Douglas Seasonal Pollution
Douglas usually records its highest OpenAQ-derived EPA AQI in March and its cleanest month in February. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Cork, Ireland.
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Average EPA AQI
46
Rank 3 of 20 cities by average AQI
PM2.5
10.6
ug/m3 annualized city average
Seasonality
March
Cleanest: February
Health indicator
0.5
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Douglas
54
33
56
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What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Douglas, the current global analytics build covers 70 daily rows from 2024-01-01 to 2024-03-11. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.