Air quality in East Saint Louis
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.
US AQI · EPA
119
Unhealthy for Sensitive Groups
PM2.5
7.6 µg/m³
WHO guideline 15
PM10
7.8 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
2:00 PM
💨
PM2.5 7.6 µg/m³
119Unhealthy for Sensitive Groups
3:00 PM
💨
PM2.5 7.4 µg/m³
111Unhealthy for Sensitive Groups
4:00 PM
💨
PM2.5 7.2 µg/m³
99Moderate
5:00 PM
💨
PM2.5 7 µg/m³
85Moderate
6:00 PM
💨
PM2.5 6.9 µg/m³
65Moderate
7:00 PM
💨
PM2.5 7.1 µg/m³
48Good
8:00 PM
💨
PM2.5 7.3 µg/m³
46Good
9:00 PM
💨
PM2.5 7.3 µg/m³
43Good
10:00 PM
💨
PM2.5 7.4 µg/m³
41Good
11:00 PM
💨
PM2.5 7.3 µg/m³
40Good
12:00 AM
💨
PM2.5 7.1 µg/m³
40Good
1:00 AM
💨
PM2.5 6.8 µg/m³
40Good
Next few days
daily max · US EPA AQI
Sun
💨
Unhealthy for Sensitive Groups · UV High
119
Mon
💨
Unhealthy for Sensitive Groups · UV High
150
Tue
💨
Unhealthy for Sensitive Groups · UV Very high
136
Wed
💨
Moderate · UV Very high
90
Thu
💨
Good · UV Very high
40