Fig. 2From: Spatiotemporal assessment of health burden and economic losses attributable to short-term exposure to ground-level ozone during 2015–2018 in ChinaThe city-specific nonattainment rate of CNAAQS Grade I (a - d) and Grade II (e - h) during 2015–2018. The map was generated using the ArcMap 10.5 software, and the shape file were built-in resources of the softwareBack to article page