Delhi heads towards ‘severe’ air quality during Diwali, rain likely to bring relief for Pune, Mumbai

Delhi’s air quality is expected to worsen significantly during Diwali despite a firecracker ban, with potential violations exacerbating pollution. Mumbai and Pune might see improved air quality due to forecasted rainfall. Delhi’s low ventilation index and wind speeds will trap pollutants, while Pune and Mumbai could benefit from thundershowers, improving air quality around the festival.