#Scientists call for long-term research on ozone source apportionment
“#Scientists call for long-term research on ozone source apportionment” The 90th percentile of annual MDA8_O3 in (a) 2015 and the difference values during (b) 2015–16, (c) 2016–17, and (d) 2017–18 at the network of 1484 sites operated by the China Ministry of Ecology and Environment. Credit: Chinese Academy of Sciences Tropospheric ozone is produced via…