Luckily there are several ways to take control of the air quality in your home. A lot of factors determine your air quality including outdoor temperature, outdoor humidity, pollen, home building materials, and age of home. You can work to improve your IAQ by eliminating the sources of indoor air pollution and increasing ventilation in your home. Consistently keeping the temperature and humidity level in a good range helps, as well.
Beyond that, the following air quality products are great options for further improving your IAQ. Some address multiple pollutants and some target specific factors.