Sarzeau Seasonal Pollution
Sarzeau usually records its highest OpenAQ-derived EPA AQI in October and its cleanest month in October. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Bretagne, France.
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Average EPA AQI
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Rank 272 of 272 cities by average AQI
PM2.5
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ug/m3 annualized city average
Seasonality
October
Cleanest: October
Health indicator
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cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
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Sarzeau
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What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Sarzeau, the current global analytics build covers 148 daily rows from 2024-05-31 to 2024-12-26. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.