Air quality in Fort Smith
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.
PM2.5
5.4 µg/m³
WHO guideline 15
PM10
5.4 µg/m³
WHO guideline 45
Hour by hour (12h) US EPA AQI
11:00 AM
💨
PM2.5 5.4 µg/m³
39 Good
12:00 PM
💨
PM2.5 4.4 µg/m³
46 Good
1:00 PM
💨
PM2.5 3.9 µg/m³
51 Moderate
2:00 PM
💨
PM2.5 3.7 µg/m³
58 Moderate
3:00 PM
💨
PM2.5 3.6 µg/m³
58 Moderate
4:00 PM
💨
PM2.5 3.5 µg/m³
53 Moderate
5:00 PM
💨
PM2.5 3.5 µg/m³
48 Good
6:00 PM
💨
PM2.5 4.1 µg/m³
44 Good
7:00 PM
💨
PM2.5 5.5 µg/m³
40 Good
8:00 PM
💨
PM2.5 6.5 µg/m³
36 Good
9:00 PM
💨
PM2.5 7.1 µg/m³
33 Good
10:00 PM
💨
PM2.5 7.5 µg/m³
31 Good
Next few days daily max · US EPA AQI
Wed
💨
Moderate · UV Moderate
58
Thu
💨
Moderate · UV Moderate
70
Fri
💨
Moderate · UV Moderate
73
Sat
💨
Moderate · UV High
58
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Precip NEXRAD · NOAA Temp Wind Clouds Terrain