Ljubljana Health Impact
Ljubljana averaged 14.5 ug/m3 PM2.5, equal to 2.9x the WHO annual PM2.5 guideline and about 0.7 cigarettes per day by the simple AQI Now indicator. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Ljubljana, Slovenia.
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Average EPA AQI
44
Rank 8 of 17 cities by average AQI
PM2.5
14.5
ug/m3 annualized city average
Seasonality
December
Cleanest: March
Health indicator
0.7
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Ljubljana
36
29
25
44
40
40
48
38
27
26
83
91
What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Ljubljana, the current global analytics build covers 361 daily rows from 2024-01-03 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.