Worst air pollution Steyr, today and tomorrow
Today (16 July): Air quality in Steyr is medium. AQI, NO2, and O3 are medium; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 6:00 PM (O3: 52.0/100).
Tomorrow (17 July 2026): Air quality in Steyr is medium. All pollutants stay as today. Pollution peaks around 1:00 AM (NO2: 46.8/100). 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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Steyr's air quality reflects its industrial legacy at the Enns-Steyr confluence, with vehicle traffic and manufacturing operations — historically vehicle production — contributing local PM2.5. The valley setting can trap emissions under inversions.
Today - 16 July | Pollution peaks at 18:00
AQI:
Medium
52.0/100
PM2.5 (fine particles):
Good
15.4/100
PM10 (coarse particles):
Good
7.5/100
NO2 (nitrogen dioxide):
Medium
42.0/100
O3 (ozone):
Medium
52.0/100
SO2 (sulfur dioxide):
Good
3.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
7.1/100
PM1 (ultrafine particles):
Good
15.4/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 01:00
AQI:
Medium
46.8/100
PM2.5 (fine particles):
Good
13.1/100
PM10 (coarse particles):
Good
5.1/100
NO2 (nitrogen dioxide):
Medium
46.8/100
O3 (ozone):
Medium
40.5/100
SO2 (sulfur dioxide):
Good
2.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
9.4/100
PM1 (ultrafine particles):
Good
15.5/100
Pollen forecast in Steyr
View pollen forecastAir quality forecasts for neighbourhoods and landmarks in Steyr
Frequently Asked Questions
Is air quality bad in Steyr right now?
On 16 July 2026, overall air quality in Steyr is medium. AQI is the main air quality indicator at 52.0/100. Pollution peaks around 6:00 PM (O3: 52.0/100).
Will air quality be worse tomorrow in Steyr?
On 17 July 2026, air quality conditions in Steyr will be similar to today, with AQI forecast at medium at 46.8/100. Pollution peaks around 1:00 AM (NO2: 46.8/100).
When is air pollution at its worst in Steyr?
Winter is the trickiest season for air quality at Steyr, as vehicle traffic and light industry accumulate under calm, cold morning inversions. Spring and summer bring stronger, more variable winds and generally better conditions, save for the odd hot-weather ozone peak. Autumn is typically another comparatively mild period.
Are air quality levels in Steyr 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