Calibration and Application of the Integrated Assessment Tool RIAT+ for Air Quality Planning in the Po Valley

Bonafè, Giovanni Amorati, Roberta Bande, Stefano Ferrari, Fabrizio Maffeis, Giuseppe Stortini, MicheleAim of this work is to explore the uncertainty generated by using different source-receptor (S/R) functions in the air quality (AQ) planning, in terms of selecting the most cost-effective measures to improve AQ and reduce population exposure. Both technical and non-technical measures have been evaluated through the regional integrated assessment tool RIAT+. Applications of RIAT+ provides valuable information for drafting the local AQ plans. In Friuli-Venezia Giulia in order to reduce the population exposure to PM10 exceedances, priority should be given to measures concerning domestic heating, livestock, maritime and road traffic. Moreover, RIAT+ has been applied in the Po Valley to assess the impact on AQ of the COVID-19 lockdown.