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An air pollutant is a substance in the air that can have adverse effects on humans and the ecosystem. The substance can be solid particles, liquid droplets, or gases. A pollutant can be of natural origin or man-made. Pollutants are classified as primary or secondary. Primary pollutants are usually produced from a process,  ...


Air pollution is a real public health and environmental problem that can lead to- among other things-global warming, acid rain, and the deterioration of the ozone layer.


This report indicates that particles and ozone are the air pollutants of concern in Australia, having peak concentrations at or above national air quality standards and showing no consistent downward trend in some major cities. For this reason, the Australian Government is supporting the States and Territories in their efforts  ...


Oct 17, 2017 ... Sulfur Dioxide. Sulfur Dioxide Pollution · Setting and Reviewing Standards · Scientific and Technical Documents for Primary Standards · Scientific and Technical Documents for Secondary Standards · Implementing the Standards · Air Quality Designations. Nitrogen Dioxide. Nitrogen Dioxide Pollution ...


Go back. Air and its major pollutants. One of the formal definitions of air pollution is as follows – 'The presence in the atmosphere of one or more contaminants in such quality and for such duration as is injurious, or tends to be injurious, to human health or welfare, animal or plant life.' It is the contamination of air by the ...


Feb 29, 2016 ... You are here: EPA Home; Six Common Air Pollutants. Six Common Air Pollutants (aka Criteria Air Pollutants) has Moved. This web site has been updated and moved to. www.epa.gov/criteria-air-pollutants. Area Navigation. Criteria Air Pollutants Home. Share. Facebook; Google+; Pinterest; Twitter.



What are pollutants? What are they made up of? Where do they come from and what are the dangers that pollutants bring? Lets find out now.


Major Air Pollutants. Pollutant. Description. Sources. Effects. Release. Carbon. Monoxide. (CO). CO is an odorless, colorless, and poisonous gas produced by the incomplete burning of fossil fuels. (gasoline, oil, natural gas). Cars, trucks, buses, small engines, and some industrial processes are major sources. Wood stoves ...