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Stopping Toxic Air From Poisioning Our Lungs PDF Print E-mail

How to avoid poor air quality that can cause your asthma or heart condition to `heat up`.

 

Aspecial featured column from EARTH TALK/

From the Editors of E/The Environmental Magazine

 

Dear EarthTalk: What can be done to improve poor air quality?
-- Chad Muller, Wellesley, Mass.

 

If you're considering warm places to travel to this winter to get out of the frigid temps and away from the snow, keep in mind that there are pros and cons to both, warm geographical areas and the cold, flu season you may be attempting to escape.

Air quality decreases during times of hot temperatures because the heat and sunlight essentially cook the air along with all the chemical compounds lingering within it. This chemical soup combines with the naturally occurring nitrogen oxide in the air, creating a “smog” of ground-level ozone gas. This makes breathing difficult for those who already have respiratory ailments or heart problems and can also make healthy people more susceptible to respiratory infections.

 

According to the U.S. Environmental Protection Agency (EPA), urban areas are the most susceptible because of all the pollution being emitted from cars, trucks and buses. The burning of fossil fuels at power plants also emits a considerable amount of smog-making pollution. Geography is also a factor. Broad industrialized valleys penned in by mountain ranges, such as the Los Angeles basin, tend to trap smog, making life miserable for those people working or playing outside on hot summer days.

 

The non-profit watchdog group Clean Air Watch reported that 2011's July month experienced a super heat wave that caused a blanket of smog stretching from coast to coast. Some 38 U.S. states reported more unhealthy air days in July 2006 than during the same month the previous year. And in some particularly at-risk locales, airborne smog levels exceeded the acceptable healthy standard by as much as 1,000-fold.

 

In light of recent heat waves and extremely warm temparture situations, the EPA urges urban dwellers and suburbanites to help reduce smog by doing the following: using public transit and carpooling to reduce vehicle trips; refueling cars at night to prevent escaping gas vapors from getting cooked into smog by sunlight; avoiding gas-powered lawn equipment; and using fans or setting air conditioning thermostats a few degrees higher to help reduce the fossil fuel burning needed to power them.

 

For its part, the EPA is quick to point out that the regulations on power plants and car fuels that have been instituted over the last 27 years have significantly reduced smog in American cities. EPA spokesman John Millett says that “ozone pollution concentrations have declined about 20 percent since 1980.” Millett adds that the agency is in the process of implementing new programs to control emissions from diesel trucks and farming equipment, and is requiring cleaner diesel fuel to help further reduce smog levels. New rules to regulate marine vessels and locomotives should also help minimize future smog alerts.

 

“Long-term we have made improvements…but with any heat wave and the accompanying smog, this is a very graphic reminder that we still have a significant problem,” says Frank O’Donnell, Clean Air Watch’s president. “Unless we start getting serious about global warming, predicted increases in global temperatures could mean continued smog problems in the future. And that will mean more asthma attacks, disease and death.”

 

People should avoid strenuous outdoor activity, especially during seasonal situations with heat waves in areas plagued by smog. For more information, check out the government’s “Ozone and Your Health” report on the website airnow.gov.

-Column provided by Doug Moss
 

CONTACTS: Clean Air Watch, www.cleanairwatch.org; AirNow’s Ozone and Your Health Report, airnow.gov/index.cfm?action=static.brochure

 

GOT AN ENVIRONMENTAL QUESTION? Send it to: EarthTalk, c/o E/The Environmental Magazine, P.O. Box 5098, Westport, CT 06881; submit it at: www.emagazine.com/earthtalk/thisweek/, or e-mail: . Read past columns at: www.emagazine.com/earthtalk/archives.php

 

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