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Protect Your Indoor Air from Wildfire Smoke
Wildfire smoke is impacting large portions of the Western United States. Use the AirNow Fire and Smoke Map to see the impact on your air quality.
 Staying Inside
If you are in an area with poor air quality, it may be best to stay inside. If you must go outside:
- Avoid strenuous activity and try to reduce how much smoke you inhale.
- Wear an N95 respirator to provide the best protection from wildfire smoke. Cloth masks will not help.
- Only perform essential outdoor activities. Take frequent breaks indoors.
Keeping Your Home’s Air Clean
Make sure your indoor air is as clean as possible.
Here's what you can do:
- Keep windows and doors closed.
- Use fans and air conditioning to stay cool. If you cannot stay cool, seek shelter elsewhere.
- Get a portable air cleaner — read these tips and avoid products that intentionally produce ozone.
- If you can’t get a portable air cleaner, use a do-it-yourself version (available in nine languages).
- Install a high-efficiency HVAC filter with a MERV-13 rating if your system can accommodate it. You may need to consult with an HVAC technician for guidance.
- Adjust your HVAC system or air conditioner to keep smoke out.
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Don’t create more indoor air pollution by doing things like smoking, vacuuming, frying or broiling meat, or burning candles or wood.
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Create a clean room at home where you can keep levels of smoke and other particles as low as possible during a wildfire smoke event.
Learn more about ways you can protect your family from wildfire smoke.
After the Smoke Clears
Keep an eye on the AirNow Fire and Smoke Map. Once the air quality improves, even temporarily, air out your home by opening windows and the fresh air intake on your HVAC system.
If you are especially close to the fire, you may need to clean up ash or other debris. Our website provides instructions.
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