As the country commemorates the fifth anniversary of its flagship initiative, the National Clean Air Programme (NCAP), launched on January 10, 2019, to improve air quality in some of the most polluted cities, the latest data shows among 49 cities with consistent particulate matter (PM) data over five years, 27 improved in PM2.5 levels.
Particles with a diameter of 2.5 microns (one micron is one-thousandth of a millimetre) or smaller are crucial in assessing air pollution due to their widespread presence and capacity to evade the body’s natural defences. These tiny particles can deeply penetrate the lungs, leading to diseases