New Delhi: Vehicular emission is the top contributor to Delhi's pollution during winter season--more than stubble burning, road dust or bursting of fire crackers -- with over 50 per cent of...

As a layer of smog continued to engulf the national capital, the air quality on Tuesday stood under the "very poor" category. According to the Central Pollution Control Board, the city's overall AQI at 8.30 am was 384.