Ciudad Santa Catarina Seasonal Pollution
Ciudad Santa Catarina usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in June. The page uses OpenAQ-derived daily history for 3 mapped monitoring locations in Nuevo Leon, Mexico.
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Average EPA AQI
69
Rank 41 of 86 cities by average AQI
PM2.5
21.3
ug/m3 annualized city average
Seasonality
January
Cleanest: June
Health indicator
1.0
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Ciudad Santa Catarina
93
75
74
67
79
33
53
51
-
74
74
70
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Ciudad Santa Catarina, the current global analytics build covers 120 daily rows from 2024-01-01 to 2024-12-24. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.