Indoor air quality is often much worse than outdoor air. The Environmental Protection Agency (EPA) estimates that indoor pollution levels can be two to five times higher than outdoor pollution levels. Most Marshall people spend about 90 per cent of their time indoors, and pure indoor air quality in Marshall has a huge impact on our daily lives. In addition, indoor air pollution is a major cause of allergies and asthma.
Why winter worsens indoor air quality
Homes are built to be energy efficient (and therefore cost-effective) by storing heat in winter and retaining heat in summer. Winter weather encourages homeowners to seal gaps in the insulation that allow cold currents to enter the home. This in turn isolates the home from fresh air and increases the level of allergens and pollutants in the home.
Source of pollution at home
Household pollutants come from various sources. The first step to making sure your family has the cleanest air is knowing where the pollutants are coming from. Below is a list of the most common sources of indoor air pollution:
Combustion sources such as petroleum, gas, kerosene, coal, and wood. All household appliances that use this fuel can cause indoor air pollution. Such equipment includes wood stoves, fireplaces, boilers, dryers and ovens. It is very important to ensure that these devices are properly maintained and properly regulated so that they do not emit harmful levels of pollutants in the home. The heating system itself is a type of combustion source.