Study Shows New Delhi is the World’s most Polluted Capital for Second Year in a Row

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New Delhi, home to more than 20 million people, is the world’s most polluted capital city for the second consecutive year in 2019, as indicated by a Swiss-based group that assembles air-quality data from all over the world. 

India was likewise home to 21 of the world’s 30 most polluted cities, IQ AirVisual stated in the study which mainly shed light on the measure of PM2.5, fine particulate matter, in major urban areas. 

The study estimated the concentration of harmful and toxic PM2.5, particles that are under 2.5 microns in width and can move into the lungs, as higher PM2.5 levels could cause death-dealing diseases, including cancer and heart issues. The study noted that in 2019, New Delhi’s yearly concentration of PM2.5 in a cubic meter of air was 98.6. The number is more than double the degree of Beijing, which was about 42.1 during the year, making it the ninth most polluted worldwide. 

New Delhi’s toxic atmosphere is due to the vehicle and industrial emissions, dust from building sites, smoke from the burning of trash and yield buildup in closeby fields. 

Last year when pollution levels topped, residents of New Delhi could inhale “moderate” to “satisfactory” air only for four days in November and December. Towards the end of 2019, the increase in air pollution levels constrained authorities, who called the issue a public health emergency and prompted to close schools twice. The study also noted that India saw “widespread improvements” in PM2.5 levels in 2019 in contrast to a year before, especially owing to positive meteorological conditions, government endeavors to clean the air and economic slump

“Despite improvements, India still faces serious air pollution challenges,” the study said.

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