The correct answer is 122.
- The Ministry of Environment will implement National Clean Air Programme (NCAP) across 122 cities in the country to reduce air pollution.
- NCAP targets to achieve 20 to 30 % reduction in PM10 and PM2.5 concentrations by 2024 across the country.
- The number of good quality air days has increased to 218 in 2020 against 106 in 2016, and the number of poor quality air days decreased to 56 in 2020.


