• 中文

CHINA’S ANTI-POLLUTION TECH IS BOOMING, BUT IT CAN’T MAKE DIRTY AIR GO AWAY

Author: Jamie Fullerton

Behind a red wooden door, down a Beijing alley, lies what is allegedly the cleanest air spot in the smog-sodden city. Numerous air purifiers gently whir in the Breathing Space Courtyard, in the Chinese capital’s Beixinqiao area.

Dotted around the courtyard’s main building, which houses the headquarters of Beijing startup Origins Technology, are small, sleek alarm clock-like monitors showing air quality index (AQI) readings. Called Laser Eggs, these 499 yuan (£53) monitors display flicking numbers that seldom go above 10, showing officially “excellent” air quality levels, according to the scale recognised by China’s Ministry of Environmental Protection.

Claiming to use technology “typically only found in air quality monitors priced upwards of $5,000”, the Origins Technology egg works by using a small fan to pull in air through the unit. A laser cuts through the air and is linked to a sensor which detects information about the size and number of particles in the air. […]

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