The Ultimate Indoor Air Pollution Quiz

By: Staff

4 Min Quiz

Image: refer to hsw

About This Quiz

Counterintuitively, air pollution is often much worse inside the home than it is outdoors. A tremendous number of different types of pollutants can enter the home through common products and remain trapped there. Take this quiz to see if you've learned enough about indoor air quality to allow yourself to breathe easily.

How much worse can the quality of indoor air be than that of the air outdoors?

Enclosed space without proper ventilation can lead to a buildup of hazardous pollutants.


Which of these does TerrEssentials' Home Air Quality Test Kit test for?

This home kit tests for all sorts of air pollutants. Others include carbon monoxide and dioxide, bacteria and various fungi.


About what percent of their time do people spend indoors on average?

Compound this with the fact that indoor air pollution can come from various normal household sources, and checking indoor air quality becomes essential.


How much time does the average person spend at home, in particular?

With so much time spent at home, it would make sense to ensure that the air there is safe to breathe and clean.


Which of these is a potential outcome of long-term exposure to indoor air pollution?

The consequences of breathing in indoor air pollution can be quite serious. Lung cancer is another serious potential effect.


What type of home air filter is the most effective at blocking pollutants?

While fiberglass filters are the most cost-efficient, electrostatic filters combine the physical strengths of a pleated filter with the ability to attract even more particles using an electric charge.


What is the MERV rating of an air filter?

The American Lung Association recommends a minimum MERV rating of 10.


Although hazardous PCB was banned from production in America in 1970, where may it still be found?

Polychlorinated biphenyl, or PCB, still remains in a number of household sources, including sealants and wood floor finishes.


Which other banned source of indoor air pollution remains in many homes in their insulation and floor tiles?

Asbestos was a very popular building material for many years, particularly for insulation purposes. Removing it can be a costly and complex job.


What types of household products often contain harmful formaldehyde?

Pressed wood can be used for subflooring, inexpensive furniture or shelving. Some paints may also contain formaldehyde.


Where does radon typically originate from?

Radon is a radioactive gas that can enter a home from the bedrock beneath it.


Which of these is considered a biological contaminant?

Other biological contaminants include mold, animal dander, viruses and even cockroaches.


Which of these is a harmful pollutant released by combustion?

If you heat your home using a solid fuel such as wood or coal, you must ensure proper ventilation for the harmful gasses to escape.


How much of the average person's exposure to pesticides occurs indoors?

Up to 12 different pesticides have been measured inside. Thus pesticides are among the serious air pollutants that affect indoor air quality.


How does the air quality of a commercial aircraft compare with that of the average home?

Commercial jets employ high quality air filtration and ventilation systems. They may remove up to 63 percent of the contaminants.


What problem plagued many of the trailer homes supplied by FEMA to Hurricane Katrina victims?

Three years after they were given out, many of the trailers were replaced when the problems were finally recognized.


How many known poisons are found in secondhand smoke?

In addition, it contains at least 43 known carcinogens. The American Lung Association reports that secondhand smoke causes the deaths of around 3,000 people due to lung cancer each year, and many more due to heart disease.


How do combustion gases cause harm?

Such gases are associated with a host of symptoms, such as dizziness or fatigue. At high levels, inhalation can lead to unconsciousness or even death.


Under what circumstances might opening windows and doors actually worsen your home's indoor air quality?

Letting moisture into your home can lead to the growth of mold, another air quality pollutant. Humidity in the house should be kept at 30 to 50 percent.


What did Consumer Reports discover following tests of ionizing air cleaners?

High ozone levels are bad for asthma and can lead to chest pain and poor breathing.


Explore More Quizzes

About HowStuffWorks Play

How much do you know about dinosaurs? What is an octane rating? And how do you use a proper noun? Lucky for you, HowStuffWorks Play is here to help. Our award-winning website offers reliable, easy-to-understand explanations about how the world works. From fun quizzes that bring joy to your day, to compelling photography and fascinating lists, HowStuffWorks Play offers something for everyone. Sometimes we explain how stuff works, other times, we ask you, but we’re always exploring in the name of fun! Because learning is fun, so stick with us!