What Is a Smog Tower and Do They Work? How India Is Fighting Air Pollution

The tower, equipped with thousands of filters and can be as high as twenty meters (66 feet), is designed to capture pollution particles and improve air quality in densely populated areas. Although the technology they rely on is simple, smog towers need a lot of maintenance. They are also costly to set up — the one serving the city’s iconic business center, Connaught Place, set up in 2021, cost about $2.5 million.

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