Zumárraga Health Impact
Zumárraga averaged 9.2 ug/m3 PM2.5, equal to 1.8x the WHO annual PM2.5 guideline and about 0.4 cigarettes per day by the simple AQI Now indicator. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Basque Country, Spain.
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Average EPA AQI
45
Rank 45 of 253 cities by average AQI
PM2.5
9.2
ug/m3 annualized city average
Seasonality
January
Cleanest: March
Health indicator
0.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Zumárraga
66
46
35
44
44
47
45
47
41
42
52
44
What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Zumárraga, the current global analytics build covers 285 daily rows from 2024-01-29 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.