Hallein Health Impact
Hallein averaged 9.8 ug/m3 PM2.5, equal to 2.0x the WHO annual PM2.5 guideline and about 0.4 cigarettes per day by the simple AQI Now indicator. The page uses OpenAQ-derived daily history for 8 mapped monitoring locations in Salzburg, Austria.
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Average EPA AQI
18
Rank 46 of 68 cities by average AQI
PM2.5
9.8
ug/m3 annualized city average
Seasonality
December
Cleanest: May
Health indicator
0.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Hallein
16
13
18
8
7
11
11
11
8
12
45
47
What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Hallein, the current global analytics build covers 312 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.