Santo Tomas Seasonal Pollution
Santo Tomas usually records its highest OpenAQ-derived EPA AQI in December and its cleanest month in September. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Pampanga, Philippines.
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Average EPA AQI
220
Rank 1 of 8 cities by average AQI
PM2.5
143.4
ug/m3 annualized city average
Seasonality
December
Cleanest: September
Health indicator
6.5
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Santo Tomas
-
-
-
248
243
220
201
198
188
210
235
262
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Santo Tomas, the current global analytics build covers 250 daily rows from 2024-04-26 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.