Summer is the ozone season: The harmful gas forms at ground level on hot, sunny days. In recent years, however, the rise in ozone levels over the summer months has not been as pronounced in Germany as it was previously. According to a new study, this is primarily due to a reduction in nitrogen oxide emissions. This trend can be observed across Germany’s southwestern regions in particular, while Berlin lags behind.
Click here for original story, Ozone pollution in Germany falls thanks to lower nitrogen oxide emissions
Source: Phys.org