Prague Health Impact
Prague averaged 13.2 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 5 mapped monitoring locations in Prague, Czech Republic.
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Average EPA AQI
51
Rank 32 of 61 cities by average AQI
PM2.5
13.2
ug/m3 annualized city average
Seasonality
January
Cleanest: September
Health indicator
0.6
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Prague
66
45
66
45
48
49
47
41
34
50
64
52
What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Prague, the current global analytics build covers 309 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.