Group 1 - The joint action for air pollution prevention in major engineering projects in Suzhou marks the first comprehensive inspection by multiple departments, including the Ecological Environment Bureau and the Housing and Urban-Rural Development Bureau [1] - The inspection focused on construction sites, ensuring that bare soil areas are fully covered and that dust management measures are implemented effectively [1] - The inspection team utilized a checklist format to assess construction site management, emphasizing the need for ongoing dust control measures [1] Group 2 - At the Suzhou North Station, comprehensive dust control measures were observed, including automatic spraying, washing machines, and mobile dust suppression vehicles [2] - The local government is implementing drone surveillance to monitor dust pollution at key construction sites, with weekly reports generated for projects with severe dust issues [2] - Suzhou is exploring the promotion of all-electric construction sites and has already approved over 300 projects for exemption from emergency pollution control measures during heavy pollution days [2]