Cochrane Seasonal Pollution
Cochrane usually records its highest OpenAQ-derived EPA AQI in May and its cleanest month in January. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Aysén, Chile.
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Average EPA AQI
106
Rank 5 of 60 cities by average AQI
PM2.5
45.0
ug/m3 annualized city average
Seasonality
May
Cleanest: January
Health indicator
2.0
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Cochrane
63
66
-
142
195
158
-
-
-
81
71
63
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Cochrane, the current global analytics build covers 188 daily rows from 2024-01-19 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.