Delhi's air quality remained "very poor" on Tuesday due to slow wind speed and high humidity, authorities said , even as a study pointed out that during the past two decades, Delhi's air quality was the "most deadly" in 2016 as it reduced the life expectancy of a resident by over 10 years.
According to the Centre-run System of Air Quality and Weather Forecasting (SAFAR), the overall air quality index (AQI) was recorded at 349 on Tuesday morning, which comes under the "very poor" category.
On Tuesday, the PM2.5 particles in the air with a diameter of less than 2.5