Waterford Seasonal Pollution
Waterford usually records its highest OpenAQ-derived EPA AQI in March and its cleanest month in December. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Waterford, Ireland.
Search city analytics
Average EPA AQI
33
Rank 13 of 20 cities by average AQI
PM2.5
6.7
ug/m3 annualized city average
Seasonality
March
Cleanest: December
Health indicator
0.3
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Waterford
38
27
47
35
37
28
21
37
41
39
44
14
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Waterford, the current global analytics build covers 289 daily rows from 2024-01-29 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.