This report presents results of ambient air quality monitoring carried out during the year 2007 at various monitoring stations under National Air Quality Monitoring Programme (NAMP). Four pollutants namely sulphur dioxide, nitrogen dioxide, respirable suspended particulate matter and suspended particulate matter are monitored regularly at various monitoring locations. The air quality is described in terms of low, moderate, high and critical levels based on an exceedence factor. The pollutants that are exceeding the standards in many cities are suspended particulate matter and respirable suspended particulate matter. Results of additional pollutants such as benzene and carbon monoxide monitored in Delhi and ammonia measure in six cities are also presented. The next few chapters presents details of the National Air Quality Monitoring Programme and major findings during the year 2007. Also detailed are the initiatives taken for air pollution control.