204 of 238 Indian cities did not meet air quality standards: CREA (opens original article in a new tab)

A report shows 204 Indian cities had unhealthy air quality in winter 2026, with Ghaziabad, Noida, and Delhi among the worst affected

• 204 of 238 Indian cities exceeded PM2.5 standards in winter 2026
• Ghaziabad was the most polluted city with 172 g/m³ PM2.5
• Delhi and Noida ranked third and second with 163 g/m³ and 166 g/m³ PM2.5