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 µg/m³
WHO guideline 15
PM10
10.5 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
11:00 PM
💨
PM2.5 10 µg/m³
42Good
12:00 AM
💨
PM2.5 9.9 µg/m³
41Good
1:00 AM
💨
PM2.5 8.8 µg/m³
37Good
2:00 AM
💨
PM2.5 7.7 µg/m³
32Good
3:00 AM
💨
PM2.5 7.7 µg/m³
32Good
4:00 AM
💨
PM2.5 6.8 µg/m³
31Good
5:00 AM
💨
PM2.5 5.7 µg/m³
34Good
6:00 AM
💨
PM2.5 5.2 µg/m³
37Good
7:00 AM
💨
PM2.5 5 µg/m³
40Good
8:00 AM
💨
PM2.5 4.3 µg/m³
42Good
9:00 AM
💨
PM2.5 5.1 µg/m³
43Good
10:00 AM
💨
PM2.5 5.2 µg/m³
43Good
Next few days
daily max · US EPA AQI
Fri
💨
Moderate · UV High
93
Sun
💨
Good · UV Very high
45
Mon
💨
Moderate · UV Very high
65
Tue
💨
Moderate · UV High
78