Air quality is a major factor in your well-being. High CO2 levels inside can make you feel tired and tamper with your productivity. But when air pollution is high outdoors, you're better off keeping your windows closed. If you'd like to know the best time to air out your place or be alerted when outdoor air quality is taking a dive, you need an air quality monitor.
IQAir AirVisual Pro and AirVisual Outdoor Review: Breathe Easy
