Air quality in Glen Ellyn
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
17.5 µg/m³
WHO guideline 15
PM10
17.6 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
8:00 PM
💨
PM2.5 17.5 µg/m³
62Moderate
9:00 PM
💨
PM2.5 17.7 µg/m³
63Moderate
10:00 PM
💨
PM2.5 17 µg/m³
61Moderate
11:00 PM
💨
PM2.5 16.4 µg/m³
60Moderate
12:00 AM
💨
PM2.5 15.2 µg/m³
58Moderate
1:00 AM
💨
PM2.5 13.5 µg/m³
54Moderate
2:00 AM
💨
PM2.5 11.7 µg/m³
49Good
3:00 AM
💨
PM2.5 10.3 µg/m³
43Good
4:00 AM
💨
PM2.5 8.9 µg/m³
37Good
5:00 AM
💨
PM2.5 7.8 µg/m³
33Good
6:00 AM
💨
PM2.5 7.1 µg/m³
30Good
7:00 AM
💨
PM2.5 6.8 µg/m³
28Good
Next few days
daily max · US EPA AQI
Tue
💨
Unhealthy for Sensitive Groups · UV High
104
Wed
💨
Moderate · UV High
65
Fri
💨
Moderate · UV High
77
Sat
💨
Moderate · UV High
60