Concón Seasonal Pollution
Concón usually records its highest OpenAQ-derived EPA AQI in July and its cleanest month in January. The page uses OpenAQ-derived daily history for 5 mapped monitoring locations in Valparaiso, Chile.
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Average EPA AQI
75
Rank 45 of 60 cities by average AQI
PM2.5
21.7
ug/m3 annualized city average
Seasonality
July
Cleanest: January
Health indicator
1.0
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Concón
68
70
73
73
80
78
90
74
74
71
70
76
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Concón, the current global analytics build covers 365 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.