South Huron Seasonal Pollution
South Huron usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in November. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Ontario, Canada.
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Average EPA AQI
32
Rank 71 of 158 cities by average AQI
PM2.5
6.1
ug/m3 annualized city average
Seasonality
January
Cleanest: November
Health indicator
0.3
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
South Huron
43
38
24
24
30
31
39
39
34
28
23
31
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For South Huron, the current global analytics build covers 365 daily rows from 2024-01-01 to 2024-12-31. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.