Air quality in Snowdon
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
6.1 µg/m³
WHO guideline 15
PM10
6.2 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
8:00 PM
💨
PM2.5 6.1 µg/m³
25Good
9:00 PM
💨
PM2.5 7.2 µg/m³
30Good
10:00 PM
💨
PM2.5 7.9 µg/m³
33Good
11:00 PM
💨
PM2.5 8.6 µg/m³
36Good
12:00 AM
💨
PM2.5 9.4 µg/m³
39Good
1:00 AM
💨
PM2.5 9.9 µg/m³
41Good
2:00 AM
💨
PM2.5 9.5 µg/m³
40Good
3:00 AM
💨
PM2.5 8.8 µg/m³
37Good
4:00 AM
💨
PM2.5 7.8 µg/m³
33Good
5:00 AM
💨
PM2.5 7.1 µg/m³
30Good
6:00 AM
💨
PM2.5 6.4 µg/m³
27Good
7:00 AM
💨
PM2.5 5.9 µg/m³
25Good
Next few days
daily max · US EPA AQI
Fri
💨
Good · UV Moderate
36
Sun
💨
Moderate · UV Moderate
56
Mon
💨
Moderate · UV High
74
Tue
💨
No data · UV High
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