"If you grow lots of these plants, dust won't have a chance to come near you. Leaves with a rough surface and many hairs will be better at trapping dust, while leaves with smooth surfaces won't have as much ability to trap dust." "But to be honest, every species of plant can trap dust, it's not just a handful of species that can do it. Apart from their ability to trap dust, plants can also filter air. The law only requires developers to plant trees in 50% of the open space.

Source: Bangkok Post February 02, 2019 23:48 UTC