Confused About Transport Dept's Warning for BS-III Petrol, BS-IV Diesel Cars? All You Need to Know | Nayi Khabar

Delhi's air has been hovering between the higher ends of the 'very poor' and 'severe' categories since November 3 when the air quality index (AQI) read 450 in the 'severe' zone

from Top India News- News18.com https://ift.tt/oqdQ649
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