Wildfires are a growing concern, especially in the United States, where more than 26,000 wildfires have burned nearly 750,000 acres in 2023 alone. The smoke from these fires can cause a range of health issues, from eye irritation to serious respiratory problems. One effective way to protect yourself indoors is by using an air purifier. This comprehensive guide will help you choose the best air purifier for wildfire smoke.

Why You Need an Air Purifier for Wildfire Smoke

Wildfire smoke contains a mix of gases and fine particles that can harm your health. It can cause symptoms like burning eyes and a runny nose and exacerbate conditions like bronchitis and asthma. An air purifier can help reduce these risks by filtering out harmful particles from the air.

What to Look for in an Air Purifier for Wildfire Smoke

When choosing an air purifier, consider the following factors:

  • HEPA Filters: High-Efficiency Particulate Arrestance (HEPA) filters are extremely effective at reducing invisible pollution inside your home. They can reduce particle concentrations by as much as 85 percent.
  • Activated Carbon Filters: These filters are essential for removing the smell of smoke. They absorb odors and can also filter out chemicals and gases.
  • Size: The size of the air purifier should match the size of the room where you’ll be using it. Most purifiers indicate the size of the space they can optimally clean with a Clean Air Delivery Rate (CADR) rating. Look for a CADR rating of at least 200.
  • Noise Level: Some air purifiers list a noise rating on the packaging. Choose one that’s around 50 decibels—about the same noise level as your refrigerator.

Top Picks for Best Air Purifiers

Choosing the right air purifier can make a significant difference in the quality of the air you breathe. In this article, we’ll take a look at some top picks for the best air purifiers on the market, focusing on their key Features and performance.

Coway AP-1512HH Mighty Air Purifier

Coway AP-1512HH Mighty Air Purifier

The Coway AP-1512HH Mighty is a powerful air purifier that uses a HEPA filtration system to capture up to 99% of airborne particles as small as 0.3 microns, such as pollen, dander, and mold spores, which are commonly associated with allergies or asthma attacks.

Key Features:

  • Vital Ions Generator
  • Eco Mode
  • Auto Mode

Honeywell HPA300 True HEPA Air Purifier

Honeywell HPA300 True HEPA Air Purifier

The Honeywell HPA300 is a high-performance air purifier designed to capture smoke, dust, pollen, and many other pollutants in the air. This model stands out from its competitors because it uses certified True HEPA filters.

Key Features:

  • Long life HEPA filter
  • Simple controls with easy-to-use touch buttons

IQAir HealthPro Plus Air Purifier

IQAir HealthPro Plus Air Purifier

The IQAir HealthPro Plus is an advanced air cleaning system that has been proven to effectively remove up to 99.97% of all harmful particles from the air. It is particularly effective at removing wildfire smoke and indoor pollution.

Key Features:

  • HyperHEPA filter technology
  • High-performance fan

These top picks for the best air purifiers provide a range of Features and performance levels to suit different needs. By considering factors such as HEPA filtration, activated carbon filters, and coverage area, you can find the best air purifier for your specific requirements.

How to Maintain Your Air Purifier

Maintaining your air purifier is essential to ensure its longevity and optimal performance. This guide will provide you with comprehensive, actionable steps to keep your air purifier in top shape.

Filter Replacement Frequency

The frequency of filter replacement depends on the type of filter your air purifier uses. For instance, replaceable HEPA filters should be replaced every 6–12 months, depending on air quality and environmental factors. On the other hand, carbon pre-filters should be replaced every 3 months, again depending on air quality and environmental factors.

Filter TypeReplacement Frequency
HEPAEvery 6-12 months
CarbonEvery 3 months

Cleaning Methods

Cleaning your air purifier is a simple task that can significantly improve its performance. Here are some steps to clean your air purifier:

  1. Unplug the purifier before cleaning.
  2. Clean the outside of the unit by wiping it with a damp cloth and vacuuming the intake grill.
  3. Open the filter cover by following the manufacturer’s instructions.
  4. Remove the filter and, if possible, take it outside to avoid spreading dirt inside.
  5. Vacuum excessive dust from the filter. Many filters are washable, and you can rinse away the remaining dust.
  6. Mix a few drops of dish soap with warm water, wipe the filter using a soft cloth or sponge and rinse thoroughly.
  7. Use a towel to remove excess water, and allow the filter to dry completely before putting it back in the air purifier.

General Maintenance Tips

Here are some general maintenance tips to keep your air purifier running smoothly:

  • Read your air purifier’s owner’s manual. Your owner’s manual is your best resource for addressing maintenance concerns, installation, replacement parts, and more.
  • Don’t block the air circulation. Make sure your unit isn’t closer than two feet to the nearest wall or large object.
  • Don’t place objects on top of your air purifier. Heavy objects can damage your unit or obstruct air flow.
  • Turn the unit off before unplugging it. Unplugging an air purifier while it’s still on can cause an electrical surge that damages the unit.
  • Don’t run a damaged air purifier. If you notice strange smells or noises, the air purifier not shutting off or not functioning properly, don’t continue to run it.

By following these steps, you can ensure that your air purifier continues to function effectively, providing you with clean, fresh air for years to come.

Additional Tips to Protect Yourself from Smoke

In addition to using an air purifier, here are some other steps you can take to protect yourself from wildfire smoke:

  • Close all your windows and doors and seal any air leaks.
  • If you need to leave your house, wear goggles and a face mask approved by the National Institute for Occupational Safety and Health.
  • Try to spend the bulk of your time in a room with the fewest windows and no fireplace or ventilation ducts that connect to the outside.

In conclusion, an air purifier can be a valuable tool in protecting your health during wildfire season. By choosing the right model and maintaining it properly, you can significantly improve the air quality in your home. For more information on air purifiers and other ways to improve your indoor air quality, check out our other articles on Xievo.com.


How effective are air purifiers for wildfire smoke?
Air purifiers with a HEPA filter can effectively trap small particles found in wildfire smoke, such as fine ash and soot. However, it is important to choose an air purifier that has a high CADR (Clean Air Delivery Rate) rating to ensure efficient removal of contaminants from the indoor air.

How often do I need to replace the filters in my air purifier when using it for wildfire smoke protection?
The frequency of filter replacement depends on several factors such as the level of pollution in your area, size of your home and how frequently you use the air purifier. In general, most manufacturers recommend replacing HEPA filters every 6-12 months or when they appear dirty or clogged.

Can an air purifier completely eliminate all traces of smoke from my indoor environment during a wildfire?
While an air purifier can help minimize airborne pollutants caused by wildfires, it cannot completely eliminate all traces of smoke from your indoor environment during a heavy fire season. It is recommended that doors and windows be kept closed during peak periods and outdoor activities minimized to further reduce exposure to the harmful effects of wildfire smoke inside your home.


Hey there, I'm Kevin, editor of Xievo. I'm passionate about air purifiers and providing accurate information to help readers make informed decisions. In my free time, I love hiking and experimenting with air purifiers in my own home. Thanks for visiting Xievo!