Air quality in Collinsville
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
7.1 µg/m³
WHO guideline 15
PM10
7.5 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
4:00 AM
💨
PM2.5 7.1 µg/m³
30Good
5:00 AM
💨
PM2.5 7.3 µg/m³
30Good
6:00 AM
💨
PM2.5 7.5 µg/m³
31Good
7:00 AM
💨
PM2.5 7.7 µg/m³
32Good
8:00 AM
💨
PM2.5 8.4 µg/m³
35Good
9:00 AM
💨
PM2.5 9.3 µg/m³
49Good
10:00 AM
💨
PM2.5 9.7 µg/m³
83Moderate
11:00 AM
💨
PM2.5 9.3 µg/m³
101Unhealthy for Sensitive Groups
12:00 PM
💨
PM2.5 8.3 µg/m³
110Unhealthy for Sensitive Groups
1:00 PM
💨
PM2.5 7.6 µg/m³
117Unhealthy for Sensitive Groups
2:00 PM
💨
PM2.5 7.1 µg/m³
124Unhealthy for Sensitive Groups
3:00 PM
💨
PM2.5 6.8 µg/m³
129Unhealthy for Sensitive Groups
Next few days
daily max · US EPA AQI
Wed
💨
Unhealthy for Sensitive Groups · UV Very high
129
Thu
💨
Unhealthy for Sensitive Groups · UV Very high
104
Fri
💨
Unhealthy for Sensitive Groups · UV Very high
120
Sat
💨
Unhealthy for Sensitive Groups · UV High
135