San Gabriel Seasonal Pollution
San Gabriel usually records its highest OpenAQ-derived EPA AQI in June and its cleanest month in July. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Carchi, Ecuador.
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Average EPA AQI
47
Rank 2 of 2 cities by average AQI
PM2.5
10.6
ug/m3 annualized city average
Seasonality
June
Cleanest: July
Health indicator
0.5
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
San Gabriel
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43
63
35
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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 Gabriel, the current global analytics build covers 67 daily rows from 2024-05-10 to 2024-07-28. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.