The contribution of firecrackers to the city’s pollution levels was significantly higher on November 9, a day after Deepavali, before declining on November 11, the IITM models showed
Source: The Hindu National (English)

The contribution of firecrackers to the city’s pollution levels was significantly higher on November 9, a day after Deepavali, before declining on November 11, the IITM models showed
Source: The Hindu National (English)