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Wildfire smoke – a menacing air pollutant.

Learn how to reduce your exposure to harmful smoke from wildfires.

Wildfire smoke is a dangerous air pollutant, and not only for people living near wildfires – the smoke can spread to affect people living thousands of miles away. Even in healthy people, wildfire smoke can cause burning eyes and respiratory problems. It can also worsen existing lung or heart conditions. Read on for more information about wildfire smoke, plus ways to limit your exposure to this harmful form of pollution.

Particles found in smoke


What makes wildfire smoke dangerous?

When a wildfire is burning, its smoke contains gasses and tiny particles from everything consumed by the fire – not just trees and plants, but also metals, plastics and building materials.

The smoke includes harmful gasses like carbon monoxide and tiny particles of byproducts from burned material, which can get into your eyes and deep into your lungs.

Exposure to these gasses and particle pollution can cause or worsen health problems.


Who is at risk?

Wildfire smoke can affect anyone. Even if you are a healthy adult, your breathing can be harmed by this kind of pollution. People who live thousands of miles away from a wildfire can also be impacted by the smoke. The people at greatest risk of harm are children, the elderly and people with lung or heart disease.

If you live in an area near wildfires, use the following precautions.

Take Control of Your Indoor Air


    Protect indoor air: Keep your doors, windows and fireplace dampers closed.


    Recirculate A/C: Use your air conditioner on the “recirculate” setting to avoid drawing in outside air.


    Clean your air: Use air purifiers with HEPA filters to reduce smoke particles and smoke odors in your air.

Reduce Exposure to Outside Air


    Avoid outside activity: Don’t exercise outside or let children play outside.


    Use masks: During a fire, have properly fitting N-95 or P-100 masks and use them correctly (talk to your doctor first).


    Know air quality: Use 24/7 resources like and for local air quality and safety info.

Resources to help limit your exposure to smoke and air pollution.

Knowing your local air quality can help you avoid air pollutants. Enter your zip code to see the air quality in your area.

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Air Quality Index (AQI) observed at :00



Health Message:

AQI - Pollutant Details

  • Ozone
  • 24
  • Particles (PM2.5)
  • 24
  • Good

  • Moderate

  • USG

  • Unhealthy


Cleaner Air Tip

Get cleaner indoor air.

Learn more about how to use an air purifier for cleaner indoor air during a wildfire.


Return cleaner, fresher air back into your room.

Honeywell air purifiers pull contaminated and dirty air into the unit, forcing it through a robust filtration system, of a pre-filter and a HEPA filter, that removes pollutants and captures odors and VOCs. The results is cleaner, fresher air that is circulated back into the room up to 5X an hour. 3

3 Based on 3rd party independent CADR testing for the smoke CADR value when operated at the highest level. Air circulation depends on many factors, such as room size and configuration. There is no guarantee that all of the air in a room will pass through the filter.


Honeywell HEPA air purifiers capture up to 99.97% of airborne particles, including harmful smoke. 1

1 from the air that passes through the filters, 0.3 microns and greater.

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