Fig. 1From: Spatiotemporal assessment of health burden and economic losses attributable to short-term exposure to ground-level ozone during 2015–2018 in ChinaThe city-specific annual 90th percentile daily maximum 8-h O3 concentrations in 2015 (a), 2016 (b), 2017 (c) and 2018 (d). The map was generated using the ArcMap 10.5 software, and the shape file were built-in resources of the softwareBack to article page