Bratislava Health Impact
Bratislava averaged 11.9 ug/m3 PM2.5, equal to 2.4x the WHO annual PM2.5 guideline and about 0.5 cigarettes per day by the simple AQI Now indicator. The page uses OpenAQ-derived daily history for 6 mapped monitoring locations in Bratislava, Slovakia.
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Average EPA AQI
51
Rank 31 of 40 cities by average AQI
PM2.5
11.9
ug/m3 annualized city average
Seasonality
March
Cleanest: April
Health indicator
0.5
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Bratislava
59
46
59
41
44
51
53
56
42
45
59
59
What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Bratislava, the current global analytics build covers 347 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.