Figure 3.
PM2.5 concentrations averaged over the period 15–26 February 2020 for the 110 Italian Provinces (A); incidence of COVID-19 (B), mortality rate (C) and case fatality risk (D) over the period 20 February–31 March 2020.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.