Worst air pollution Hallein, today and tomorrow
Today (16 July): Air quality in Hallein is medium. AQI, NO2, and O3 are medium; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 5:00 PM (O3: 43.3/100).
Tomorrow (17 July 2026): Air quality in Hallein is fair. O3 increases to fair; all other pollutants stay as today. Pollution peaks around 1:00 AM (NO2: 44.4/100). Airmine updates local air quality forecasts four times daily.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Hallein's air quality reflects its narrow Salzach valley position south of Salzburg, with vehicle traffic on the B159 and legacy salt industry contributing local sources. Winter inversions can trap emissions in this valley.
Today - 16 July | Pollution peaks at 17:00
AQI:
Medium
43.3/100
PM2.5 (fine particles):
Good
14.7/100
PM10 (coarse particles):
Good
6.0/100
NO2 (nitrogen dioxide):
Medium
42.0/100
O3 (ozone):
Medium
43.3/100
SO2 (sulfur dioxide):
Good
1.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
8.2/100
PM1 (ultrafine particles):
Good
17.1/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 01:00
AQI:
Medium
44.4/100
PM2.5 (fine particles):
Good
14.0/100
PM10 (coarse particles):
Good
4.4/100
NO2 (nitrogen dioxide):
Medium
44.4/100
O3 (ozone):
Fair
38.9/100
SO2 (sulfur dioxide):
Good
0.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
7.6/100
PM1 (ultrafine particles):
Good
17.7/100
Pollen forecast in Hallein
View pollen forecastAir quality forecasts for neighbourhoods and landmarks in Hallein
Frequently Asked Questions
Is air quality bad in Hallein right now?
On 16 July 2026, overall air quality in Hallein is medium. AQI is the main air quality indicator at 43.3/100. Pollution peaks around 5:00 PM (O3: 43.3/100).
Will air quality be worse tomorrow in Hallein?
On 17 July 2026, air quality conditions in Hallein will be worse than today, with O3 forecast at fair at 38.9/100. Pollution peaks around 1:00 AM (NO2: 44.4/100).
When is air pollution at its worst in Hallein?
The worst conditions at Hallein usually appear during still winter spells, as vehicle traffic and tourism become trapped by the surrounding ridges under a basin inversion. Conditions improve markedly through spring and summer as winds pick up, aside from occasional ozone spikes in prolonged heat. Autumn is typically calm and comparatively clear.
Are air quality levels in Hallein based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
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Data provided by Airmine — Last update: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
For long term forecasts and maps, see the Airmine app