Whitehorse Seasonal Pollution
Whitehorse usually records its highest OpenAQ-derived EPA AQI in February and its cleanest month in May. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Yukon, Canada.
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Average EPA AQI
22
Rank 137 of 158 cities by average AQI
PM2.5
4.5
ug/m3 annualized city average
Seasonality
February
Cleanest: May
Health indicator
0.2
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Whitehorse
29
32
30
26
13
20
20
25
14
19
14
21
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Whitehorse, the current global analytics build covers 340 daily rows from 2024-01-01 to 2025-01-01. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.