Air pollution reduces the average life expectancy of 660 million Indians by more than three years
99% of India's 1.2 billion people breathe polluted air above the safe levels set out by the WHO
The rural poor who rely on biomass fuels such as animal dung for heating and paraffin for cooking and lighting experience indoor air pollution
PM 2.5 pollution increases the risk of lung cancer by nearly 70% due to the particulates entering the lungs
The WHO's safe pollution levels are 2.5 pollution levels at 10 micrograms per metre cubed, but India sets their levels at 40
In New Delhi in the winter months, air pollution often exceeds 600, and in 2018, of the 15 most polluted cities in the world, 12 were in India
Respiratory systems such as breathlessness and chest discomfort, and asthma are 1.7 times higher in Delhi than in rural areas
1 in 5 lung cancer cases occur in non-smokers
1 in 68 males and 1 in 201 were diagnosed with lung cancer in 2020 in India
The poor experience most of New Delhi's air pollution because of where they live and work
In 2019, the NationalCleanAirProgramme was set up to increase the number of air quality monitoring stations, but progress has been slow in controlling pollution
The NCAP has experienced criticism because its targets are not legally binding, and if there no penalties for disregarding the recommendations, air pollution is less likely to be reduced
14 Indian cities are currently building rapid-transit metro systems
In Bihar, the chimneys of brick-kilns have been retro-fitted to reduce smoke emissions
Restrictions will be placed on the burning of stubble in fields, a major cause of air pollution in rural areas