AQI Surpasses 400

Delhi’s Air Quality Crisis: AQI Surpasses 400 As Pollution Levels Soar

His air quality continued to deteriorate on Sunday as a blanket of dense smog covered the city. By 9 p.m. at Anand Vihar, it had reached "severe", as per the Air Quality Index or AQI that logged up to 424. Delhi witnessed the worst air quality ever recorded in the...