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Los Angeles air pollution declining, losing its sting

Los Angeles air pollution declining, losing its sting

The cleanup of California’s tailpipe emissions over the last few decades has not only reduced ozone pollution in the Los Angeles area, it has also altered the pollution chemistry in the atmosphere, making the eye-stinging “organic nitrate” component of air pollution plummet, according to a new study.

June 4, 2013 0 Comments
An East Side, West Side Story: Ozone Pollution in the United States

An East Side, West Side Story: Ozone Pollution in the United States

In a new study, academic and NOAA scientists found that ozone pollution is declining at rural sites in the East, but is steady or even increasing at most sites in the rural West, with strongest increases in spring.
November 15, 2012 0 Comments
NOAA, partners find 50-year decline in some Los Angeles vehicle-related pollutants

NOAA, partners find 50-year decline in some Los Angeles vehicle-related pollutants

In California’s Los Angeles Basin, levels of some vehicle-related air pollutants have decreased by about 98 percent since the 1960s, even as area residents now burn three times as much gasoline and diesel fuel.

August 8, 2012 0 Comments
NOAA-funded researchers find caffeine in Pacific Northwest coastal waters

NOAA-funded researchers find caffeine in Pacific Northwest coastal waters

Finding caffeine in waters just off a coastline heavy with coffee shops may not be surprising. A NOAA-funded study suggests that traces of caffeine in Pacific Northwest waters come from septic tanks and sewer overflows.

August 1, 2012 0 Comments
Smoking out an air pollutant’s hot spots

Smoking out an air pollutant’s hot spots

A smoke-related chemical, isocyanic acid, may be a significant air pollutant in some parts of the world, especially where forest fires and other forms of biomass burning are common.

April 30, 2012 0 Comments
Asian emissions can increase ground-level ozone pollution in U.S. West

Asian emissions can increase ground-level ozone pollution in U.S. West

Springtime air pollution from Asia, swept across the Pacific Ocean on winds, can contribute to episodes of high surface ozone pollution in the western United States.

March 5, 2012 0 Comments
NOAA-led study: Colorado oil and gas wells emit more pollutants than expected

NOAA-led study: Colorado oil and gas wells emit more pollutants than expected

When NOAA scientists began routinely monitoring the atmosphere’s composition at a tower north of Denver a few years ago, their instruments immediately sniffed something strange: plumes of air rich with chemical pollutants including the potent greenhouse gas methane.

February 27, 2012 0 Comments
Utah’s winter air quality mystery

Utah’s winter air quality mystery

During the last two winters, air quality monitors near oil and gas fields in the Uintah Basin have picked up episodes of ozone pollution far in excess of federal health-based standards in the least likely time -- during winter. 

February 7, 2012 0 Comments
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Oceanic and Atmospheric Research (OAR) - or "NOAA Research" - provides the research foundation for understanding the complex systems that support our planet. Working in partnership with other organizational units of the NOAA, a bureau of the Department of Commerce, NOAA Research enables better forecasts, earlier warnings for natural disasters, and a greater understanding of the Earth. Our role is to provide unbiased science to better manage the environment, nationally, and globally.

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