New Delhi, Nov. 7 -- As the air quality index (AQI) in Delhi and the National Capital Region (NCR) slipped into the 'very poor' category on Friday, two days ahead of Diwali, with further deterioration in air quality likely between 7 and 9 November, quick-commerce companies, including Blinkit, Zepto and Instamart, are witnessing a sharp spike in air-purifier sales.

The sharp rise in air-purifier sales has been attributed to worsening pollution levels across the country, The Times of India reported. The onset of winter is also driving demand for other seasonal appliances, such as room heaters, geysers and electric kettles.

Citing analysts and industry experts, TOI reported that consumers in Tier 2 cities are also contributing to the growt...