Air quality in Saint George
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
5 µg/m³
WHO guideline 15
PM10
5.6 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
10:00 AM
💨
PM2.5 5 µg/m³
50Good
11:00 AM
💨
PM2.5 5.2 µg/m³
60Moderate
12:00 PM
💨
PM2.5 5.6 µg/m³
63Moderate
1:00 PM
💨
PM2.5 5.4 µg/m³
61Moderate
2:00 PM
💨
PM2.5 4.7 µg/m³
61Moderate
3:00 PM
💨
PM2.5 4.1 µg/m³
65Moderate
4:00 PM
💨
PM2.5 3.8 µg/m³
66Moderate
5:00 PM
💨
PM2.5 3.9 µg/m³
66Moderate
6:00 PM
💨
PM2.5 4.1 µg/m³
60Moderate
7:00 PM
💨
PM2.5 4.3 µg/m³
48Good
8:00 PM
💨
PM2.5 4.5 µg/m³
47Good
9:00 PM
💨
PM2.5 4.8 µg/m³
44Good
Next few days
daily max · US EPA AQI
Wed
💨
Moderate · UV Very high
66
Thu
💨
Good · UV Moderate
45
Fri
💨
Good · UV Very high
37
Sun
💨
Good · UV Very high
28