Ciudad Nezahualcóyotl Seasonal Pollution
Ciudad Nezahualcóyotl usually records its highest OpenAQ-derived EPA AQI in December and its cleanest month in October. The page uses OpenAQ-derived daily history for 3 mapped monitoring locations in México, Mexico.
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Average EPA AQI
81
Rank 20 of 86 cities by average AQI
PM2.5
25.1
ug/m3 annualized city average
Seasonality
December
Cleanest: October
Health indicator
1.1
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Ciudad Nezahualcóyotl
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68
84
84
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Ciudad Nezahualcóyotl, the current global analytics build covers 66 daily rows from 2024-10-18 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.