Article from 25.05.2021 | Last changed: 25.05.2021
Nitrogen dioxide
… For nitrogen dioxide, an hourly limit value of 200 µg/m 3 for protection of human health was established which may not to be exceeded more than 18 times per calendar … For nitrogen dioxide, an hourly limit value of 200 µg/m 3 for protection of human health was established which may not to be exceeded more than 18 times per calendar …