“…𝐸𝐹, 𝐹𝑄, 𝐸 𝑝𝑝 _𝑐𝑓 , and 𝐸 𝑝𝑝 are obtained from the literatureTong et al, 2018;Yun et al, 2020;MEE, 2020;Wang et al, 2020;Tang et al, 2020;Lin et al, 2021;Chen et al, 2022). More and more studies(Hodan et al, 2004;Chen et al, 2018; Zhang 225 et al, 2022) showed that in China, the proportion of secondary and primary PM2.5 mass to the total PM2.5 mass is close, so we assume that they account for 50% respectively. Figure2showed the emission reduction design for perturbed emissions.https://doi.org/10.5194/egusphere-2023-2615 Preprint.…”