5 of Toscano and Murena (2021) , a decreasing trend respect to NO 2 , and a less evident one for PM 10 and PM 2.5 is registered in the period ranging from 2003 to 2019.
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5 of Toscano and Murena (2021) , a decreasing trend respect to NO 2 , and a less evident one for PM 10 and PM 2.5 is registered in the period ranging from 2003 to 2019.