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Windsor, CO Air Quality

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Air quality in Windsor

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
40
Good
PM2.5
9.6 µg/m³
WHO guideline 15
PM10
10.9 µg/m³
WHO guideline 45
NO₂ · O₃
24 · 18
µg/m³

Hour by hour (12h)

US EPA AQI
12:00 AM 💨 PM2.5 9.6 µg/m³
40Good
1:00 AM 💨 PM2.5 8.2 µg/m³
34Good
2:00 AM 💨 PM2.5 6.8 µg/m³
28Good
3:00 AM 💨 PM2.5 5.7 µg/m³
24Good
4:00 AM 💨 PM2.5 5.2 µg/m³
22Good
5:00 AM 💨 PM2.5 4.7 µg/m³
20Good
6:00 AM 💨 PM2.5 4.9 µg/m³
20Good
7:00 AM 💨 PM2.5 5.6 µg/m³
23Good
8:00 AM 💨 PM2.5 5.7 µg/m³
24Good
9:00 AM 💨 PM2.5 4.7 µg/m³
20Good
10:00 AM 💨 PM2.5 4.8 µg/m³
20Good
11:00 AM 💨 PM2.5 5 µg/m³
21Good

Next few days

daily max · US EPA AQI
Fri 💨 Moderate · UV Low
55
Sat 💨 Good · UV Low
45
Sun 💨 Moderate · UV Low
55
Mon 💨 Moderate · UV Low
61
Tue 💨 Moderate · UV Low
63

Weather map — Windsor

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Updated: 12:49 AM