Areas of exceedance of Air Quality Limits

The figure ‘areas of exceedance of air quality limits’ makes it possible to clearly identify municipalities in Piedmont which have exceeded air quality limits or are at risk of being exceeded (as defined in Article 2 of Legislative Decree No 155 of 13 August 2010 ‘Implementation of Directive 2008/50/EC on ambient air quality and cleaner air for Europe’ with regard to the pollutants referred to in Annexes XI and XIII to that Decree). air quality used for reporting exceedances to the European Commission (ex Article 27 of the DIR 2008/50/EC) and their situation regarding the exceedances of air quality limits for the most critical parameters (the 2004 zone code refers to zoning in force since 2004 and by the 2013 zone code that in force to date).The chemical parameters (pollutants) considered are currently the most critical in Piedmont, in other words:- the daily average (maximum 35 days above 50 mcg/mc) of PM10 fine dust;- the annual average (less than 40 mcg/mc) of PM10 fine dust;- the annual average (less than 40 mcg/mc) of nitrogen dioxide NO2.In order to identify the municipalities, the municipalities were analysed for the five-year period 2009-2013, and the municipalities that for at least 3 years over 5 years have exceeded at least one of the three limits placed to protect human health, corresponding to the daily and annual average of PM10 or the annual average of NO2 have been identified.