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
12.4 µg/m³
WHO guideline 15
PM10
12.9 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
1:00 AM
💨
PM2.5 12.4 µg/m³
52Moderate
2:00 AM
💨
PM2.5 12.7 µg/m³
52Moderate
3:00 AM
💨
PM2.5 12.7 µg/m³
52Moderate
4:00 AM
💨
PM2.5 12.9 µg/m³
53Moderate
5:00 AM
💨
PM2.5 13.2 µg/m³
53Moderate
6:00 AM
💨
PM2.5 13.6 µg/m³
54Moderate
7:00 AM
💨
PM2.5 14.2 µg/m³
55Moderate
8:00 AM
💨
PM2.5 13.1 µg/m³
53Moderate
9:00 AM
💨
PM2.5 10.8 µg/m³
47Good
10:00 AM
💨
PM2.5 9.6 µg/m³
71Moderate
11:00 AM
💨
PM2.5 9.4 µg/m³
80Moderate
12:00 PM
💨
PM2.5 9.5 µg/m³
75Moderate
Next few days
daily max · US EPA AQI
Fri
💨
Moderate · UV Very high
80
Sat
💨
Moderate · UV Very high
96
Sun
💨
Moderate · UV High
80
Mon
💨
Good · UV Very high
50
Tue
💨
Good · UV Very high
47