Research on Urban Environmental Infrastructure Construction and Air Pollution Based on VAR Model

With the continuous improvement of level urbanization and industrialization in China, economy has developed rapidly, but at same time, environmental pollution air quality decline have seriously affected people’s production, life health. This article takes relationship between Tianjin’s infrastructure investment from 2004 to 2019 as research object, uses econometric tools, believes that there is a long-term equilibrium them. We try find out urban construction through theoretical practical analysis, make policy recommendations accordingly.