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Air

„Good air“ – what exactly is it? What can we do to improve it? What is being done to protect ecosystems against air pollutants, and which ones are harmful to health and how does it relate to the climate? The UBA provides information and regular updates on air quality.

Real nitrogen oxide emissions of diesel passenger cars remain too high

Stau in der Stadt.

Diesel passenger cars with Euro 3 to 6a/b/c emission standards continue to have elevated levels of nitrogen oxide emissions in real-world driving conditions. Their emissions greatly exceed the limit values set in the laboratory measuring cycle. Diesel passenger cars with Euro 6d-TEMP, however, comply with the limits specified by the EU, also in real world conditions. read more

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The Umweltbundesamt

For our environment