In Brief

Aerophile, an entertainment company that builds helium balloons for attractions and amusement rides, has transformed one balloon in Paris into a simple environmental indicator.

Aerophile, an entertainment company that builds helium balloons for attractions and amusement rides, has transformed one balloon in Paris into a simple environmental indicator to help address poor air quality in the city. The balloon monitors data on surrounding air conditions, constantly capturing levels of nitrogen dioxide, ozone, and other particles. The balloon then glows accordingly, indicating good conditions in green, moderate in orange, and poor conditions in red. The balloon is equipped with LCD screens and banners to visually represent air quality during the day in the same manner.

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