Cold Lake Seasonal Pollution
Cold Lake usually records its highest OpenAQ-derived EPA AQI in July and its cleanest month in April. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Alberta, Canada.
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Average EPA AQI
39
Rank 23 of 158 cities by average AQI
PM2.5
10.9
ug/m3 annualized city average
Seasonality
July
Cleanest: April
Health indicator
0.5
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Cold Lake
38
28
21
19
26
22
99
70
49
26
31
43
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Cold Lake, the current global analytics build covers 366 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.