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
3.8 µg/m³
WHO guideline 15
PM10
3.9 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
12:00 AM
💨
PM2.5 3.8 µg/m³
28Good
1:00 AM
💨
PM2.5 3.9 µg/m³
27Good
2:00 AM
💨
PM2.5 4 µg/m³
28Good
3:00 AM
💨
PM2.5 4.2 µg/m³
31Good
4:00 AM
💨
PM2.5 4.6 µg/m³
36Good
5:00 AM
💨
PM2.5 4.7 µg/m³
40Good
6:00 AM
💨
PM2.5 4.2 µg/m³
39Good
7:00 AM
💨
PM2.5 3.5 µg/m³
37Good
8:00 AM
💨
PM2.5 3.1 µg/m³
36Good
9:00 AM
💨
PM2.5 3.1 µg/m³
36Good
10:00 AM
💨
PM2.5 3.4 µg/m³
36Good
11:00 AM
💨
PM2.5 3.9 µg/m³
37Good
Next few days
daily max · US EPA AQI
Mon
💨
Good · UV Very high
46
Tue
💨
Good · UV Very high
50
Wed
💨
Unhealthy for Sensitive Groups · UV Very high
110