Air quality in Yellowknife
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
11.1 µg/m³
WHO guideline 15
PM10
11.2 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
9:00 AM
💨
PM2.5 11.1 µg/m³
46Good
10:00 AM
💨
PM2.5 9.2 µg/m³
38Good
11:00 AM
💨
PM2.5 7.5 µg/m³
31Good
12:00 PM
💨
PM2.5 5.8 µg/m³
25Good
1:00 PM
💨
PM2.5 4.5 µg/m³
25Good
2:00 PM
💨
PM2.5 3.7 µg/m³
26Good
3:00 PM
💨
PM2.5 3.3 µg/m³
26Good
4:00 PM
💨
PM2.5 3.2 µg/m³
26Good
5:00 PM
💨
PM2.5 3.4 µg/m³
27Good
6:00 PM
💨
PM2.5 3.9 µg/m³
28Good
7:00 PM
💨
PM2.5 4.5 µg/m³
28Good
8:00 PM
💨
PM2.5 4.9 µg/m³
27Good
Next few days
daily max · US EPA AQI
Thu
💨
Unhealthy · UV Moderate
157
Fri
💨
Good · UV Moderate
36
Sat
💨
Moderate · UV Low
68
Sun
💨
Unhealthy for Sensitive Groups · UV Moderate
112
Mon
💨
Moderate · UV High
81