Lalín Seasonal Pollution
Lalín usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in July. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Galicia, Spain.
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Average EPA AQI
25
Rank 160 of 253 cities by average AQI
PM2.5
4.8
ug/m3 annualized city average
Seasonality
January
Cleanest: July
Health indicator
0.2
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Lalín
46
29
35
31
25
23
10
11
16
15
34
44
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Lalín, the current global analytics build covers 300 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.