Urban Haze is a term used to describe the air pollution caused by the burning of fossil fuels in cities. It is often referred to as SMOG, which is an acronym for smoke and fog. SMOG is a combination of pollutants such as nitrogen oxides, sulfur dioxide, and particulate matter that can cause respiratory problems and other health issues. Urban Haze is a serious environmental issue that needs to be addressed in order to protect public health.