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
6.4 µg/m³
WHO guideline 15
PM10
6.5 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
10:00 AM
💨
PM2.5 6.4 µg/m³
34Good
11:00 AM
💨
PM2.5 6.8 µg/m³
42Good
12:00 PM
💨
PM2.5 6.6 µg/m³
46Good
1:00 PM
💨
PM2.5 6.1 µg/m³
49Good
2:00 PM
💨
PM2.5 5.8 µg/m³
51Moderate
3:00 PM
💨
PM2.5 5.7 µg/m³
56Moderate
4:00 PM
💨
PM2.5 5.5 µg/m³
60Moderate
5:00 PM
💨
PM2.5 5.2 µg/m³
55Moderate
6:00 PM
💨
PM2.5 5.3 µg/m³
48Good
7:00 PM
💨
PM2.5 5.2 µg/m³
42Good
8:00 PM
💨
PM2.5 6.4 µg/m³
37Good
9:00 PM
💨
PM2.5 7.2 µg/m³
33Good
Next few days
daily max · US EPA AQI
Sun
💨
Moderate · UV Very high
60
Mon
💨
Moderate · UV Very high
51
Tue
💨
Moderate · UV Very high
70
Wed
💨
Moderate · UV Very high
90
Thu
💨
Moderate · UV Very high
58