Concepcion Seasonal Pollution
Concepcion usually records its highest OpenAQ-derived EPA AQI in July 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
78
Rank 43 of 60 cities by average AQI
PM2.5
23.2
ug/m3 annualized city average
Seasonality
July
Cleanest: November
Health indicator
1.1
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Concepcion
63
64
63
73
114
82
119
94
70
66
62
64
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Concepcion, the current global analytics build covers 354 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.