Delhi's Air Quality Drops to Very Poor Again with Thick Fog Blanket National Dense fog returns to Delhi as AQI slips back to 'very poor' at 305 post-Christmas.
Delhi Chokes Under Heavy Smog as Air Quality Stays Very Poor with Severe Levels in Multiple Areas National
Toxic Air Returns: Delhi Air Quality Deteriorates Sharply to ‘Very Poor’; Several Zones Hit ‘Severe’ National