Worst air pollution Graz, today and tomorrow
Today (16 July): Air quality in Graz is fair. NO2 is fair; AQI and O3 are medium; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 4:00 PM (O3: 46.2/100).
Tomorrow (17 July 2026): Air quality in Graz is fair. All pollutants stay as today. Pollution peaks around 12:00 PM (O3: 47.3/100). 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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Graz's air quality faces Austria's most persistent urban challenge, with the city's enclosed Mur valley basin surrounded by the Styrian Alps and the Dachstein plateau creating a severe topographic pollution trap. Diesel traffic on the A2 South Autobahn and residential wood burning generate elevated PM2.5 and NO₂, while winter temperature inversions in the valley can produce multi-day pollution episodes making Graz consistently Austria's most air quality-challenged major city.
Today - 16 July | Pollution peaks at 16:00
AQI:
Medium
46.2/100
PM2.5 (fine particles):
Good
7.6/100
PM10 (coarse particles):
Good
3.5/100
NO2 (nitrogen dioxide):
Fair
25.2/100
O3 (ozone):
Medium
46.2/100
SO2 (sulfur dioxide):
Good
1.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
8.0/100
PM1 (ultrafine particles):
Good
8.9/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 12:00
AQI:
Medium
47.3/100
PM2.5 (fine particles):
Good
12.6/100
PM10 (coarse particles):
Good
3.6/100
NO2 (nitrogen dioxide):
Fair
28.3/100
O3 (ozone):
Medium
47.3/100
SO2 (sulfur dioxide):
Good
1.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
9.8/100
PM1 (ultrafine particles):
Good
17.0/100
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Frequently Asked Questions
Is air quality bad in Graz right now?
On 16 July 2026, overall air quality in Graz is fair. NO2 is the main pollutant at 25.2/100. Pollution peaks around 4:00 PM (O3: 46.2/100).
Will air quality be worse tomorrow in Graz?
On 17 July 2026, air quality conditions in Graz will be similar to today, with NO2 forecast at fair at 28.3/100. Pollution peaks around 12:00 PM (O3: 47.3/100).
When is air pollution at its worst in Graz?
The poorest air quality at Graz tends to occur during still winter conditions, as vehicle traffic and legacy industry become trapped by the surrounding hills under a basin inversion. Conditions improve through spring and summer as winds return, aside from occasional ozone spikes during prolonged heat. Autumn is typically calm and comparatively clear.
Are air quality levels in Graz 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.
Want to see air quality forecasts for other cities in Austria?
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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