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
10.9 µg/m³
WHO guideline 15
PM10
16.7 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
9:00 AM
💨
PM2.5 10.9 µg/m³
45Good
10:00 AM
💨
PM2.5 12.3 µg/m³
51Moderate
11:00 AM
💨
PM2.5 14.1 µg/m³
55Moderate
12:00 PM
💨
PM2.5 15 µg/m³
57Moderate
1:00 PM
💨
PM2.5 13.2 µg/m³
53Moderate
2:00 PM
💨
PM2.5 12 µg/m³
50Good
3:00 PM
💨
PM2.5 11.6 µg/m³
49Good
4:00 PM
💨
PM2.5 11.5 µg/m³
50Good
5:00 PM
💨
PM2.5 11.4 µg/m³
48Good
6:00 PM
💨
PM2.5 11.2 µg/m³
48Good
7:00 PM
💨
PM2.5 11.4 µg/m³
48Good
8:00 PM
💨
PM2.5 13.2 µg/m³
53Moderate
Next few days
daily max · US EPA AQI
Thu
💨
Moderate · UV Very high
57
Fri
💨
Moderate · UV Very high
63
Sat
💨
Moderate · UV Very high
76
Sun
💨
Moderate · UV Very high
91
Mon
💨
Moderate · UV Very high
62