New detection method reveals airborne nanoplastics at levels millions of times higher than previously estimated

Humans may inhale up to 68,000 plastic particles daily from indoor air alone, with potential long-term health consequences including inflammation, oxidative stress, and possible carcinogenic effects.

In the cities of Guangzhou and Xi'an, Chinese researchers have turned a new instrument toward the air we breathe and found something the human eye — and older science — had long missed: plastic, in concentrations up to a million times greater than previously measured, drifting invisibly through urban atmospheres and into human lungs. Using computer-guided electron microscopy capable of resolving particles as small as 200 nanometers, the team at China's Institute of Earth Environment has exposed a systematic blind spot in decades of atmospheric science. What was once framed as a crisis of visib

New detection method reveals airborne nanoplastics at levels millions of times higher than previously estimated

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