Air quality in Holly Springs
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
7.4 µg/m³
WHO guideline 15
PM10
7.6 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
8:00 PM
💨
PM2.5 7.4 µg/m³
43Good
9:00 PM
💨
PM2.5 8.2 µg/m³
39Good
10:00 PM
💨
PM2.5 8.2 µg/m³
35Good
11:00 PM
💨
PM2.5 7.9 µg/m³
33Good
12:00 AM
💨
PM2.5 8 µg/m³
33Good
1:00 AM
💨
PM2.5 8 µg/m³
33Good
2:00 AM
💨
PM2.5 8 µg/m³
33Good
3:00 AM
💨
PM2.5 8.3 µg/m³
35Good
4:00 AM
💨
PM2.5 8.8 µg/m³
37Good
5:00 AM
💨
PM2.5 9.7 µg/m³
40Good
6:00 AM
💨
PM2.5 10.3 µg/m³
43Good
7:00 AM
💨
PM2.5 10 µg/m³
42Good
Next few days
daily max · US EPA AQI
Sat
💨
Moderate · UV High
78
Sun
💨
Good · UV Very high
44
Mon
💨
Moderate · UV Very high
93
Tue
💨
Unhealthy for Sensitive Groups · UV Very high
103
Wed
💨
Good · UV Very high
30