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Particle pollution refers to tiny solid or aerosol particles in the air. They measure a fraction the diameter of a human hair and easily enter our bloodstream and cause health problems such as breathing troubles, heart and lung disease, stroke and premature death. Children, older adults and people with respiratory illnesses are especially at risk.
Though we’ve made progress in reducing particle pollution over the years, we still have work to do. Wood smoke from wood stoves and outdoor burning continue to be a major source of particle pollution, especially in colder winter months.
Opt for alternatives to wood-burning for home heating like natural gas and propane; reduce driving and choose cleaner cars and fuels; and refrain from lighting outdoor fires – these are all steps we can take to reduce particle pollution. Public and private fleets that rely on diesel fuel can look into our Diesel Solutions program for additional ways to reduce particle pollution from fleet operations.