“…The meteorological data were sorted in climatically homogeneous reference periods for the comparison of the different scenarios, namely, no limitations, considered PL and TL. This aspect is essential considering that weather phenomena have a massive influence on air quality (Baklanov et al, 2016;Borge et al, 2019;Demuzere et al, 2009;Jhun et al, 2015;Zhao et al, 2019). January was not considered suitable for the identification of the reference period due to the high relative humidity, and low average temperatures (Table S3), different conditions than PL and TL which would have led to an imbalance in the comparison of some polluting agent trends (e.g.…”