PM2.5 2.2 µg/m³
25Good
12:00 PM 💨 PM2.5 2.1 µg/m³
29Good

Next few days

daily max · US EPA AQI
Fri 💨 Good · UV Low
32
Sat 💨 Good · UV Moderate
35
Sun 💨 Good · UV Moderate
39
Mon 💨 Good · UV Moderate
41
Tue 💨 Moderate · UV Moderate
52

Weather map — Sun Prairie

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Updated: 1:17 AM