Air quality in Calais
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
7.5 µg/m³
WHO guideline 15
PM10
9.3 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
4:00 PM
💨
PM2.5 7.5 µg/m³
85Moderate
5:00 PM
💨
PM2.5 8.4 µg/m³
83Moderate
6:00 PM
💨
PM2.5 8.9 µg/m³
81Moderate
7:00 PM
💨
PM2.5 8.8 µg/m³
80Moderate
8:00 PM
💨
PM2.5 8.5 µg/m³
76Moderate
9:00 PM
💨
PM2.5 8.2 µg/m³
71Moderate
10:00 PM
💨
PM2.5 7.8 µg/m³
65Moderate
11:00 PM
💨
PM2.5 7.9 µg/m³
58Moderate
12:00 AM
💨
PM2.5 8.3 µg/m³
55Moderate
1:00 AM
💨
PM2.5 8.6 µg/m³
51Moderate
2:00 AM
💨
PM2.5 9.1 µg/m³
48Good
3:00 AM
💨
PM2.5 9.3 µg/m³
49Good
Next few days
daily max · US EPA AQI
Mon
💨
Moderate · UV High
86
Tue
💨
Moderate · UV High
58
Fri
💨
Good · UV Moderate
41