The two week-long installation at Velo-City Global 2016 provided a glimpse into the reality of pollution and public safety. Loop.pH featured a BMX pump track – a loop which requires no pedaling thanks to a series of humps to accelerate riders – equipped with LED lights that lit up as cyclists rode by. But the real eye-catching detail was the pair of large structures like human lungs and tree branches that were rigged with pollution sensors.

The lights range varied from blue-greens to bright reds, depending on the presence of six different pollutants in the air. When the sensors, provided by Change London, picked up on something ominous, the colors would flash to warmer colors. Co-founder of Loop.pH Rachel Wingfield told Dezeen, “We would notice things like a boat passing by on the river and our data would spike. The colours would suddenly go orange.”

Related: The Air Quality Egg enables you to monitor air pollution inside and outside your home

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Symbolically, the giant “lungs” broadcast the colors for distress and sparked conversation about Taipei citizens being in a position to change the course of poor air quality. The studio hopes the installation will serve as inspiration to adopt more environmentally friendly practices, such as riding bikes, to improve air quality. Now, after discussions with Taiwan’s minister of environment, the studio is in talks to expand the project throughout the country.

+ Loop.pH

Via Dezeen

Images via Loop.pH