What are some sustainable ways to reduce the spread of infectious diseases indoors?

1 Ventilate naturally

One of the simplest and most effective ways to reduce the spread of infectious diseases indoors is to increase the natural ventilation. This means opening windows, doors, or vents to allow fresh air to circulate and dilute the indoor pollutants and pathogens. Natural ventilation can also lower the temperature and humidity levels, which can inhibit the growth of bacteria and fungi. However, be mindful of the outdoor air quality and weather conditions, and avoid creating drafts or noise.

2 Use filters and purifiers

Another way to improve the indoor air quality and reduce the risk of infection is to use filters and purifiers. These devices can trap or eliminate airborne particles, allergens, odors, and microorganisms that can cause diseases. Some examples are high-efficiency particulate air (HEPA) filters, activated carbon filters, ultraviolet (UV) light, and ionizers. However, make sure to choose the right size, type, and placement of your filter or purifier, and maintain it regularly.

3 Clean and disinfect

Cleaning and disinfecting your indoor surfaces and objects can also help prevent the spread of infectious diseases. Cleaning removes dirt, dust, and organic matter that can harbor germs, while disinfecting kills or inactivates them. Use a damp cloth or mop, and avoid dry sweeping or dusting, which can stir up particles. Choose eco-friendly cleaning products that are biodegradable, non-toxic, and low in volatile organic compounds (VOCs). Follow the instructions on the label and wear gloves and masks when necessary.

4 Control moisture

Moisture can promote the growth of mold, mildew, and bacteria, which can trigger allergic reactions, asthma, and infections. To control the moisture level indoors, use exhaust fans or dehumidifiers in areas that are prone to dampness, such as bathrooms, kitchens, and basements. Fix any leaks or cracks that can cause water damage. Avoid overwatering plants or aquariums. Keep your indoor humidity between 30% and 50%, and monitor it with a hygrometer.

5 Optimize lighting

Lighting can also affect your indoor environmental quality and health. Natural light can boost your mood, productivity, and immunity, while artificial light can disrupt your circadian rhythm, sleep quality, and hormone balance. To optimize your lighting, use daylighting techniques, such as skylights, windows, or light shelves, to maximize the natural light indoors. Use energy-efficient light bulbs, such as LEDs or CFLs, that emit less heat and UV radiation. Adjust the brightness, color, and direction of your light sources to suit your needs and preferences.

6 Incorporate plants

Plants can enhance your indoor environment in many ways. They can purify the air by absorbing carbon dioxide and releasing oxygen. They can also filter out some pollutants, such as formaldehyde, benzene, and xylene. Plants can lower the temperature and humidity levels, and create a natural cooling effect. Plants can also improve your well-being by reducing stress, anxiety, and depression. Choose plants that are suitable for your indoor conditions, such as light, water, and space availability.

7 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?