Easy Ways to Improve Indoor Air Quality It is no doubt there is a difference in the air in the house and outside. The air at home and that from the outside differs because of the things in the house that change the quality. For instance, when a house has fewer windows, door or ventilation and so on. These are the core determinants of the air quality in the house. Making sure that you have clean air in the house is vital. A lot of health issues may come up when an individual doesn’t take care of the air quality of his or her home.