Air quality in Harwood 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
11.9 µg/m³
WHO guideline 15
PM10
12 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
10:00 PM
💨
PM2.5 11.9 µg/m³
50Good
11:00 PM
💨
PM2.5 11.1 µg/m³
46Good
12:00 AM
💨
PM2.5 10.3 µg/m³
43Good
1:00 AM
💨
PM2.5 9.9 µg/m³
41Good
2:00 AM
💨
PM2.5 9.8 µg/m³
41Good
3:00 AM
💨
PM2.5 10 µg/m³
42Good
4:00 AM
💨
PM2.5 10.1 µg/m³
42Good
5:00 AM
💨
PM2.5 10.1 µg/m³
42Good
6:00 AM
💨
PM2.5 10.1 µg/m³
42Good
7:00 AM
💨
PM2.5 10.7 µg/m³
45Good
8:00 AM
💨
PM2.5 13.3 µg/m³
54Moderate
9:00 AM
💨
PM2.5 14 µg/m³
55Moderate
Next few days
daily max · US EPA AQI
Tue
💨
Moderate · UV High
100
Wed
💨
Unhealthy for Sensitive Groups · UV High
147
Thu
💨
Unhealthy for Sensitive Groups · UV Moderate
126
Fri
💨
Moderate · UV High
95
Sat
💨
Unhealthy for Sensitive Groups · UV High
145