The Delhi government has made it mandatory for all high-rise commercial, institutional, and hospitality buildings to install anti-smog guns to combat pollution levels in the national capital, according to an official directive.

India stands at the cusp of becoming a global leader in exposomics research, with the potential to reshape its understanding and prevent the disease, said Dr Kalpana Balakrishnan, Dean of Sri Ramachandra Institute of Higher Education and Research.

Delhi on Wednesday recorded the highest minimum temperature of the season so far at 30.2 degrees Celsius, 3.5 degrees above normal.

The initiative is part of a pilot scheme aimed at tackling air pollution caused by cooking emissions.

With one foot braced on the helicopter's landing skid, a veterinarian lifted his air rifle, took aim and fired a tranquiliser dart at a polar bear.

Delhi's Air Quality Index (AQI) stood in the 'poor' category at 297 at 9 am, according to the Central Pollution Control Board (CPCB) data.

India improves its ranking in the 2025 pollution report, dropping from third to fifth place.

In an unprecedented sight on Wednesday evening, a 15-minute power blackout was observed in many areas of the national capital, including entire Lutyens' Delhi.