Key Chinese national and provincial level air quality agencies were required to prepare and submit plans for how to control regional air quality, taking into account multi-pollutant and cross-sectoral pollution control measures. Several Chinese universities are providing technical and scientific support to air quality agencies. Nanjing University asked RAP’s Chris James to provide advice to them and to the Chinese air quality regulators regarding how agencies in the US and EU have tackled multi-pollutant air quality planning.