PM10 are any particles of airborne material that are 10 nanogram in size and are small enough to enter the thoracic part of the human body, which is the throat. PM10 measurement is neccessary where there is a danger of direct health effects on humans either working in or living near a particular facility.

Emerald Environmental currently carry out PM10 and Pm2.5 monitoring for a number of companies on different landfill and construction sites.