Air quality in Shelby
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
6.6 µg/m³
WHO guideline 15
PM10
6.9 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
2:00 PM
💨
PM2.5 6.6 µg/m³
99Moderate
3:00 PM
💨
PM2.5 6.3 µg/m³
101Unhealthy for Sensitive Groups
4:00 PM
💨
PM2.5 6.2 µg/m³
103Unhealthy for Sensitive Groups
5:00 PM
💨
PM2.5 6.2 µg/m³
99Moderate
6:00 PM
💨
PM2.5 6.2 µg/m³
90Moderate
7:00 PM
💨
PM2.5 6.6 µg/m³
71Moderate
8:00 PM
💨
PM2.5 7.9 µg/m³
55Moderate
9:00 PM
💨
PM2.5 9.2 µg/m³
47Good
10:00 PM
💨
PM2.5 9.5 µg/m³
43Good
11:00 PM
💨
PM2.5 8.9 µg/m³
39Good
12:00 AM
💨
PM2.5 8.5 µg/m³
38Good
1:00 AM
💨
PM2.5 8.1 µg/m³
39Good
Next few days
daily max · US EPA AQI
Wed
💨
Unhealthy for Sensitive Groups · UV Very high
104
Thu
💨
Unhealthy for Sensitive Groups · UV Very high
103
Fri
💨
Unhealthy for Sensitive Groups · UV High
101
Sat
💨
Moderate · UV Very high
75
Sun
💨
Good · UV Very high
33