Valparaiso Seasonal Pollution
Valparaiso usually records its highest OpenAQ-derived EPA AQI in February and its cleanest month in November. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Valparaiso, Chile.
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Average EPA AQI
73
Rank 47 of 60 cities by average AQI
PM2.5
21.0
ug/m3 annualized city average
Seasonality
February
Cleanest: November
Health indicator
1.0
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Valparaiso
75
80
76
-
-
-
-
-
-
-
67
69
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Valparaiso, the current global analytics build covers 139 daily rows from 2024-01-01 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.