Press release 03/2016 from 29.01.2016 | Last changed: 23.01.2017
Air quality 2015: Nitrogen dioxide pollution still too heavy
… Higher ozone levels for the first time in years; much lower particulate levels than 2014 Diesel engines in road traffic are a major source of nitrogen dioxide Source: … Higher ozone levels for the first time in years; much lower particulate levels than 2014 … Air quality 2015: Nitrogen dioxide pollution still too heavy …