Monterrey AQI Trends
Monterrey AQI was measured in 2024, with a trend delta of n/a AQI points. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Nuevo Leon, Mexico.
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Average EPA AQI
72
Rank 36 of 86 cities by average AQI
PM2.5
25.9
ug/m3 annualized city average
Seasonality
January
Cleanest: April
Health indicator
1.2
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Monterrey
95
67
72
52
73
65
74
-
-
65
85
73
What this trends page measures
Compare yearly air-quality direction, best years, worst years, and trend deltas.
For Monterrey, the current global analytics build covers 100 daily rows from 2024-01-01 to 2024-12-20. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.