Brno Health Impact
Brno averaged 13.1 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 3 mapped monitoring locations in South Moravian, Czech Republic.
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Average EPA AQI
54
Rank 23 of 61 cities by average AQI
PM2.5
13.1
ug/m3 annualized city average
Seasonality
December
Cleanest: May
Health indicator
0.6
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Brno
64
54
60
43
40
42
42
55
50
54
68
70
What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Brno, the current global analytics build covers 299 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.