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
7 µg/m³
WHO guideline 15
PM10
7.4 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
3:00 PM
💨
PM2.5 7 µg/m³
96Moderate
4:00 PM
💨
PM2.5 6.9 µg/m³
100Moderate
5:00 PM
💨
PM2.5 6.8 µg/m³
98Moderate
6:00 PM
💨
PM2.5 6.7 µg/m³
88Moderate
7:00 PM
💨
PM2.5 7 µg/m³
70Moderate
8:00 PM
💨
PM2.5 8.2 µg/m³
51Moderate
9:00 PM
💨
PM2.5 9.5 µg/m³
44Good
10:00 PM
💨
PM2.5 9.8 µg/m³
41Good
11:00 PM
💨
PM2.5 9.9 µg/m³
41Good
12:00 AM
💨
PM2.5 10.2 µg/m³
43Good
1:00 AM
💨
PM2.5 10.9 µg/m³
45Good
2:00 AM
💨
PM2.5 11.8 µg/m³
49Good
Next few days
daily max · US EPA AQI
Wed
💨
Moderate · UV Very high
100
Thu
💨
Unhealthy for Sensitive Groups · UV Very high
119
Fri
💨
Unhealthy for Sensitive Groups · UV Very high
126
Sat
💨
Unhealthy for Sensitive Groups · UV High
138
Sun
💨
Good · UV Very high
39