India's New Delhi hits 'unbearable' pollution levels, equivalent to smoking 33 cigarettes a day
ABCAir pollution in New Delhi and surrounding towns has reached the worst levels so far this year, with authorities in the capital having declared a public health emergency and ordered the closure of schools. Key points: New Delhi's Chief Minister said pollution levels had reached "unbearable levels" Particulate matter in the air hit 900 PM 2.5 — way over the "severe-plus" ceiling of 500 The smog has been exacerbated by seasonal crop stubble burning and humidity The air quality index, measuring levels of PM 2.5 — tiny particulate matter in the air — deteriorated to above 900, way over the 500-level that qualifies as "severe-plus" on Sunday. — an app that uses pollution data to explain air quality via cigarette smoking — found that the Indian capital's present air quality was akin to smoking 33.2 cigarettes per day. "Pollution has reached unbearable levels across north India," Arvind Kejriwal, Delhi's chief minister wrote on Twitter.