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
4.8 µg/m³
WHO guideline 15
PM10
4.9 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
6:00 AM
💨
PM2.5 4.8 µg/m³
20Good
7:00 AM
💨
PM2.5 5.4 µg/m³
23Good
8:00 AM
💨
PM2.5 5.8 µg/m³
24Good
9:00 AM
💨
PM2.5 5.3 µg/m³
26Good
10:00 AM
💨
PM2.5 5.1 µg/m³
31Good
11:00 AM
💨
PM2.5 6 µg/m³
36Good
12:00 PM
💨
PM2.5 8.4 µg/m³
41Good
1:00 PM
💨
PM2.5 10.4 µg/m³
44Good
2:00 PM
💨
PM2.5 11.7 µg/m³
49Good
3:00 PM
💨
PM2.5 13.1 µg/m³
53Moderate
4:00 PM
💨
PM2.5 14 µg/m³
61Moderate
5:00 PM
💨
PM2.5 14 µg/m³
65Moderate
Next few days
daily max · US EPA AQI
Mon
💨
Moderate · UV High
65
Thu
💨
Moderate · UV High
86