Protect Against Wildfire Smoke by Creating a Clean Air Room

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Source: Public Health Department & Air Pollution Control District

Santa Barbara County Air Pollution Control District (APCD) and Santa Barbara County Public Health Department encourage Santa Barbara County residents to plan for poor air quality conditions caused by future wildfire smoke. Smoke and ash from wildfires contain very small particles known as particulate matter. These particles harm the lungs and heart, and can cause coughing, wheezing, difficulty breathing, chest pain, nausea, and in severe instances, premature mortality. People with heart or lung disease, seniors, kids, and pregnant women are especially sensitive to smoke.
 
The best protection against wildfire smoke is to stay indoors as much as possible when smoke is present. Take these steps to ensure your family will have safe indoor air quality.

Choosing & Using an Air Purifier    See infographics: English Español
  • Pick a HEPA (High-Efficiency Particulate Air) purifier to reduce particulate matter indoors by 90 percent. These can be purchased at hardware stores or online retailers.
  • Make sure that the device doesn’t create ozone – find a list of safe options online: https://www.arb.ca.gov/research/indoor/aircleaners/certified.htm
  • HEPA purifiers come in various makes and models, suitable for different room sizes.
  • Use the purifier in a room where you spend a lot of time, like a bedroom.
  • HEPA purifiers for an average-sized bedroom cost approximately $75.
  • Check your windows and doors and make sure the room is sealed tightly so smoke from the outdoors does not get pulled inside.
  • Replace the filter as directed in the owner’s manual. Filters need to be replaced more frequently if used during a wildfire.
 
Making Your Own Air Purifier    See infographics: English Español
  • Assembling a DIY version of an air purifier can be a more affordable option, with materials costing approximately $40.
  • This DIY version has been shown to reduce harmful particulate matter indoors similarly to a HEPA purifier.
  • Here’s how to make your own:
  • Use tape to attach a 20x20 MERV-rated air filter — like what you would use for your HVAC system — to the back of a 20x20 box fan. Attaching to the back of the fan creates a better seal.
  • Use a filter with a MERV rating of 13.
  • Check the filter for the direction of the air flow, marked on the side of the filter.
  • Check your windows and doors and make sure the room is sealed tightly so smoke from the outdoors does not get pulled inside.
  • Replace the filter more frequently if used during a wildfire.
  • As needed, disassemble the box fan to wipe away any accumulated dirt.
  • For safety, follow these precautions:
  • Don’t leave the device unattended.
  • Turn off the device while sleeping.
  • When the fan is modified in this way, use the device as an air cleaner, not as fan to cool your home.
 
Minimizing Sources of Indoor Air Pollution    See infographics: English Español
  • In addition to using a HEPA air purifier, follow these recommendations:
  • If advised to stay inside, keep windows and doors shut and sealed tightly.
  • If temperatures are high and there is no way to keep the home cool with windows and doors shut, consider temporarily relocating to an area with better air quality until conditions improve.
  • Upgrade your filter in your HVAC system to a MERV filter, with a MERV rating of at least 13. Check with your HVAC professional to see what MERV rating your HVAC system can handle to ensure proper functionality.
  • Do not smoke or burn firewood, candles, or incense in the house.
  • Use your range hood while cooking, especially when using a gas stove.
  • Consider using professional services for a blower door test to detect air leaks. This service can help you know how to properly seal your home.

 

During wildfires, there are various ways to stay updated on local air quality conditions: Sign up to receive air quality alerts from APCD and Public Health: www.OurAir.org/subscribe. Check hourly air quality conditions and daily air forecasts: www.OurAir.org/todays-air-quality.
 

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sea dog Jun 24, 2020 10:36 AM
Protect Against Wildfire Smoke by Creating a Clean Air Room

I use a device from iWave that electronically treats my air. It kills mold and viruses and is very good at removing smoke and smells from a home. It does not use Ozone. A heater repairman wanted to put one in my furnace for $1500 but I found one online for $350 and wired it to a fan. It make particles fall out of the air and be collected in a filter system. I am SUPER sensitive to black mold and the iWave lets me live w/o mold problems.

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