Air quality in Highland Park
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
7.7 µg/m³
WHO guideline 15
PM10
8.5 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
3:00 PM
💨
PM2.5 7.7 µg/m³
73Moderate
4:00 PM
💨
PM2.5 7.7 µg/m³
68Moderate
5:00 PM
💨
PM2.5 7.7 µg/m³
66Moderate
6:00 PM
💨
PM2.5 7.7 µg/m³
63Moderate
7:00 PM
💨
PM2.5 7.9 µg/m³
58Moderate
8:00 PM
💨
PM2.5 8.3 µg/m³
50Good
9:00 PM
💨
PM2.5 8.8 µg/m³
48Good
10:00 PM
💨
PM2.5 9.3 µg/m³
45Good
11:00 PM
💨
PM2.5 9.6 µg/m³
43Good
12:00 AM
💨
PM2.5 9.8 µg/m³
41Good
1:00 AM
💨
PM2.5 9.8 µg/m³
41Good
2:00 AM
💨
PM2.5 9.9 µg/m³
41Good
Next few days
daily max · US EPA AQI
Mon
💨
Moderate · UV Very high
80
Tue
💨
Unhealthy for Sensitive Groups · UV Very high
101
Wed
💨
Moderate · UV High
81
Thu
💨
Moderate · UV High
58
Fri
💨
Good · UV Very high
31