Sligo Seasonal Pollution
Sligo usually records its highest OpenAQ-derived EPA AQI in November and its cleanest month in July. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Sligo, Ireland.
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Average EPA AQI
41
Rank 6 of 20 cities by average AQI
PM2.5
9.2
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
Sligo
-
-
58
37
45
36
29
32
38
39
61
55
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Sligo, the current global analytics build covers 261 daily rows from 2024-03-20 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.