Air quality in Highwood
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 µg/m³
WHO guideline 15
PM10
11.3 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
8:00 PM
💨
PM2.5 11 µg/m³
46Good
9:00 PM
💨
PM2.5 12.9 µg/m³
53Moderate
10:00 PM
💨
PM2.5 13.9 µg/m³
55Moderate
11:00 PM
💨
PM2.5 14.9 µg/m³
57Moderate
12:00 AM
💨
PM2.5 16.5 µg/m³
60Moderate
1:00 AM
💨
PM2.5 17.8 µg/m³
63Moderate
2:00 AM
💨
PM2.5 18.7 µg/m³
65Moderate
3:00 AM
💨
PM2.5 20.1 µg/m³
68Moderate
4:00 AM
💨
PM2.5 21.5 µg/m³
71Moderate
5:00 AM
💨
PM2.5 22.6 µg/m³
73Moderate
6:00 AM
💨
PM2.5 23.2 µg/m³
74Moderate
7:00 AM
💨
PM2.5 23.1 µg/m³
74Moderate
Next few days
daily max · US EPA AQI
Mon
💨
Moderate · UV High
57
Tue
💨
Moderate · UV High
100
Wed
💨
Moderate · UV High
60
Thu
💨
Moderate · UV High
51