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  • Press release 4/2017 from 31.01.2017 | Last changed: 27.03.2017

    Air quality 2016: Nitrogen dioxide still the top pollutant

    traffic jam in the city

    … station near traffic. The UBA is nevertheless concerned: The 20 µg/m 3 annual mean guideline value recommended by the World Health Organization (WHO) was exceeded at … project KLENOS has calculated that the number of days on which ozone levels exceed guideline values (days with a maximum 8-hour mean value of 120 µg/m 3 ) will …

  • KomPass: Article from 28.11.2023 | Last changed: 08.12.2025

    Cluster Tourism industry

    The picture shows a man from behind. He is wearing a T shirt and short trousers. He is walking through a wood carrying a rucksack. To the right and left of the path, white flowers are blooming beneath the trees.

    … with responsibility in the practical application of tourism, the project produced a guideline for the adaptation to climate change in destinations as well as other … with responsibility in the practical application of tourism, the project produced a guideline for the adaptation to climate change in destinations as well as other …

  • Press release 04/2021 from 16.02.2021 | Last changed: 29.04.2021

    Air quality 2020: Only a few cities still exceed nitrogen dioxide limit

    Stau

    … revising its recommendations to ensure better protection of health. The current WHO guideline states that PM10 concentrations should not exceed an annual mean of 20 … around 12 percent (2019: 36 percent) of all measuring stations in Germany. The WHO guidelines for the even smaller PM2.5 particulate matter were exceeded even more …

  • Press release 07/2025 from 20.02.2025 | Last changed: 24.02.2025

    In 2024, all air quality limits met for the first time

    Stau

    … air pollution. The World Health Organisation (WHO) recommends significantly lower guideline values to protect health. New limit values from 2030 The revised European … In the long term, the limit values are to be fully harmonised with the WHO guideline values. To this end, the new Air Quality Directive stipulates that the …