Size matters in air pollution—but it's not enough
Tuesday, July 28, 2020 - 09:50
in Physics & Chemistry
Current regulations on air pollution mainly focus on the mass of particles of a particular size range in a sample, and this has been used as a marker for their threat to human health. But these air quality standards do not address the medical implications of the very smallest particles—nor other attributes that may be damaging, such as their chemical makeup.