As Delhi’s air quality begins to deteriorate with Diwali, new government data indicates that the Aam Aadmi Party (AAP) government’s restrictions on cars based on odd-even number plates—between January 1-15, 2016, and April 15-30, 2016—did not improve the air quality in the world’s 11th most polluted city.
The main reason the odd-even system cannot check air pollution is because no more than 25% of fine, toxic particles are emitted by cars and trucks in winter, according to this 2016 Indian Institute of Technology Kanpur (IIT-K)