Puerto Montt Seasonal Pollution
Puerto Montt usually records its highest OpenAQ-derived EPA AQI in May and its cleanest month in December. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Los Lagos, Chile.
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Average EPA AQI
90
Rank 28 of 60 cities by average AQI
PM2.5
30.7
ug/m3 annualized city average
Seasonality
May
Cleanest: December
Health indicator
1.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Puerto Montt
65
69
72
86
127
101
126
124
102
74
70
60
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Puerto Montt, the current global analytics build covers 359 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.