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Delhi

Posted at: Jan 11, 2018, 12:39 AM; last updated: Jan 11, 2018, 12:39 AM (IST)

NO2 level rises despite fall in diesel consumption

New Delhi, January 10

The concentration of nitrogen dioxide (NO2), a toxic gaseous pollutant, substantially rose in the city in 2017, despite a fall in diesel consumption, according to official data.

The Delhi Government today attributed the fall in levels of particulate matter (airborne particulate matter) in the city to the fall in diesel consumption, but annual NO2 level breached the 50 microgram per cubic metre (ug/m3) last year for the first time since 2013.

According to pollution data of the six National Air Quality Monitoring (NAMP) stations in the city, the annual concentration of NO2, primarly a product of diesel combustion, has been rising since 2015.

The stations are in Pitampura, Siri Fort, Janakpuri, Nizamuddin, Shahzada Bagh and Shahdara. — PTI

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