A thick haze engulfed the national capital Wednesday night with the air quality deteriorating to the very poor category as Delhiites continued to burst firecrackers long after the deadline set by the Supreme Court.The Supreme Court had allowed bursting of firecrackers from 8 pm to 10 pm only on Diwali and other festivals. It had also allowed manufacture and sale of only green crackers, which have a low light and sound emission and less harmful chemicals. See other important news in Nonstop 100.