India, Oct. 21 -- Delhi's air quality is worsening daily and took a sharp dive on Tuesday, just a day after the city celebrated Diwali. The city woke up to thick smog, with several areas recording the Air Quality Index in the 'severe' category, sparking big pollution concerns, and a discussion on what may have led to the development.

It is not rare for the national capital to witness a plunge in air quality this time of the year. With the bursting of firecrackers beyond the timeline mandated by the Supreme Court, and stubble burning concerns in Punjab, a lot of factors are involved.

However, no one seems to be ready to take blame for the pollution woes in the national capital. While the Opposition in Delhi blames the state government, t...