Mexico City AQI Trends
Mexico City AQI was measured across 2024-2025, with a trend delta of n/a AQI points. The page uses OpenAQ-derived daily history for 3 mapped monitoring locations in Ciudad de México, Mexico.
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Average EPA AQI
86
Rank 14 of 86 cities by average AQI
PM2.5
27.4
ug/m3 annualized city average
Seasonality
May
Cleanest: October
Health indicator
1.2
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Mexico City
77
77
100
98
118
77
74
-
-
69
81
85
What this trends page measures
Compare yearly air-quality direction, best years, worst years, and trend deltas.
For Mexico City, the current global analytics build covers 261 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.