The National Clean Air Programme launched by the centre proposes a “tentative national target” of 20%-30% reduction in PM2.5 and PM10 concentrations by 2024, with 2017 as the base year for comparison. It will be rolled out in 102 cities that are considered to have air quality worse than the National Ambient Air Quality Standards.
Question raised in Rajya Sabha on WHO report on most polluted cities, 07/01/2019. Ambient air quality is monitored at 731 locations covering 312 cities/towns in 29 States and 6 Union Territories across the country under National Air Quality Monitoring Programme (NAMP). WHO Report has made assessment of Air quality data up to 2016. Comparison of Air Quality Data from WHO report for 2016 with NAMP data for 2017 reveals that the levels of PM2.5 and PM10 have decreased in 2017 in all the above-mentioned 14 cities for which NAMP data is available (Annexure).