Nogales Health Impact
Nogales averaged 12.9 ug/m3 PM2.5, equal to 2.6x the WHO annual PM2.5 guideline and about 0.6 cigarettes per day by the simple AQI Now indicator. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Sonora, Mexico.
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Average EPA AQI
57
Rank 62 of 86 cities by average AQI
PM2.5
12.9
ug/m3 annualized city average
Seasonality
December
Cleanest: July
Health indicator
0.6
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Nogales
61
55
47
45
55
45
42
44
56
77
69
89
What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Nogales, the current global analytics build covers 365 daily rows from 2024-01-01 to 2024-12-31. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.