9 February 2010
Dear Commissioner Potočnik
Subject: Breach of NO2 hourly limit values in London
First please allow us to congratulate you on your confirmation today as Commissioner for environment. We are writing to you on your first day in office to request that you keep the implementation of European air quality standards in London at the very top of your agenda.
NO2 limit values which came into force just over a month ago on 1 January 2010 as stipulated by directive 2008/50/EC and earlier legislation state that NO2 cannot exceed 200 µg per cubic metre more than 18 times in a calendar year.