Guanajuato Seasonal Pollution
Guanajuato usually records its highest OpenAQ-derived EPA AQI in May and its cleanest month in October. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Guanajuato, Mexico.
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Average EPA AQI
59
Rank 60 of 86 cities by average AQI
PM2.5
13.9
ug/m3 annualized city average
Seasonality
May
Cleanest: October
Health indicator
0.6
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Guanajuato
54
54
58
66
74
59
-
-
-
51
60
57
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Guanajuato, the current global analytics build covers 240 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.