Best ways to keep House Air Clean in summer Pollutants in your home's air can cause a lot of health issues. Follow these steps for healthier air. Increase ventilation It is perhaps the most beneficial. Even when the weather is cool, open the windows to let in fresh air for a little while every day. It will help keep fresh air circulated in your house. Keep your home clean Get rid of garbage from time to time. Storing garbage over night will contaminate the air at home. Staying ahead of dust and dust mites can dramatically improve the air you breathing. Don't Allow Smoking Indoors Each year, second hand smoke sends up to 15,000 children to the hospital. There is no safe level of secondhand smoke; never let anyone smoke inside your home. Indoor plants Luckily nature has a way of keeping itself clean.Indoor plants are powerful air-cleaning agents that naturally remove pollutants from the air.