How to Remove Formaldehyde from Indoor Air

Formaldehyde is an indoor pollutant that requires special attention due to its health effects. Nevertheless, this hazardous material can be found hidden in a broad range of common household products. It can become a pollutant that creates considerable health risks if...

PM2.5 Levels in Major Cities

Air quality in major cities around the world has assumed serious importance due to the high concentration of dangerous pollutants more so the PM2.5 particles that measure about 2.5 micrometers in size. PM2.5 levels in major cities usually exceed the safety limit...