Cranbrook Seasonal Pollution
Cranbrook usually records its highest OpenAQ-derived EPA AQI in July and its cleanest month in May. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in British Columbia, Canada.
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Average EPA AQI
35
Rank 43 of 158 cities by average AQI
PM2.5
7.2
ug/m3 annualized city average
Seasonality
July
Cleanest: May
Health indicator
0.3
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Cranbrook
39
34
31
24
20
22
48
45
32
35
48
43
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Cranbrook, the current global analytics build covers 360 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.