Editorial photo #4084108 Environmental Issue
Study Of Particulate Matter (PM) In Air Polluting Krakow
A graph showing an average daily concentrations of PM10 and PM2.5 in Krakow, during 2010-2015 period, seen during a live study of particulate matter (PM) found in air polluting Krakow. The air pollution analytical study is being carried out in Jagiellonian University, Krakow. On Thursday, March 7, 2019, in Krakow, Poland. (Photo by Artur Widak/NurPhoto)