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.
Compared to previous years, Chandigarh residents breathe fresher. Air quality in the Union Territory has improved considerably over the last few years, a survey has revealed.
