Delhi air quality remains in severe plus category, overall AQI at 494, most stations touch 500-mark

Delhi's air quality worsened to the 'severe plus' category on Monday with the city recording an AQI of 484. Tighter pollution control measures, including a ban on truck entry and suspension of construction at public projects, came into force in the morning. The dense toxic smog caused visibility

People in Delhi continued to choke by the polluted air. The city's 24-hour Air Quality Index (AQI), recorded at 4 pm daily, stood at 457, in the 'severe-plus' category. On Saturday, the AQI was 417.