Angra do Heroísmo Health Impact
Angra do Heroísmo averaged 2.7 ug/m3 PM2.5, equal to 0.5x the WHO annual PM2.5 guideline and about 0.1 cigarettes per day by the simple AQI Now indicator. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Azores, Portugal.
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Average EPA AQI
Rank 52 of 58 cities by average AQI
PM2.5
2.7
ug/m3 annualized city average
Seasonality
November
Cleanest: December
Health indicator
0.1
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Angra do Heroísmo, the current global analytics build covers 94 daily rows from 2024-09-20 to 2024-12-30. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.