Air quality in Prospect Heights
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
8.8 µg/m³
WHO guideline 15
PM10
9.1 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
12:00 PM
💨
PM2.5 8.8 µg/m³
43Good
1:00 PM
💨
PM2.5 9.1 µg/m³
45Good
2:00 PM
💨
PM2.5 8.9 µg/m³
45Good
3:00 PM
💨
PM2.5 8.8 µg/m³
44Good
4:00 PM
💨
PM2.5 8.8 µg/m³
43Good
5:00 PM
💨
PM2.5 8.3 µg/m³
40Good
6:00 PM
💨
PM2.5 8.3 µg/m³
38Good
7:00 PM
💨
PM2.5 9.3 µg/m³
39Good
8:00 PM
💨
PM2.5 11.5 µg/m³
48Good
9:00 PM
💨
PM2.5 13.6 µg/m³
54Moderate
10:00 PM
💨
PM2.5 13.3 µg/m³
54Moderate
11:00 PM
💨
PM2.5 11.6 µg/m³
48Good
Next few days
daily max · US EPA AQI
Sat
💨
Moderate · UV High
54
Mon
💨
Moderate · UV High
59
Tue
💨
Unhealthy for Sensitive Groups · UV High
103
Wed
💨
Moderate · UV High
84