Air quality in Saint Matthews
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
15 µg/m³
WHO guideline 15
PM10
15.4 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
10:00 AM
💨
PM2.5 15 µg/m³
58Moderate
11:00 AM
💨
PM2.5 13.9 µg/m³
101Unhealthy for Sensitive Groups
12:00 PM
💨
PM2.5 12.5 µg/m³
115Unhealthy for Sensitive Groups
1:00 PM
💨
PM2.5 11.5 µg/m³
111Unhealthy for Sensitive Groups
2:00 PM
💨
PM2.5 10.9 µg/m³
108Unhealthy for Sensitive Groups
3:00 PM
💨
PM2.5 10.8 µg/m³
110Unhealthy for Sensitive Groups
4:00 PM
💨
PM2.5 11 µg/m³
110Unhealthy for Sensitive Groups
5:00 PM
💨
PM2.5 10.7 µg/m³
104Unhealthy for Sensitive Groups
6:00 PM
💨
PM2.5 10.7 µg/m³
91Moderate
7:00 PM
💨
PM2.5 11 µg/m³
70Moderate
8:00 PM
💨
PM2.5 12.4 µg/m³
52Moderate
9:00 PM
💨
PM2.5 14 µg/m³
55Moderate
Next few days
daily max · US EPA AQI
Fri
💨
Unhealthy for Sensitive Groups · UV Very high
115
Sat
💨
Moderate · UV High
75
Sun
💨
Moderate · UV High
68
Mon
💨
Moderate · UV Very high
61
Tue
💨
Good · UV Very high
31