Delhi's air quality index soars to 507 as Mumbai and Kolkata also face pollution spike after Diwali
Delhi's air quality index (AQI) surged from 327 to 507 in just 12 hours, indicating a significant decline in air quality. This sharp increase follows the Diwali celebrations. Mumbai and Kolkata also reported poor air quality levels after the festival. The situation reflects ongoing concerns about pollution in major Indian cities. These developments highlight a worsening trend in air quality across India, particularly after festive periods.