About PM2.5

PM2.5 refers to atmospheric particulate matter with a diameter less than 2.5 micrometers, which is about 3% the diameter of a human hair.

These fine particles can penetrate deep into the lungs and even enter the bloodstream, causing various health issues including respiratory and cardiovascular problems.

Health Effects

• Aggravated asthma

• Decreased lung function

• Increased respiratory symptoms

• Irregular heartbeat

• Premature death in people with heart or lung disease