Andacollo Seasonal Pollution
Andacollo usually records its highest OpenAQ-derived EPA AQI in April and its cleanest month in August. The page uses OpenAQ-derived daily history for 3 mapped monitoring locations in Coquimbo, Chile.
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Average EPA AQI
39
Rank 59 of 60 cities by average AQI
PM2.5
n/a
ug/m3 annualized city average
Seasonality
April
Cleanest: August
Health indicator
n/a
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Andacollo
41
39
44
49
45
34
36
29
35
36
38
40
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Andacollo, the current global analytics build covers 367 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.