Air quality in Grafton
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
5 µg/m³
WHO guideline 15
PM10
5 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
12:00 PM
💨
PM2.5 5 µg/m³
43Good
1:00 PM
💨
PM2.5 4 µg/m³
43Good
2:00 PM
💨
PM2.5 3.4 µg/m³
43Good
3:00 PM
💨
PM2.5 3 µg/m³
43Good
4:00 PM
💨
PM2.5 2.7 µg/m³
44Good
5:00 PM
💨
PM2.5 2.6 µg/m³
43Good
6:00 PM
💨
PM2.5 3.2 µg/m³
39Good
7:00 PM
💨
PM2.5 4.1 µg/m³
34Good
8:00 PM
💨
PM2.5 4.8 µg/m³
29Good
9:00 PM
💨
PM2.5 4.7 µg/m³
26Good
10:00 PM
💨
PM2.5 4.5 µg/m³
26Good
11:00 PM
💨
PM2.5 4.2 µg/m³
25Good
Next few days
daily max · US EPA AQI
Thu
💨
Moderate · UV High
71