Chañaral Seasonal Pollution
Chañaral usually records its highest OpenAQ-derived EPA AQI in August and its cleanest month in November. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Atacama, Chile.
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Average EPA AQI
36
Rank 60 of 60 cities by average AQI
PM2.5
n/a
ug/m3 annualized city average
Seasonality
August
Cleanest: November
Health indicator
n/a
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Chañaral
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-
-
34
33
32
38
42
38
33
32
38
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Chañaral, the current global analytics build covers 245 daily rows from 2024-04-17 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.