Air quality in Rochester Hills
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
6.8 µg/m³
WHO guideline 15
PM10
6.8 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
3:00 PM
💨
PM2.5 6.8 µg/m³
73Moderate
4:00 PM
💨
PM2.5 6.6 µg/m³
73Moderate
5:00 PM
💨
PM2.5 6.5 µg/m³
70Moderate
6:00 PM
💨
PM2.5 6.5 µg/m³
60Moderate
7:00 PM
💨
PM2.5 6.9 µg/m³
50Good
8:00 PM
💨
PM2.5 7.4 µg/m³
46Good
9:00 PM
💨
PM2.5 7.7 µg/m³
43Good
10:00 PM
💨
PM2.5 7.8 µg/m³
40Good
11:00 PM
💨
PM2.5 7.7 µg/m³
37Good
12:00 AM
💨
PM2.5 7.7 µg/m³
34Good
1:00 AM
💨
PM2.5 7.5 µg/m³
32Good
2:00 AM
💨
PM2.5 7.2 µg/m³
30Good
Next few days
daily max · US EPA AQI
Mon
💨
Moderate · UV High
73
Tue
💨
Moderate · UV High
81
Wed
💨
Unhealthy for Sensitive Groups · UV Moderate
122