San Fernando Seasonal Pollution
San Fernando usually records its highest OpenAQ-derived EPA AQI in August 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
69
Rank 3 of 8 cities by average AQI
PM2.5
19.0
ug/m3 annualized city average
Seasonality
August
Cleanest: September
Health indicator
0.9
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
San Fernando
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77
64
69
68
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What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For San Fernando, the current global analytics build covers 108 daily rows from 2024-08-13 to 2024-11-28. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.