this post was submitted on 20 Jul 2026
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Mobile LiDAR system in China. It projects green laser light into the sky, and airborne particles scatter the light back to the sensor, allowing it to measure air pollution in real time (lemmy.today)
submitted 1 week ago by sanitation@lemmy.today to c/interestingasfuck@lemmy.world
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[–] Gloomy@mander.xyz 19 points 1 week ago

Aircraft fly way higher than the city, so air pollution isn't really an issue for them.