Air quality in Normal
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
1.7 µg/m³
WHO guideline 15
PM10
1.9 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
7:00 PM
💨
PM2.5 1.7 µg/m³
29Good
8:00 PM
💨
PM2.5 1.4 µg/m³
27Good
9:00 PM
💨
PM2.5 1.3 µg/m³
26Good
10:00 PM
💨
PM2.5 1.2 µg/m³
27Good
11:00 PM
💨
PM2.5 1.3 µg/m³
29Good
12:00 AM
💨
PM2.5 1.3 µg/m³
33Good
1:00 AM
💨
PM2.5 1.3 µg/m³
35Good
2:00 AM
💨
PM2.5 1.4 µg/m³
35Good
3:00 AM
💨
PM2.5 1.3 µg/m³
33Good
4:00 AM
💨
PM2.5 1.3 µg/m³
31Good
5:00 AM
💨
PM2.5 1.5 µg/m³
27Good
6:00 AM
💨
PM2.5 1.9 µg/m³
22Good
Next few days
daily max · US EPA AQI
Thu
💨
Good · UV Moderate
48
Fri
💨
Moderate · UV Moderate
68
Sat
💨
Moderate · UV High
80
Mon
💨
Good · UV Very high
24