Air quality deteriorates in north India post-Diwali; Delhi records highest AQI since 2021

A significant increase in air pollution was observed across north India following the recent Diwali celebrations. The Air Quality Index (AQI) levels in Delhi, Haryana, Punjab, and western Uttar Pradesh surpassed 350, indicating poor air quality. Many cities reported severe pollution, with readings at 439 recorded at Delhi Technological University. Residents experienced health issues such as breathing difficulties and eye irritation after the celebrations.