Is Delhi’s air quality improving?

Recently there have been multiple discussions about air quality improvements in Delhi and some reports also mentioned that Delhi has shown a 25% decrease in air pollution levels between 2016-2018 compared to the 2012-2014 . There have also been various critiques of the claim which demanded more transparency on how the figured for air quality were arrived and others highlighting the quality of data as an issue while carrying out such analysis. But, the confusion is still not over whether the claims are right or wrong and this remains to be a complicated issue for researchers, civil society and policy makers. In the current piece for the first time tried to look at the available data from CPCB as well as at the satellite data to find a concrete answer to the question, “Weather Delhi has reduced air pollution levels over past years or not?