Figure 5
From: Spatial and temporal variations of air quality and six air pollutants in China during 2015–2017
Regional differences in annual mean NO2 concentrations (μg/m3) over mainland China between 2017 and 2015.
Figure 5 | Scientific Reports
From: Spatial and temporal variations of air quality and six air pollutants in China during 2015–2017
Regional differences in annual mean NO2 concentrations (μg/m3) over mainland China between 2017 and 2015.
