Delhi chokes again: AQI 'severe' at 418; flights ops hit due to dense fog

Delhi-NCR choked under a severe smog and fog blanket Monday, with air quality hitting 'severe-plus' in several areas. Flights faced delays as the Air Quality Index (AQI) soared, with PM2.5 levels reaching alarming peaks. Experts cite local emissions and stagnant air for the dangerous spike, posing significant health risks.