Delhi experienced heavy rain Tuesday, Safdarjung recorded 30.8mm, Lodhi Road 35mm. More light to moderate rain expected Wednesday through Friday with IMD yellow alert, possibly with thunderstorms. Humidity caused the rain formation; air quality improved post-June 28 monsoon. Maximum temperature 33.2°C, minimum 27.2°C. Rain also recorded at Ayanagar 8mm, and Ridge 11.3mm.