Highest air pollution Weimar, today and tomorrow
Today (30 June): Air quality in Weimar is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 6:00 PM (O3: 35.5/100).
Tomorrow (1 July 2026): Air quality in Weimar is fair. All pollutants stay as today. Pollution peaks around 6:00 PM (O3: 30.1/100). Airmine updates local air quality forecasts four times daily.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
Weimar's air quality reflects the Ilm river valley in the Thuringian highland foreland, with vehicle traffic on the A4 motorway and surrounding manufacturing and cultural tourism operations contributing local sources in this UNESCO heritage Bauhaus city. The Thuringian Forest uplands create topographic variation, while the Ilm valley's partial enclosure can concentrate emissions under calm winter conditions and the A4 freight corridor generates consistent diesel PM2.5 alongside the primary local sources.
Today - 30 June | Pollution peaks at 18:00
AQI:
Fair
35.5/100
PM2.5 (fine particles):
Good
8.7/100
PM10 (coarse particles):
Good
2.7/100
NO2 (nitrogen dioxide):
Fair
23.2/100
O3 (ozone):
Fair
35.5/100
SO2 (sulfur dioxide):
Good
3.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.5/100
PM1 (ultrafine particles):
Good
10.4/100
Levels show the poorest local air quality during the day
Tomorrow - 1 July | Pollution peaks at 18:00
AQI:
Fair
30.1/100
PM2.5 (fine particles):
Good
5.1/100
PM10 (coarse particles):
Good
1.5/100
NO2 (nitrogen dioxide):
Fair
26.3/100
O3 (ozone):
Fair
30.1/100
SO2 (sulfur dioxide):
Good
1.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.2/100
PM1 (ultrafine particles):
Good
6.0/100
Pollen forecast in Weimar
View pollen forecastFrequently Asked Questions
Is air quality bad in Weimar right now?
On 30 June 2026, overall air quality in Weimar is fair. AQI is the main air quality indicator at 35.5/100. Pollution peaks around 6:00 PM (O3: 35.5/100).
Will air quality be worse tomorrow in Weimar?
On 1 July 2026, air quality conditions in Weimar will be similar to today, with AQI forecast at fair at 30.1/100. Pollution peaks around 6:00 PM (O3: 30.1/100).
Are air quality levels in Weimar 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: 30 June 2026 at 13:05 CET (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
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team