Air quality in Bay City
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
3.6 µg/m³
WHO guideline 15
PM10
3.7 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
7:00 AM
💨
PM2.5 3.6 µg/m³
20Good
8:00 AM
💨
PM2.5 4 µg/m³
21Good
9:00 AM
💨
PM2.5 3.4 µg/m³
25Good
10:00 AM
💨
PM2.5 2.9 µg/m³
30Good
11:00 AM
💨
PM2.5 2.5 µg/m³
35Good
12:00 PM
💨
PM2.5 2.9 µg/m³
41Good
1:00 PM
💨
PM2.5 3.6 µg/m³
47Good
2:00 PM
💨
PM2.5 4.4 µg/m³
53Moderate
3:00 PM
💨
PM2.5 4.8 µg/m³
61Moderate
4:00 PM
💨
PM2.5 5 µg/m³
65Moderate
5:00 PM
💨
PM2.5 4.8 µg/m³
60Moderate
6:00 PM
💨
PM2.5 4.1 µg/m³
49Good
Next few days
daily max · US EPA AQI
Fri
💨
Moderate · UV Moderate
65
Tue
💨
Good · UV Moderate
28