Why Is Air Quality Worse in the Fall and Winter?

As the temperature changes and fall and winter are ushered in, the air quality falls. You’ve likely already changed your GE, LG, or Samsung refrigerator water filter recently, but now would be a good time to check your furnace and air filters, as well. Below are a few of the reasons why air quality can decrease in the fall and winter months—all of which speak to the importance of having a properly functioning air purifier and HVAC system indoors.

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The Inversion Layer

In the fall and winter, a warm layer of air, called the inversion layer, can rise above a cooler layer of air. Normally, air temperature decreases at higher altitudes. In the colder months, however, a cold layer of air can become trapped near the ground, and the warm layer above it keeps the air from moving. Inversion layers are more common in cities located near the mountains or in a valley. Inversions prevent smoke, dust, and other pollutants from moving upward, trapping them close to the ground and making the air quality worse. Rain and snow can help scrub these pollutants from the air, but they can otherwise make their way into your home. Fortunately, a quality air purifier and fully functioning HVAC system can help limit the impact poor outside air quality can have inside your home.


More Cars on the Road

As the temperature drops, people who normally walk or ride their bikes tend to drive cars instead. This results in more exhaust from more cars, which, if there is an inversion layer, can get trapped. The trapped fumes, including carbon monoxide and particles that make up the smoke, can decrease the air quality. 


Fireplaces, Wood Stoves, and Idle Cars

Fireplaces and wood stoves both give off smoke that is vented outside. As they tend to get used more in the winter, this can also contribute to decreased air quality. In addition to there being more cars on the road, people will often start their car a few minutes before they leave the house to warm it up. This extra idle time can also increase pollution and contribute to poorer air quality.


Indoor Air Quality

Much like how people drive more when it’s cold, they are also more likely to stay inside. With windows shut tight to keep the heat in, it’s especially important to make sure the air in your home is of good quality by using an air purifier. Winter pollutants and inversion situations aren’t good for anyone, particularly anyone vulnerable to breathing issues. Good ventilation and air filtration are vital when you can’t just open a window to freshen the house. It’s a great time to change all the filters in your home, from a Kenmore, LG, or Samsung fridge filter to your furnace or HVAC filter and humidifier filter.

While you can’t control outside air quality, you can control the air quality inside your home. Making sure windows and doors are properly sealed, regularly servicing your HVAC, and changing filters regularly can help protect you and your family from outdoor pollution.


About Discount Filters

Founded by homeowners like you, Discount Filters is familiar with the challenge of finding and installing filters in your home, from HVAC filters to fridge water filters. They are a trusted and respected name in the industry, cutting out the middleman to save you money. DiscountFilters.com offers a variety of different filters for your refrigerator, HVAC system, water system, and more, including furnace filters such as a 16x25x5 filter. Discount Filters stays true to their name by pricing filters 40%-70% lower than retail. Their easy and intuitive filter finder tools will guide you to the filters you need, like the Samsung Aqua Pure Plus filter or Discount Filters’ own U.S.A.-made ClearChoice and AIRx lines. They can help you find the perfect filter for your home and always offer 100% free domestic shipping and free returns.

Browse Discount Filters’ extensive filter selection for all your home filtration needs at Discountfilters.com

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