Coquimbo Seasonal Pollution
Coquimbo usually records its highest OpenAQ-derived EPA AQI in May and its cleanest month in October. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Coquimbo, Chile.
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Average EPA AQI
71
Rank 50 of 60 cities by average AQI
PM2.5
19.7
ug/m3 annualized city average
Seasonality
May
Cleanest: October
Health indicator
0.9
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Coquimbo
67
67
67
69
79
73
79
70
73
65
69
68
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Coquimbo, the current global analytics build covers 358 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.