PM1, PM2.5 and Indoor Air Quality: Why Your AC Can Be More Than Just Cooling

Quick Answer Indoor air quality is influenced by particles and pollutants that can enter or be generated inside a building. PM2.5 refers to particulate matter with an aerodynamic diameter of 2.5 micrometres or smaller, while PM1 refers to particles of 1 micrometre or smaller. Air-conditioning systems can play a role in indoor air management when […]