New Delhi

New Delhi ( (listen), Hindi: [ˈnəiː ˈdɪlːiː], Naī Dillī) is the capital of India and a part of the National Capital Territory of Delhi (NCT).

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How to clean up New Delhi's smoggy air - EurekAlert

The nighttime air pollution in New Delhi is due to exhaust fumes from wood fires. Synthetic materials/waste are burned, releasing gases, with chemical toxic compounds Early in the night, the temperature drops. The gaseous molecules condense and become fine particles in a few hours, forming a haze.