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Four Corners, OR Air Quality

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Air quality in Four Corners

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
62
Moderate
PM2.5
17.2 µg/m³
WHO guideline 15
PM10
17.2 µg/m³
WHO guideline 45
NO₂ · O₃
13 · 30
µg/m³

Hour by hour (12h)

US EPA AQI
9:00 AM 💨 PM2.5 17.2 µg/m³
62Moderate
10:00 AM 💨 PM2.5 15.2 µg/m³
58Moderate
11:00 AM 💨 PM2.5 10.4 µg/m³
43Good
12:00 PM 💨 PM2.5 8.8 µg/m³
37Good
1:00 PM 💨 PM2.5 9.4 µg/m³
39Good
2:00 PM 💨 PM2.5 10.2 µg/m³
43Good
3:00 PM 💨 PM2.5 10.8 µg/m³
45Good
4:00 PM 💨 PM2.5 10.9 µg/m³
49Good
5:00 PM 💨 PM2.5 10.8 µg/m³
50Good
6:00 PM 💨 PM2.5 11.1 µg/m³
46Good
7:00 PM 💨 PM2.5 11.9 µg/m³
50Good
8:00 PM 💨 PM2.5 12.8 µg/m³
52Moderate

Next few days

daily max · US EPA AQI
Wed 💨 Moderate · UV Moderate
65
Thu 💨 Moderate · UV Moderate
72
Fri 💨 Moderate · UV Low
68
Sat 💨 Good · UV Moderate
49
Sun 💨 Good · UV Moderate
45

Weather map — Four Corners

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Updated: 9:10 AM