Particulate matter or PM pollution refers mostly to dust and tiny particles varying from ~ 0.01 microns - 1000 microns. The composition of particulate matter can be anything from inorganic particles ...

Collectively, all particles smaller than 2.5 micrometers (PM 2.5) are known as fine aerosols. Particles with diameters between 2.5 and 10 micrometers are correspondingly known as coarse and ...

Particles as a Direct Source of Free Radicals Urban PM, diesel exhaust particulate and other carbon-based particles generate super oxide free radicals in physiological solutions in the absence of ...

The World Health Organization (WHO) estimates that over six million deaths a year are caused by increased exposure to particulate matter. The chemical composition of these tiny particles in the air, ...