Bronte Wells
There are many sources of air pollution in the home, from cooking fumes to cleaning products, and it's important to minimise exposure to these indoor pollutants to protect your health. Fortunately, there are many ways to improve indoor air quality, from opening windows to using air purifiers and even certain plants.
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What You'll Learn
- Use an air purifier to remove dust, pollen, mould spores and pet dander
- Ventilate your home by opening windows and using extractor fans
- Avoid indoor air pollution sources like fireplaces, stoves and cleaning products
- Store chemicals safely and opt for natural household products
- Use an air quality monitor to identify indoor pollutants
Use an air purifier to remove dust, pollen, mould spores and pet dander
Air purifiers are an effective way to remove dust, pollen, mould spores and pet dander from the air in your home. They are simple machines, consisting of a fan and a series of filters. The fan draws in polluted air, which then passes through the filters, trapping pollutants, before expelling cleaner air.
When choosing an air purifier, it is important to select one with a high CADR (clean air delivery rate) rating, relative to the size of the room. The CADR rating indicates the unit's ability to clean the air in a given space. For example, a 250-square-foot room would require an air purifier with a CADR of 160 or higher.
HEPA (high-efficiency particulate air) filters are highly effective at capturing airborne particles, including dust, pollen, mould spores and pet dander. They can remove up to 99.97% of particles as small as 0.3 microns, which is smaller than the average size of pet dander particles. HEPA filters are also effective at capturing bacteria, viruses and smoke.
In addition to HEPA filters, some air purifiers feature activated-carbon filters, which are designed to reduce household odours and volatile organic compounds (VOCs) such as paint and adhesive fumes. These filters are particularly useful for removing harmful chemicals and improving indoor air quality.
When using an air purifier, it is important to ensure it is set up correctly and properly maintained. This includes regular replacement of filters to ensure optimal performance. Air purifiers are a great way to improve the air quality in your home and reduce exposure to allergens and pollutants.
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Ventilate your home by opening windows and using extractor fans
Ventilating your home is a simple yet effective way to reduce indoor air pollution. Opening windows and doors allows fresh air to circulate and helps to remove pollutants from your home.
In areas where it is inconvenient to open windows, such as kitchens and bathrooms, extractor fans can be used to improve air circulation. It is important to ensure that your home ventilation system is properly filtered to prevent outdoor air pollutants from entering and worsening indoor air quality.
If you have cross-facing windows in your home, opening two windows to create a cross-breeze can be particularly effective for ventilation. This natural ventilation method can also help you save energy and reduce your energy bills.
In addition to ventilating your home, it is important to identify and eliminate or reduce indoor pollution sources. An air quality monitor can help you identify specific pollutants in your home and provide recommendations to improve air quality. Common sources of indoor air pollution include chemicals from household products, gas appliances, furniture, and tobacco smoke.
Portable air purifiers or filters can also be used to supplement ventilation and source control efforts. When selecting an air purifier, consider the size of the room and choose one with a high CADR rating to effectively remove pollutants.
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Avoid indoor air pollution sources like fireplaces, stoves and cleaning products
Fireplaces, stoves, and cleaning products can be significant sources of indoor air pollution. Here are some ways to avoid indoor air pollution from these sources:
Fireplaces and Stoves
When using a fireplace or stove, it is important to be mindful of the type of fuel being burned and the ventilation system in place. Traditional wood-burning fireplaces and stoves can emit harmful pollutants, including fine particulate matter, carbon monoxide, and nitrogen dioxide. These pollutants can have serious health impacts, including respiratory and cardiovascular issues. To reduce the emission of these pollutants, consider using alternative fuels or fireplace inserts. Gas stoves and fireplace inserts, for example, emit less soot and pollution than traditional wood-burning options. Pellet stoves, which burn compressed wood pellets or dried corn kernels, are another alternative that can reduce smoke emissions. Masonry heaters, which are designed to store heat from the fire and release it after the fire has burned out, also produce less smoke than traditional fireplaces.
For those who prefer the ambiance of a wood-burning fireplace, there are ways to mitigate the pollution they cause. In-system HVAC solutions and portable air purification devices with HEPA or carbon filters can help capture fine particles and airborne irritants released by wood-burning fireplaces. These filters can improve indoor air quality and reduce the presence of pollutants and odours. It is important to ensure that any stove or fireplace is properly installed and regularly inspected by a certified technician to maintain optimal performance and minimise pollution.
