Springtime Ozone Increases Over Western North America Linked To Emissions Abroad

Posted on January 28, 2010
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Springtime ozone levels above western North America are rising primarily due to air flowing eastward from the Pacific Ocean, a trend that is largest when the air originates in Asia. These increases in ozone could make it more difficult for the United States to meet Clean Air Act standards for ozone pollution at ground level, according to a new international study. Published online Wednesday, Jan…

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