Postojna Health Impact
Postojna averaged 11.0 ug/m3 PM2.5, equal to 2.2x 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 1 mapped monitoring location in Postojna, Slovenia.
Search city analytics
Average EPA AQI
49
Rank 3 of 17 cities by average AQI
PM2.5
11.0
ug/m3 annualized city average
Seasonality
November
Cleanest: September
Health indicator
0.5
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Postojna
-
-
-
-
-
-
-
55
39
43
59
49
What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Postojna, the current global analytics build covers 154 daily rows from 2024-07-31 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.