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WeatherLive › Oklahoma › Stillwater › Air Quality

Stillwater, OK Air Quality

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Air quality in Stillwater

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
43
Good
PM2.5
7.8 µg/m³
WHO guideline 15
PM10
7.8 µg/m³
WHO guideline 45
NO₂ · O₃
2 · 92
µg/m³

Hour by hour (12h)

US EPA AQI
12:00 PM 💨 PM2.5 7.8 µg/m³
43Good
1:00 PM 💨 PM2.5 7.2 µg/m³
51Moderate
2:00 PM 💨 PM2.5 6.8 µg/m³
63Moderate
3:00 PM 💨 PM2.5 6.4 µg/m³
65Moderate
4:00 PM 💨 PM2.5 6.1 µg/m³
60Moderate
5:00 PM 💨 PM2.5 6 µg/m³
49Good
6:00 PM 💨 PM2.5 6.5 µg/m³
41Good
7:00 PM 💨 PM2.5 7.3 µg/m³
35Good
8:00 PM 💨 PM2.5 7.7 µg/m³
32Good
9:00 PM 💨 PM2.5 7.5 µg/m³
31Good
10:00 PM 💨 PM2.5 7.4 µg/m³
31Good
11:00 PM 💨 PM2.5 7.1 µg/m³
30Good

Next few days

daily max · US EPA AQI
Thu 💨 Moderate · UV Moderate
65
Fri 💨 Moderate · UV Moderate
71
Sat 💨 Moderate · UV Moderate
81
Sun 💨 Moderate · UV Moderate
73
Mon 💨 Good · UV High
36

Weather map — Stillwater

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Updated: 12:34 PM