When the nation’s leading experts in weather, water, and climate gather in Baltimore later this month for the annual conference of the American Meteorological Society (AMS), they will get a close-up view of the region’s fragile environment.

Today, Nature Communications published a study entitled "First close insight into global daily gapless 1-km PM2.5 pollution, variability, and health impact" by Jing Wei (Assistant Research Scientist) and Zhanqing Li (Distinguished University Professor) of the University of Maryland, USA and collaborators from the US and foreign institutes.