... These cities are Agra, Ahmedabad, Bangalore, Chennai, Delhi, Hyderabad, Kolkata, Lucknow, Kanpur, Faridabad, Jodhpur, Patna, Pune, Solapur, Varanasi, Jharia, and Mumbai. The action plan being implemented ... 85 at national level. The programme was later renamed as National Air Monitoring Programme. An inventory of air pollutants is a necessary first step towards control of air pollution. Air ... Ahmedabad. 35 5.4 Trends in Annual Average Concentration of SPM in Ahmedabad. 35 5.5 Seasonal Variation in Ambient SPM levels at Shardaben Hospital, Ahmedabad. 37 5.5 Seasonal Variation in Ambient...