100 cities: The best and worst air quality

div class=image style=float:right;padding-left:8px;img alt=image name height=230 src=http://l.yimg.com/a/feeds/us/grn/green_daily_news/smog-report-card-md.jpg width=300/br /em(Photo: Giorgio Fochesato / iStockPhoto)/embr /br //divpAmerica’s air is markedly cleaner than it was nearly 40 years ago, when the Clean Air Act was passed. Toxic chemicals, smog and soot are less pervasive today. But science has also taught us, since then, that lower levels of pollutants do serious harm — to our lungs, our hearts and circulatory systems, and to the development of our children. Science has shown that, despite significant reduction in acid rain, mountain streams are still struggling to recover from decades of abuse, leaving water there toxic to much fish and plant life./ppIn other words, as the American Lung Association’s 10th annual State of the Air puts it: Air pollution continues to threaten the lives and health of millions of people in the United States despite great progress since the modern Clean Air Act was first passed in 1970. Even as the nation explores the complex challenges of global warming and energy, air pollution remains widespread and dangerous./ppThe report, released this week, focuses on the two forms of air pollution most dangerous to lungs: Smog (a.k.a. ozone) and soot (a.k.a. fine particulates). Particulate pollution was analyzed in two ways — short-term and long-term levels./ppOzone forms on hot sunny days when smokestack and tailpipe pollution interacts with heat and sunlight. The result is ozone, a major component of smog. It’s the same molecule that, in the upper atmosphere, protects our skin from harmful radiation from the sun; but at ground level it scars lung tissue, causing permanent damage and making it unhealthy to exercise or, for sensitive individuals like the young, the elderly and those with lung disease, even breathe. Particulates can come in the form of familiar dust and soot, but also in the form of chemicals that form as tiny droplets after being spewed out of tailpipes and smokestacks./ppMore than 175 million Americans — six in 10 — live in counties where high ozone levels were detected — nearly twice as many as were at risk in 2008. That increase is largely due to new government calculations that account for new scientific understanding of risk of exposure at lower levels for shorter durations./ppEven as cities have taken steps to reduce pollution sources, global warming is producing more hot sunny days, extending the ozone pollution season (April heat wave, anyone?) and increasing the number of days likely to produce unhealthy levels of ozone pollution./ppOf the 25 most-polluted U.S. cities, 16 had worse ozone pollution than one year ago, according to the American Lung Association. Thirteen had worse particulate pollution./ph2The Cleanest Cities in the U.S./h2ollistrongFargo-Wahpeton, ND-MN/strong This is the only city area to appear on the American Lung Association’s list of cleanest cities when measured by all three criteria — ozone, short-term particulates and long-term particulates. The others on this list appeared on two of the three./liliBillings, MT/liliBismarck, ND/liliCheyenne, WY/liliColorado Springs, CO/liliFarmington, NM/liliFt. Collins, CO/liliHonolulu, HI/liliLincoln, NE/liliMidland-Odessa, TX/liliPort St. Lucie, FL/liliPueblo, CO/liliRedding, CA/liliSalinas, CA/liliSan Luis Obispo, CA/liliSanta Fe-Espanola, NM/liliSioux Falls, ND/liliTucson, AZ/li/olh225 Cities With The Worst Air Pollution: Ozone (Smog)/h2olliLos Angeles/Long Beach/Rierside, Calif./liliBakersfield, Calif./liliVisalia-Porterville, Calif./liliFresno/Madera, Calif./liliHouston/Baytown/Huntsville, Texas/liliSacramento, Calif./Arden-Arcade/Yuba City, Nevada/liliDallas/Fort Worth, Texas./liliCharlotte/Gastonia/Salisbury, N.C./liliPhoenix/Mesa/Scottsdale, Ariz./liliEl Centro, Calif./liliHanford/Corcoran, Calif./liliLas Vegas/Paradise/Pahrump, Nevada/liliSand Diego/Carslbad/San Marcos, Calif./liliWashington, D.C./Baltimore, Md./No. Virginia /liliCincinnati, Ohio/Middletown, Ky./Wilmington, In./liliPhiladelphia, Pa./ Camden, N.J./ Vineland, De./liliSt. Louis, Mo. / St. Charles / Farmington, Il./liliNew York, N.Y. / Newark, N.J. / Bridgeport, Conn./liliKnoxville/Sevierville/ La Follette, Tenn./liliBirmingham/Hoover/Cullman, Ala./liliBaton Rouge/ Pierre Part, La./liliKansas City, Mo./ Overland Park, Ks. /liliAtlanta, Ga. / Sandy Springs / Gainesville, Ala./liliMerced, Calif./liliMemphis, Tenn./li/olh225 Counties With The Worst Air Pollution: Short-term Particulates/h2pCity data unavailable at the moment./polliAllegheny, Pa./liliFresno, Calif./liliKern, Calif./liliRiverside, Calif./liliJefferson, Ala./liliLos Angeles, Calif./liliSalt Lake, Utah/liliSacramento, Calif./liliCache, Utah/liliCook, Ill./liliWayne, Mich./liliMarion, Ind./liliTulare, Calif./liliLane, Ore./liliSan Bernardino, Calif./liliBaltimore City, Md./liliKings, Calif./liliOrange, Calif./liliUnion, N.J./liliStanislaus, Calif./liliWashington, Pa./liliMerced, Calif./liliJefferson, Ky./liliPhiladelphia, Pa./liliSanta Clara, Pa./li/olh225 Cities With The Worst Air Pollution: Long-term Particulates/h2olliBakersfield, Calif./liliPittsburgh/ New Castle, Pa./liliLos Angeles/Long Beach/Rierside, Calif./liliVisalia-Porterville, Calif./liliBirmingham/Hoover/Cullman, Ala./liliFresno/Madera, Calif./liliCincinnati, Ohio/Middletown, Ky./Wilmington, In./liliDetroit/Warren/Flint, Mich./liliCleveland/Akron/Elyria, Ohio/liliCharleston, W.V./liliHuntington/Ashland, W.V./Ky./Ohio/liliLouisville, Ky./Jefferson County/Elizabethtown/Scottsburg, In./liliMacon/Warner Robins/Fort Valley, Ga./liliSt. Louis, Mo. / St. Charles / Farmington, Il./liliWeirton, W.V./ Steubenville, Ohio/liliAtlanta, Ga. / Sandy Springs / Gainesville, Ala./liliIndianapolis/Anderson/Columbus, In./liliRome, Ga./liliCanton/Massillon, Ohio/liliYor/Hanover/Gettysburg, Pa./liliLancaster, Pa./liliNew York, N.Y. / Newark, N.J. / Bridgeport, Conn./liliHagerstown, Md./Martinsburg, W.V./liliHouston/Baytown/Huntsville, Texas/li/olpema href=http://www.stateoftheair.org/ target=_newSee how your city’s air quality ranks/a./em/ppBut most people are not in those clean counties. One in eight lives in a county where all three pollutants reach unhealthy levels, according to the American Lung Association. Among them, at least 4 million children and 10.9 million adults with asthma are exposed to unhealthy air. At least 20.4 million adults over age 65, and 44 million children under the age of 18 are exposed to unhealthy air. And at least 4.4. million people with chronic bronchitis, and 2.1 million people with emphysema are exposed to unhealthy air./ppAir pollution isn’t just a risk factor for lung disease, but heart disease and diabetes, too, research shows. At least 24.5 million people with cardiovascular diseases and 5.2 million people with diabetes are exposed to unhealthy air./ppWhat can be done? The American Lung Association recommends these actions:/pulliClean up coal-fired power plants./liliClean up dirty diesel engines currently on and off the road./liliClean up dirty ocean-going vessels. /liliTighten ozone and particulate exposure standards to reflect current science./liliRequire all counties with high air pollution levels to crack down on sources./liliDrive less by combining trips, walking, biking, carpooling and using public transportation to limit your contribution to air pollution — especially on hot, sunny days./liliDon’t burn wood or trash, to avoid releasing particulates in smoke into your neighborhood’s air./liliEncourage your school district to retrofit old school buses with modern pollution controls, and to stop idling in school parking lots./liliConserve energy, because every bit of electricity saved means less pollution from the power plant supplying your electricity./li/ulstrongMore from The Daily Green/strongpa href=http://www.thedailygreen.com/environmental-news/latest/indoor-air-quality-47020101?link=reldom=yah_greensrc=syncon=artmag=tdgHow to Purify Indoor Air/a/ppa href=http://www.thedailygreen.com/green-homes/latest/green-remodeling-low-voc-paints-460212?link=reldom=yah_greensrc=syncon=artmag=tdgChoose Low-VOC Paint for Clean Indoor Air/a/ppa href=http://www.thedailygreen.com/environmental-news/latest/plug-in-hybrid-schoo-bus-47042004?link=reldom=yah_greensrc=syncon=artmag=tdgHow to Clean Up Dirty Diesel School Buses/a/ppa href=http://www.thedailygreen.com/environmental-news/latest/fuel-efficient-cars-47102201?link=reldom=yah_greensrc=syncon=artmag=tdgThe Most Fuel-Efficient 2009 Cars and SUVs/a/ppa href=http://www.thedailygreen.com/environmental-news/latest/save-money-gas-47050902?link=reldom=yah_greensrc=syncon=artmag=tdgHow to Burn Less Gas, and Clean the Air/a/pp /ppReprinted with permission of Hearst Communications, Inc/pp /pbr /p /pbr /p /p

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