Delhi chokes under dense smog as AQI stays in ‘severe’ zone

Delhi woke up to dense smog on Sunday. Air quality worsened to the 'severe' zone. Pollution curbs are in place. The city's average Air Quality Index reached 461. Visibility was extremely poor in many areas. Bawana recorded the highest AQI at 497. Schools shifted classes to hybrid mode. Prolonged exposure to this air quality poses serious health risks.