Highest air pollution Jena, today and tomorrow

Today (30 June): Air quality in Jena 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: 35.8/100).
Tomorrow (1 July 2026): Air quality in Jena is fair. All pollutants stay as today. Pollution peaks around 7:00 PM (O3: 29.0/100). 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

Jena's air quality reflects the Saale river valley's topographic enclosure between the Thuringian Forest uplands, with vehicle traffic on the A4 motorway and the surrounding optical precision and university research industry contributing local sources. The valley's partial enclosure concentrates emissions under calm winter conditions, while Atlantic westerlies provide the primary ventilation corridor on most days.

Today - 30 June | Pollution peaks at 18:00

AQI:

Fair

35.8/100

PM2.5 (fine particles):

Good

8.1/100

PM10 (coarse particles):

Good

2.5/100

NO2 (nitrogen dioxide):

Fair

25.9/100

O3 (ozone):

Fair

35.8/100

SO2 (sulfur dioxide):

Good

4.5/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

3.6/100

PM1 (ultrafine particles):

Good

9.6/100

Levels show the poorest local air quality during the day

Tomorrow - 1 July | Pollution peaks at 19:00

AQI:

Fair

29.0/100

PM2.5 (fine particles):

Good

5.5/100

PM10 (coarse particles):

Good

1.6/100

NO2 (nitrogen dioxide):

Fair

25.5/100

O3 (ozone):

Fair

29.0/100

SO2 (sulfur dioxide):

Good

2.2/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

2.7/100

PM1 (ultrafine particles):

Good

6.9/100

Pollen forecast in Jena

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Frequently Asked Questions

Is air quality bad in Jena right now?

On 30 June 2026, overall air quality in Jena is fair. AQI is the main air quality indicator at 35.8/100. Pollution peaks around 6:00 PM (O3: 35.8/100).

Will air quality be worse tomorrow in Jena?

On 1 July 2026, air quality conditions in Jena will be similar to today, with AQI forecast at fair at 29.0/100. Pollution peaks around 7:00 PM (O3: 29.0/100).

Are air quality levels in Jena 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