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
10.5 µg/m³
WHO guideline 15
PM10
11.2 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
8:00 PM
💨
PM2.5 10.5 µg/m³
44Good
9:00 PM
💨
PM2.5 11 µg/m³
46Good
10:00 PM
💨
PM2.5 10.8 µg/m³
45Good
11:00 PM
💨
PM2.5 10.4 µg/m³
43Good
12:00 AM
💨
PM2.5 10.2 µg/m³
43Good
1:00 AM
💨
PM2.5 9.5 µg/m³
40Good
2:00 AM
💨
PM2.5 8.4 µg/m³
35Good
3:00 AM
💨
PM2.5 7.9 µg/m³
33Good
4:00 AM
💨
PM2.5 7.9 µg/m³
33Good
5:00 AM
💨
PM2.5 8.3 µg/m³
35Good
6:00 AM
💨
PM2.5 9 µg/m³
38Good
7:00 AM
💨
PM2.5 9.8 µg/m³
41Good
Next few days
daily max · US EPA AQI
Mon
💨
Moderate · UV Very high
83
Tue
💨
Good · UV Very high
50
Wed
💨
Good · UV Very high
46
Thu
💨
Good · UV Very high
41
Fri
💨
Good · UV Very high
34