Coyhaique Seasonal Pollution
Coyhaique usually records its highest OpenAQ-derived EPA AQI in May and its cleanest month in January. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Aysén, Chile.
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Average EPA AQI
117
Rank 1 of 60 cities by average AQI
PM2.5
51.5
ug/m3 annualized city average
Seasonality
May
Cleanest: January
Health indicator
2.3
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Coyhaique
64
65
88
130
228
188
161
154
95
86
79
71
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Coyhaique, 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.