Ballyfermot Seasonal Pollution
Ballyfermot usually records its highest OpenAQ-derived EPA AQI in November and its cleanest month in July. The page uses OpenAQ-derived daily history for 3 mapped monitoring locations in Dublin, Ireland.
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Average EPA AQI
37
Rank 9 of 20 cities by average AQI
PM2.5
7.7
ug/m3 annualized city average
Seasonality
November
Cleanest: July
Health indicator
0.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Ballyfermot
42
40
49
32
42
29
25
37
40
34
52
33
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Ballyfermot, the current global analytics build covers 339 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.