Question

what is spm which type of pollution it might cause

Answer 1

spm means suspended particulate matter

Climate Effects

Weather – Particulates are thought to affect weather on a regional scale and have been linked to the failure of the Indian Monsoon. Due to suppression of levels of evaporation of water from the Indian Ocean

Drought – Aerosol haze and particulates are believed to be pushing tropical rainfall southward, leading to a number of droughts across the world. Droughts worldwide have been occurring much more often since recording began

Rainfall declines – A decline in Australian rainfall have led researchers to believe the increase of pollutants from Asia have shifted multi-latitude systems southward

Greenhouse Gasses – Our atmosphere’s molecular make up has changed dramatically since the industrial revolution. The increase in global industries has led to a build-up of so called greenhouse gasses in the atmosphere, which prevent heat from escaping the planet leading to global warming

Answer 2

It doesn't cause any pollution