Ambient air quality in the city has significantly deteriorated over the past decade and officials across the enforcement spectrum from the Transport Department to the Tamil Nadu Pollution Control Board (TNPCB) admit that the existing mechanisms to control vehicular pollution, which is the largest contributor, have largely been unsuccessful.
In urban areas roads surrounded by high rise buildings cause trapping of respirable suspended particulate matter, PM2.5 in the lower regions. Under these situations it is very desirable to know the location of the trapped pollutants in order to find ways to mitigate their health effects. The present study focuses on the identification/prediction of such critical locations using CAL3QHC model.
Concentrations of benzene, a carcinogen Volatile Organic Compound (VOC), have been measured through monitoring campaigns at three different locations on Mathura Road, an intercity road carrying high density traffic in New Delhi.
A comprehensive database on the pollution hotspots in Karnataka is being readied by the State government so that effective action can be taken to reduce pollution levels, said Secretary of the Department of Ecology and Environment, Kanwar Pal.
Students at the Indian Institute of Tropical Meteorology (IITM), Pune, have designed a special device which will enable volunteers at the Commonwealth Games this October to collect primary data for transport emission around the Games Village.