How to Improve Indoor Air Quality in Your Home

We spend most of our time indoors, yet indoor air quality often gets overlooked. Here's how to address common air quality issues.

Understanding Indoor Air Pollutants

Common indoor pollutants include: - Dust and dust mites - Pet dander - Mold spores - Volatile organic compounds (VOCs) from paints, cleaners, furniture - Carbon monoxide (from combustion) - Outdoor pollutants that enter the home

Source Control

The most effective approach is reducing pollution sources:

Reduce Chemical Sources - Choose low-VOC paints and finishes - Store chemicals in sealed containers - Limit use of fragranced products - Ensure proper venting for gas appliances

Control Biological Sources - Fix water leaks promptly to prevent mold - Maintain humidity between 30-50% - Wash bedding weekly in hot water - Vacuum regularly with a HEPA-equipped vacuum

Keep It Clean - Dust with damp cloths (dry dusting spreads particles) - Remove shoes at the door - Clean regularly but don't over-clean with harsh chemicals

Ventilation

Fresh air dilutes indoor pollutants: - Open windows when outdoor air is clean - Use bathroom and kitchen exhaust fans - Ensure dryers vent outside - Consider an energy recovery ventilator for continuous fresh air

Filtration

Upgrade Your HVAC Filter Moving from a basic filter to a MERV 13 captures more particles. Ensure your system can handle the increased resistance.

Consider Air Purifiers For specific concerns, portable air purifiers with HEPA filters can help. Place them where you spend the most time.

Maintain Filters Any filter only works if you replace it regularly.

Humidity Control

Too Humid Promotes mold, dust mites, and discomfort. Use dehumidifiers or AC to maintain below 50%.

Too Dry Causes respiratory irritation and static electricity. Add humidity with a humidifier, aiming for 30-50%.

When to Get Professional Help

Consider professional assessment if: - You notice musty smells (possible mold) - Family members have unexplained respiratory issues - You suspect carbon monoxide problems - Recent renovations used materials of concern