摘要: Traditionally, the main focus of professional community involved with indoor air quality has been pollution sources, preventing or reducing their emissions, as well as lowering impact sources by replacing polluted air with "fresh" outdoor air. However, urban cannot often be considered "fresh", as it contains high concentrations pollutants emitted from motor vehicles - main outdoor in cities. Evidence epidemiological studies conducted worldwide demonstrates that quality considerable effects on human health, despite fact people spend majority time indoors. This is because outdoors penetrates indoors and becomes a major constituent of pollution. Urban land transport development significant on the overall airshed well concentration the vicinity high-density traffic areas. Therefore, an improvement would achieved pollution, lowering the hot spots paper explores elements urban land vehicle developments, global local quality, and how science generation could be utilized towards