Morelia Seasonal Pollution
Morelia usually records its highest OpenAQ-derived EPA AQI in May and its cleanest month in October. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Michoacán, Mexico.
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Average EPA AQI
75
Rank 28 of 86 cities by average AQI
PM2.5
23.7
ug/m3 annualized city average
Seasonality
May
Cleanest: October
Health indicator
1.1
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Morelia
71
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-
-
131
-
68
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67
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What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Morelia, the current global analytics build covers 45 daily rows from 2024-01-01 to 2024-12-25. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.