Medellin Seasonal Pollution
Medellin usually records its highest OpenAQ-derived EPA AQI in March and its cleanest month in July. The page uses OpenAQ-derived daily history for 5 mapped monitoring locations in Antioquia, Colombia.
Search city analytics
Average EPA AQI
74
Rank 4 of 13 cities by average AQI
PM2.5
21.5
ug/m3 annualized city average
Seasonality
March
Cleanest: July
Health indicator
1.0
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Medellin
73
75
98
84
67
63
63
68
76
-
-
-
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Medellin, the current global analytics build covers 248 daily rows from 2024-01-01 to 2024-09-05. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.