A test web application to visualize and explore spatiotemporal variations in PM 2.5 concentrations for urban areas at a global scale. The datasets used in the app were created by the Atmospheric Composition Analysis Group at Dalhousie University (more information can be found here: http://fizz.phys.dal.ca/~atmos/martin/?page_id=140)
This is the link to the application: https://tirthankarchakraborty.users.earthengine.app/view/pmexplorer