The smog tower at Anand Vihar, inaugurated in September 2021 by the Delhi government, to clear the air in a radius of 200 metres could only bring down the PM2.5 level by 17 per cent, that too in the 100-metre radius, a report by the Times of India (TOI) stated.
The tower reduced PM2.5 pollutants by 13 per cent in December 2021, 7 per cent in March, and 17 per cent in April. The data for November, January and February for the 100-metre radius was not provided by the authorities, the report added.
In the 50-metre radius, the tower was