Fig. 1: Annual average frequency of Sand and Dust Storms (SDS) events in study county, 2013–2018.
From: Mortality risks from a spectrum of causes associated with sand and dust storms in China

Circles represent study counties. The colors of the circles represent the annual average frequency of SDS events for each county. The base map is the distribution of China’s provinces, which was drawn based on the map data [Map Content Approval Number: GS (2022) No. 1873] from the official website of the Ministry of Civil Affairs of the People’s Republic of China (http://xzqh.mca.gov.cn/map). Source data are provided as a Source Data file.