Air quality in Marshall
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
9.7 µg/m³
WHO guideline 15
PM10
12.4 µg/m³
WHO guideline 45
Hour by hour (12h) US EPA AQI
8:00 PM
💨
PM2.5 9.7 µg/m³
40 Good
9:00 PM
💨
PM2.5 8.9 µg/m³
37 Good
10:00 PM
💨
PM2.5 9 µg/m³
38 Good
11:00 PM
💨
PM2.5 9.9 µg/m³
41 Good
12:00 AM
💨
PM2.5 11.1 µg/m³
46 Good
1:00 AM
💨
PM2.5 11.6 µg/m³
48 Good
2:00 AM
💨
PM2.5 10.7 µg/m³
45 Good
3:00 AM
💨
PM2.5 7.9 µg/m³
33 Good
4:00 AM
💨
PM2.5 6.8 µg/m³
32 Good
5:00 AM
💨
PM2.5 6.2 µg/m³
31 Good
6:00 AM
💨
PM2.5 5.8 µg/m³
30 Good
7:00 AM
💨
PM2.5 5.7 µg/m³
29 Good
Next few days daily max · US EPA AQI
Thu
💨
Moderate · UV High
58
Fri
💨
Moderate · UV High
54
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Precip NEXRAD · NOAA Temp Wind Clouds Terrain