It is no surprise that air pollution and life expectancy can be related. For ages we have heard the dangers of smoking cigarettes and second hand smoke, but anyone in an urban environment tell you the immediate difference in their mental and physical health by breathing unpolluted air. Now, a recent study conducted by both Brigham Young University and the Harvard School of Public Health have confirmed what many have suspect; there is a direct correlation between air quality and life length.

Using statics between 1980 and 2000 scientists have discovered that an extra 2.72 years of life can be attributed to air quality. Poor air quality worsens lung and hearts diseases causing a shorter lifespan. Statistics taken in the UK show an average reduced lifespan of 8 months due to air pollution, even with an increase in quality over the last 8 years. Scientists can project that by meeting stricter emission targets they can reduce this number by half. This study does not factor smoking, migration and wealth. By eliminating these issues this number is more honest, but also scarier as well.

So how exactly to do they measure pollution and the effects it has on residents then? Scientists measured tiny particles of dirt with a diameter of one-twentieth of the width of a human hair. These particles then travel deeply into the lungs with each breathe taken and have been linked with the worsening of asthma and heart disease. Cities that managed to show a significant increase in clean air yielded an average of ten more months in life expectancy. With every decrease of 10 micrograms of pollution one can expect an average of 10 months added to the lifespan of its residents. To help put the measurement in perspective cities like Pittsburgh and Buffalo have 14 micrograms per cubic meter.

So what are some solutions to this problem if you live in a highly polluted area? Use products that are energy efficient. Drive a vehicle with a cleaner engine and low emission rate. While you are doing your part, it is doubtful that you alone can reduce pollution outside. However, when you are in indoors, you are in control and can protect yourself with an efficient air purifier.

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