Pollutants (NO 2, PM 10, O 3, NO, SO 2) were compared toĮxpected concentrations derived from the Copernicus Atmosphere Monitoring The other hand, ground-level measured concentrations of atmospheric Observations performed in Ispra were compared to their 3-year averages. On the one hand, intensiveĪerosol variables determined from specific aerosol characterisation Observations using two different approaches. In the Milan conurbation (urban background) with expected values for these The regional environmental protection agency (ARPA) air monitoring stations On air quality in northern Italy, we compared observations from the EuropeanĬommission Atmospheric Observatory of Ispra (regional background) and from To determine the specific impact of lockdown measures
That time was actually related to these lockdown measures withoutĬonsidering that seasonal variations in emissions and meteorology also Several communications claimed in theįirst weeks of March 2020 that the mitigation in air pollution observed at Italy) from 23 February 2020 led to a downturn in several economic sectors The COVID-19 lockdown measures gradually implemented in Lombardy (northern
