Urban Sprawl and Haze Pollution: Based on Raster Data of Haze PM2.5 Concentrations in 283 Cities in Mainland China

Incorporating the urban sprawl and its quadratic term into analytical framework of environmental Kuznets curve considers spatial threshold effects pollution, this paper used raster data haze PM2.5 concentrations in 283 cities mainland China to verify non-linear on pollution. It finds that: inter-city spillover effect pollution is significant, holds pollution; there an inversed “U” relationship between population size enlarge built-up area city would increase significantly; impact has a that it decline with expansion; coordination urbanization land notable incoordination China’s aggravated lagged 1–2 period time.