Air quality in Freetown
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
4.6 µg/m³
WHO guideline 15
PM10
4.6 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
12:00 PM
💨
PM2.5 4.6 µg/m³
53Moderate
1:00 PM
💨
PM2.5 4.1 µg/m³
53Moderate
2:00 PM
💨
PM2.5 3.8 µg/m³
51Moderate
3:00 PM
💨
PM2.5 3.9 µg/m³
51Moderate
4:00 PM
💨
PM2.5 3.8 µg/m³
50Good
5:00 PM
💨
PM2.5 3.6 µg/m³
49Good
6:00 PM
💨
PM2.5 3.9 µg/m³
45Good
7:00 PM
💨
PM2.5 4.7 µg/m³
40Good
8:00 PM
💨
PM2.5 6.1 µg/m³
35Good
9:00 PM
💨
PM2.5 6.2 µg/m³
33Good
10:00 PM
💨
PM2.5 6.3 µg/m³
32Good
11:00 PM
💨
PM2.5 6.4 µg/m³
31Good
Next few days
daily max · US EPA AQI
Wed
💨
Moderate · UV High
53
Thu
💨
Moderate · UV High
71
Fri
💨
Moderate · UV High
71
Sun
💨
Moderate · UV High
57