Air quality in Caernarvon
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
6.8 µg/m³
WHO guideline 15
PM10
7.2 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
2:00 PM
💨
PM2.5 6.8 µg/m³
33Good
3:00 PM
💨
PM2.5 7 µg/m³
34Good
4:00 PM
💨
PM2.5 6.9 µg/m³
35Good
5:00 PM
💨
PM2.5 6.7 µg/m³
36Good
6:00 PM
💨
PM2.5 6.5 µg/m³
33Good
7:00 PM
💨
PM2.5 7.2 µg/m³
30Good
8:00 PM
💨
PM2.5 9.7 µg/m³
40Good
9:00 PM
💨
PM2.5 13 µg/m³
53Moderate
10:00 PM
💨
PM2.5 15.5 µg/m³
58Moderate
11:00 PM
💨
PM2.5 16.9 µg/m³
61Moderate
12:00 AM
💨
PM2.5 17.2 µg/m³
62Moderate
1:00 AM
💨
PM2.5 16.7 µg/m³
61Moderate
Next few days
daily max · US EPA AQI
Mon
💨
Moderate · UV Moderate
61
Tue
💨
Moderate · UV Moderate
62
Wed
💨
Good · UV Moderate
41
Thu
💨
Good · UV Moderate
50
Fri
💨
Moderate · UV High
78