Cleaning Products
Conventional cleaning products can contain harmful chemicals that contribute to indoor air pollution. Volatile organic compounds (VOCs), toxic air contaminants (TACs), and greenhouse gases (GHGs) are commonly found in detergents, cleaning compounds, polishes, disinfectants, and sanitizers. These chemicals can be released into the air, causing short- and long-term health issues such as respiratory problems, asthma, headaches, and even potential damage to vital organs. To reduce exposure to these pollutants, opt for green cleaners made with natural ingredients like white vinegar, baking soda, borax, citrus fruit, and essential oils. These alternatives are safe for indoor use and effectively clean surfaces. Additionally, look for cleaning agents that meet the US EPA's Safer Product Standards, such as the "Safer Choice" label. Limit the use of cleaning products containing pine or citrus oils, especially during high-ozone days, as these can react with ozone to form harmful by-products. Always follow the recommended dosage and rinse surfaces with water after cleaning to remove residual cleaning agents.
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Store chemicals safely and opt for natural household products
When storing chemicals, it is important to follow best practices and regulations to prevent harm to people, property, other chemicals, or the environment. Here are some general guidelines for safe chemical storage:
- Keep a detailed, up-to-date inventory of all chemicals and their hazard information.
- Store chemicals in a designated, secure, and locked area, away from direct sunlight, heat sources, and egress pathways.
- Ensure incompatible materials are separated and stored below eye level.
- Minimise the quantities of hazardous chemicals and prioritise safe transport and storage containers.
- Comply with local and state guidelines, such as using OSHA and NFPA-approved cabinets with self-closing doors.
To reduce indoor pollution, opt for natural household products instead of toxic chemicals. Here are some safe and effective alternatives:
- Vinegar: Both white vinegar and apple cider vinegar are excellent natural cleaning agents. They can kill bacteria, deodorise surfaces, and combat dirt, grease, and grime. Dilute vinegar with water for an all-purpose cleaner.
- Baking Soda: Baking soda is a versatile deodoriser and cleaner. It can be used to scrub toilets and bathtubs, clean floors and countertops, and even polish silver.
- Castile Soap: Derived from vegetable and plant oils, castile soap is a natural alternative to soaps containing parabens. It can be used for cleaning various surfaces, including kitchen floors, and for personal hygiene.
By properly storing chemicals and choosing natural alternatives, you can significantly reduce indoor pollution and create a safer living environment for you and your family.
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Use an air quality monitor to identify indoor pollutants
Air quality monitors are an easy and affordable way to identify indoor pollutants. These devices can be moved from room to room to determine the types of pollutants present. They come with a smart app that provides information on the types of air pollution and offers recommendations to improve air quality.
The monitors can detect a range of pollutants, including carbon dioxide, PM2.5 (fine particles), radon, humidity, temperature, and air pressure. Some monitors also measure carbon monoxide, formaldehyde, and volatile organic compounds (VOCs). These devices provide valuable data to help users take informed actions to reduce or eliminate pollutants.
For example, if a monitor detects elevated radon levels, you may consult a radon professional for further advice. If a carbon dioxide monitor indicates rising levels, increasing ventilation by opening windows can help. Similarly, if a particulate matter monitor shows increased levels during cooking, you can improve exhaust ventilation by turning on a range hood or opening windows.
It is important to note that the absence of widely accepted air concentration limits for indoor pollutants means that the levels triggering alerts are determined by the monitor manufacturer. The cost of a monitor does not always reflect its performance, as factors like display quality, housing, sensor type, and number can influence the price.
While air quality monitors provide valuable insights, they should be used alongside other approaches to address specific indoor air quality concerns fully.
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Frequently asked questions
There are several ways to remove pollution from your room. Firstly, identify the source of the pollution and remove it (source control). Then, improve the ventilation in your room by opening the windows to let in fresh air and use extractor or ceiling fans to improve air circulation. Finally, use an air purifier to eliminate any remaining pollutants.
Indoor pollution can come from a variety of sources, including dust, pet dander, mould spores, smoke, and chemicals. Certain household items such as cleaning products, paints, carpets, and furniture can also emit harmful chemicals like volatile organic compounds (VOCs). Even cooking fumes and fireplaces can contribute to indoor pollution.
When choosing an air purifier, consider the size of the room and select a unit with a high CADR (Clean Air Delivery Rate) rating. A higher CADR indicates a greater ability to clean the air effectively. Additionally, ensure that the purifier can target the specific pollutants present in your room.
Yes, certain indoor plants are effective at removing pollutants from the air. Some examples include English ivy, pothos, bamboo palm, and peace lily. These plants not only improve air quality but also add a natural aesthetic to your space.
