تعريف airborne particles في الإنجليزية الإنجليزية القاموس.
These are dust or minute droplets of liquid that are small enough to remain suspended in the air These particles give smog its color Depending on the types of particles present, the air can appear yellowish- brown, or even white Particles can also obscure the landscape, blocking out distant scenery or buildings Recent studies have shown that every major Canadian urban centre has levels of airborne particles high enough to pose a health risk