Mérida Health Impact
Mérida averaged 19.9 ug/m3 PM2.5, equal to 4.0x the WHO annual PM2.5 guideline and about 0.9 cigarettes per day by the simple AQI Now indicator. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Yucatán, Mexico.
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Average EPA AQI
69
Rank 42 of 86 cities by average AQI
PM2.5
19.9
ug/m3 annualized city average
Seasonality
July
Cleanest: October
Health indicator
0.9
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Mérida
-
-
-
65
77
59
110
61
-
56
-
-
What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Mérida, the current global analytics build covers 43 daily rows from 2024-04-02 to 2024-10-16. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.