Santurce-Antiguo Seasonal Pollution
Santurce-Antiguo usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in March. The page uses OpenAQ-derived daily history for 3 mapped monitoring locations in Basque Country, Spain.
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Average EPA AQI
35
Rank 115 of 253 cities by average AQI
PM2.5
7.5
ug/m3 annualized city average
Seasonality
January
Cleanest: March
Health indicator
0.3
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Santurce-Antiguo
59
40
22
34
34
38
36
31
29
32
44
33
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Santurce-Antiguo, the current global analytics build covers 312 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.