Smog tower

Smog towers, or smog-free towers, are big structures that work like air cleaners to reduce pollution in the air. They clean the air by removing small particles like soot and need energy or power to work.

Smog free tower in Beijing

World’s first air cleaning tower

The world's first smog-free tower was made by a Dutch artist named Daan Roosegaarde. It was shown to people in September 2015 in Rotterdam.^[1] Later, similar towers were set up or toured in^[2] Beijing and Tianjin, China, Kraków, Poland,^[3] Anyang, South Korea,^[4] and Abu Dhabi.^[5] The tower is 7 meters (23 feet) tall and uses special technology called positive ionization. It can clean 30,000 cubic meters of air every hour.^[2]

Other towers

India

By 2022, India had at least eight smog towers, some of them:

• Connaught Place (about 80 feet; since August 2021)^[6][7]
• Anand Vihar (about 80 feet)^[8]
• Lajpat Nagar Central Market (20 feet; since January 2020)^[9]
• Gandhi Nagar Market (12 feet)
• Krishna Nagar Market (12 feet)^[10]
• Bangalore (15 more towers may be added later)^[11]
• Chandigarh (24–25 meters; uses water to clean air)^[12]
• Jaipur

Gallery

• 
  Rotterdam
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  Beijing 1
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  Beijing 2
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  Beijing 3
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  Beijing 4
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  Beijing 5
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  Beijing 6
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  Beijing 7