Quillota Seasonal Pollution
Quillota usually records its highest OpenAQ-derived EPA AQI in July and its cleanest month in February. The page uses OpenAQ-derived daily history for 3 mapped monitoring locations in Valparaiso, Chile.
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Average EPA AQI
86
Rank 33 of 60 cities by average AQI
PM2.5
27.7
ug/m3 annualized city average
Seasonality
July
Cleanest: February
Health indicator
1.3
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Quillota
69
68
74
77
107
104
134
93
85
71
70
74
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Quillota, the current global analytics build covers 353 daily rows from 2024-01-01 to 2025-01-01. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.