Air quality in Cornwall
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
21.2 µg/m³
WHO guideline 15
PM10
22.9 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
12:00 PM
💨
PM2.5 21.2 µg/m³
70Moderate
1:00 PM
💨
PM2.5 21.7 µg/m³
71Moderate
2:00 PM
💨
PM2.5 22.1 µg/m³
72Moderate
3:00 PM
💨
PM2.5 22.3 µg/m³
72Moderate
4:00 PM
💨
PM2.5 22.4 µg/m³
73Moderate
5:00 PM
💨
PM2.5 22.5 µg/m³
73Moderate
6:00 PM
💨
PM2.5 22.5 µg/m³
73Moderate
7:00 PM
💨
PM2.5 22 µg/m³
72Moderate
8:00 PM
💨
PM2.5 21.4 µg/m³
71Moderate
9:00 PM
💨
PM2.5 19.2 µg/m³
66Moderate
10:00 PM
💨
PM2.5 16.1 µg/m³
59Moderate
11:00 PM
💨
PM2.5 12.8 µg/m³
52Moderate
Next few days
daily max · US EPA AQI
Sun
💨
Moderate · UV Moderate
73
Mon
💨
Moderate · UV Moderate
70
Tue
💨
Good · UV Moderate
36
Thu
💨
No data · UV High
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