Central Pollution Control Board (CPBS) data between December 5, 2014 and February 10, 2015, shows that air pollution was worse in Delhi than in neighboring cities such as Faridabad, Gurgaon, Noida, and Ghaziabad. India Today. Read it on DelhiAir.org.
delhiair.org - be informed and active about air quality in New Delhi, India 