Ghaziabad was the most polluted city, recording an average PM2.5 concentration of 172 g/m³, followed by Noida (166 g/m³), and Delhi (163 g/m³), as per CREA, a Finland-based independent research group.
For more details: Navamalayalam.com
Ghaziabad was the most polluted city, recording an average PM2.5 concentration of 172 g/m³, followed by Noida (166 g/m³), and Delhi (163 g/m³), as per CREA, a Finland-based independent research group.
For more details: Navamalayalam.com