Cape Breton Seasonal Pollution
Cape Breton usually records its highest OpenAQ-derived EPA AQI in August and its cleanest month in May. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Nova Scotia, Canada.
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Average EPA AQI
22
Rank 136 of 158 cities by average AQI
PM2.5
4.1
ug/m3 annualized city average
Seasonality
August
Cleanest: May
Health indicator
0.2
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Cape Breton
25
21
22
21
17
20
25
29
21
22
-
-
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Cape Breton, the current global analytics build covers 287 daily rows from 2024-01-01 to 2024-10-15. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.