Many of the drivers of air pollution (i.e. WHO data show that almost all of the global population (99%) breathe air that exceeds WHO guideline limits and contains high levels of pollutants, with low- and middle-income countries suffering from the highest exposures.Īir quality is closely linked to the earth’s climate and ecosystems globally. Outdoor and indoor air pollution cause respiratory and other diseases and are important sources of morbidity and mortality. Pollutants of major public health concern include particulate matter, carbon monoxide, ozone, nitrogen dioxide and sulfur dioxide. ![]() Household combustion devices, motor vehicles, industrial facilities and forest fires are common sources of air pollution. ![]() Air pollution is contamination of the indoor or outdoor environment by any chemical, physical or biological agent that modifies the natural characteristics of the atmosphere.
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