For the first time, India has caused artificial rain over New Delhi, seeding clouds with an airplane to disperse the toxic pollution haze that has enveloped the capital for days.
Authorities in the city of 30 million people, in collaboration with the Indian Institute of Technology Kanpur, conducted an initial test flight on Thursday afternoon with a single-engine Cessna aircraft over Burari, a city located north of the Union Territory of Delhi.
"A test flight was conducted... during which cloud seeding missiles were launched," said Manjinder Singh Sirsa, Delhi's Environment Minister.
This flight was intended to "test cloud seeding capabilities, the preparation and autonomy of the aircraft, evaluate the capabilities of the equipment and missiles (used) for seeding, as well as coordination between all agencies," he explained.
"If conditions remain favourable, Delhi will see its first artificial rain on October 29," announced Chief Minister Rekha Gupta.
The nature of the chemical used in the test was not specified. The megacity of over 30 million people regularly ranks among the most polluted capitals on the planet. Every winter, cold air is trapped beneath warmer air, which forms a layer that prevents the dispersal of thick, toxic clouds with a pungent odor, generated by factories, traffic and agricultural fires.
Levels of PM2.5 - the most dangerous because they spread through the blood - reach up to 60 times the maximum daily level recommended by the World Health Organization (WHO) on some days.