Valdivia Seasonal Pollution
Valdivia usually records its highest OpenAQ-derived EPA AQI in July and its cleanest month in December. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Los Ríos, Chile.
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Average EPA AQI
88
Rank 30 of 60 cities by average AQI
PM2.5
29.5
ug/m3 annualized city average
Seasonality
July
Cleanest: December
Health indicator
1.3
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Valdivia
62
60
63
79
126
100
138
133
109
73
60
59
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Valdivia, the current global analytics build covers 366 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.