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Yellowknife, NT Air Quality

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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.

US AQI · EPA
40
Good
PM2.5
0.3 µg/m³
WHO guideline 15
PM10
0.4 µg/m³
WHO guideline 45
NO₂ · O₃
0 · 84
µg/m³

Hour by hour (12h)

US EPA AQI
7:00 PM 💨 PM2.5 0.3 µg/m³
40Good
8:00 PM 💨 PM2.5 0.3 µg/m³
40Good
9:00 PM 💨 PM2.5 0.3 µg/m³
39Good
10:00 PM 💨 PM2.5 0.3 µg/m³
39Good
11:00 PM 💨 PM2.5 0.3 µg/m³
40Good
12:00 AM 💨 PM2.5 0.3 µg/m³
40Good
1:00 AM 💨 PM2.5 0.3 µg/m³
39Good
2:00 AM 💨 PM2.5 0.3 µg/m³
39Good
3:00 AM 💨 PM2.5 0.4 µg/m³
38Good
4:00 AM 💨 PM2.5 0.4 µg/m³
36Good
5:00 AM 💨 PM2.5 0.3 µg/m³
34Good
6:00 AM 💨 PM2.5 0.3 µg/m³
33Good

Next few days

daily max · US EPA AQI
Fri 💨 Good · UV Low
40
Sat 💨 Good · UV Low
40
Sun 💨 Good · UV Low
35
Mon 💨 Good · UV Low
33
Tue 💨 Good · UV Low
34

Weather map — Yellowknife

Yellowknife →
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Updated: 7:38 PM