Exposure to Moderate Levels of Air Pollution And Heart Damage. Research found for each increase in long-term PM2.5 of 1 microgram per cubic meter, there was an 11% increase in calcium build-up in the coronary arteries, 13% greater odds of more plaque and 23% greater odds of obstructive disease.

Exposure to Moderate Levels of Air Pollution And Heart Damage. Research found for each increase in long-term PM2.5 of 1 microgram per cubic meter, there was an 11% increase in calcium build-up in the coronary arteries, 13% greater odds of more plaque and 23% greater odds of obstructive disease.