‘Severe’ goes air quality aftercity enjoys crackling Diwali | Lucknow News
Lucknow: The bursting of firecrackers during Diwali celebrations engulfed Lucknow in toxic air. During the live monitoring of air pollution levels, the PM 2.5 and PM 10 concentrations in the city’s air reached the hazardous level of 500 micrograms per cubic meter.The city’s air quality deteriorated from ‘moderate’ to ‘severe’ during Diwali night and post-Diwali…