On Friday 21 November, the European Commission decided to refer Poland to the Court of Justice of the European Union for failing to maintain nitrogen dioxide (NO₂) levels below the limit values set under the Ambient Air Quality Directive (Directive 2008/50/EC).
The Member State is also criticised for failing to put in place measures to sufficiently shorten this period of exceedance, despite the fact that NO₂ levels have exceeded the limit values for fifteen and fourteen consecutive...