How to clean home air after a sandstorm?« Back to Previous Page

Start with your AC unit, as it's likely circulating fine particulate matter throughout your home. Replace the AC filter immediately; a higher MERV rating (11-13) can trap finer dust. Have the AC evaporator coils professionally cleaned, as they are a primary site for dust accumulation and subsequent microbial growth in our high humidity.

Use a HEPA-filter vacuum on all surfaces, including soft furnishings and curtains, as standard vacuums often recirculate fine dust. Follow with damp mopping hard floors; dry dusting simply redistributes the particles. For the fine layer you're describing, use microfiber cloths, which trap dust more effectively than feather dusters.

Seal obvious gaps around windows and doors where dust infiltrates. Consider using an air purifier with a true HEPA filter in the bedrooms, especially where the children sleep, to provide a cleaner air zone. Monitor indoor humidity with a hygrometer, keeping it between 40-60% to prevent dust mites and mould, which can worsen the symptoms you've described.

If symptoms persist despite a thorough cleaning, the fine dust may have triggered mould growth within the AC system or ductwork, a common issue here. In such cases, a professional indoor air quality assessment, including surface and air sampling, can identify the specific irritants. This is particularly advised for persistent respiratory issues in children.