Delhi's air quality plunged sharply in 2016
![](http://admin.indiaenvironmentportal.org.in/files/air_poll_delhi_13.jpg)
2016 was particularly bad for the national capital in terms of air quality with the volume of ultrafine particulates PM 2.5 and PM 10 violating the annual safe standards by over five times in certa
Publication Date:
09/02/2017