SATELLITE-BASED OBSERVATIONS OF NO2 VERTICAL COLUMN DENSITIES HAVE ENABLED THE CONSTRUCTION OF LONG-TERM GLOBAL NO2 DATASETS AT REASONABLY HIGH SPATIAL RESOLUTION. THESE DATA ARE UNDERUTILIZED BY THE HEALTH AND AIR QUALITY COMMUNITIES HOWEVER WHO NEED GLOBAL SURFACE CONCENTRATIONS TO AUGMENT SPARSE GROUND MEASUREMENT NETWORKS. THE DEVELOPMENT OF AN NO2 SURFACE CONCENTRATION PRODUCT FROM THE SATELLITE RECORD WOULD HAVE TREMENDOUS APPLICABILITY FOR TROPOSPHERIC COMPOSITION HEALTH AND AIR QUALITY RESEARCH.
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The Johns Hopkins University