Figure 7
From: Spatial and temporal variations of air quality and six air pollutants in China during 2015–2017
Regional differences in annual mean O3 concentration (μg/m3) over mainland China between 2017 and 2015.
Figure 7 | Scientific Reports
From: Spatial and temporal variations of air quality and six air pollutants in China during 2015–2017
Regional differences in annual mean O3 concentration (μg/m3) over mainland China between 2017 and 2015.
