Air quality in Cahaba 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
9.5 µg/m³
WHO guideline 15
PM10
10.5 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
1:00 PM
💨
PM2.5 9.5 µg/m³
99Moderate
2:00 PM
💨
PM2.5 9.5 µg/m³
103Unhealthy for Sensitive Groups
3:00 PM
💨
PM2.5 9.5 µg/m³
106Unhealthy for Sensitive Groups
4:00 PM
💨
PM2.5 9.3 µg/m³
99Moderate
5:00 PM
💨
PM2.5 9.4 µg/m³
80Moderate
6:00 PM
💨
PM2.5 11.8 µg/m³
49Good
7:00 PM
💨
PM2.5 16.1 µg/m³
59Moderate
8:00 PM
💨
PM2.5 18 µg/m³
63Moderate
9:00 PM
💨
PM2.5 20 µg/m³
68Moderate
10:00 PM
💨
PM2.5 23 µg/m³
74Moderate
11:00 PM
💨
PM2.5 25 µg/m³
78Moderate
12:00 AM
💨
PM2.5 26.2 µg/m³
81Moderate
Next few days
daily max · US EPA AQI
Tue
💨
Unhealthy for Sensitive Groups · UV Very high
111
Wed
💨
Unhealthy for Sensitive Groups · UV Very high
104
Thu
💨
Moderate · UV High
95
Fri
💨
Unhealthy for Sensitive Groups · UV High
115
Sat
💨
Moderate · UV High
60