Indoor Air Pollution: The Facts May Surprise You, Reports Air Filter Provider

A recent study finds that when the air outdoors is bad, the air indoors can be perilous, too. But using the right air filters can change that equation.

RIVERDALE, N.J., Feb. 21, 2014 /PRNewswire-iReach/ -- When most people think of air pollution, their attention turns outdoors. It is there, after all, where the well-known perils lurk, in the form of hazardous particles from vehicle exhaust, power plants, and other common sources. And on days when the outdoor air is particularly polluted, the rule of thumb is to stay indoors, where, the conventional wisdom goes, the air is clean and safe. But as a recent study found, indoor air isn't always hazard-free. In fact, outdoor pollutants have a surprising, and worrisome, way of seeping inside.

That research, the product of 10 years work by Professor Randy Martin of Utah State University, compared indoor and outdoor pollution levels in Utah. It focused on so-called 'red' air days, when the level of hazardous particles was highest. The study found that, on average, indoor air contains about 25 percent of the particle pollution measured outdoors. It also found, however, that the actual percentage can fluctuate from location to location, based on whether air filters were installed, and if so, what type of filters.

These findings demonstrate that while indoor air pollution may be an unexpected peril for many people, it is also a peril that can be reduced by using best-of-breed air filters. Indoor air pollution, in short, is a hazard that can be tackled -- and far more easily and effectively than one might think.

That's because high performing, high efficiency air filters are now widely available, thanks to the work of industry leaders like Camfil, the world's leading provider of clean air solutions. Drawing on a network of six global research centers, Camfil has developed an array of cutting-edge air filters that last longer, require less energy to operate, and do a better job removing dangerous particles from indoor air than more traditionally designed filters. Indeed, a typical Camfil customer can reduce its HVAC energy costs by 20 percent, its installation costs by 50 percent, and its disposal costs by 70 percent -- all while seeing improved performance.

These figures highlight an important point: Not all air filters are equal. When evaluating models, buyers should pay particular attention to a filter's Minimum Efficiency Reporting Value (MERV). The air filter's rating will correspond to its ability to capture particles -- and prevent them from invading the indoor environment. The higher the rating, the cleaner -- and safer -- the indoor air will be. There may be little one can do about the air outdoors, but inside, clean air isn't just obtainable -- it's essential.

The world leader in air filtration systems, Camfil provides clean air solutions for hospitals, hotels, office buildings, educational institutions, and pharmaceutical and biotech companies. We provide the tools to achieve sustainability, maintain high air quality, and reduce airborne infections -- all while lowering total cost of ownership. Camfil customers go green without ever sacrificing performance. For more information, visit us online at, or call us toll-free at 888.599.6620.

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Media Contact: Lynne Laake, Camfil, 888.599.6620,

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