air quality air quality

The sky over Santa Rosa, Calif., on Monday. Lesley McClurg/KQED hide caption

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Lesley McClurg/KQED

This Week's Air Quality Is Worst On Record For San Francisco Bay Area

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South Korea has the worst air pollution among the developed nations in the the Organization for Economic Cooperation and Development (OECD). Ed Jones/AFP/Getty Images hide caption

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Ed Jones/AFP/Getty Images

Armed With NASA Data, South Korea Confronts Its Choking Smog

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Smoke plumes rise from the Rice Ridge Fire in August, behind Montana's Seeley Lake Elementary School, in Seeley Lake, Mont. Eric Whitney/MTPR hide caption

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Eric Whitney/MTPR

Montanans Pitch In To Bring Clean Air To Smoky Classrooms

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Nitrogen oxide pollution in India and China is offsetting U.S. gains in cutting emissions, researchers say. This photo from October shows road traffic, along with smoke and smog, in front of the landmark India Gate in New Delhi. Manish Swarup/AP hide caption

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Manish Swarup/AP

California is looking into ways to reduce the use of gas-powered lawn and gardening equipment because they will soon surpass cars as the biggest polluters in the state. stoncelli/Getty Images/iStockphoto hide caption

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stoncelli/Getty Images/iStockphoto

California Weighs Tougher Emissions Rules For Gas-Powered Garden Equipment

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Buildings are seen shrouded in smog from the 102nd floor of Seoul's Lotte World Tower in December 2015. Bloomberg via Getty Images hide caption

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Bloomberg via Getty Images

Korea's Air Is Dirty, But It's Not All Close-Neighbor China's Fault

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After the pigeons are fitted with pollution sensors, they are released into different parts of London. Londoners can then get live air quality readings via Twitter. Rich Preston/NPR hide caption

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Rich Preston/NPR

Pigeons Are London's Newest Pollution Fighters

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The Speck air quality monitor costs $200, but is available to all through Pittsburgh's public library system. Carnegie Mellon University CREATE Lab hide caption

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Carnegie Mellon University CREATE Lab

A Home Air Quality Monitor That Can Be Checked Out From The Library

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Cooking on gas and electric stoves can create indoor air pollution. The best way to avoid it is to buy a good range hood that vents outside, experts say. iStockphoto.com hide caption

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iStockphoto.com

Fixing Stove Hoods To Keep Pollution Out Of The Kitchen

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