Air quality monitor market is a device that is used to detect and monitor the level of pollutants in air. These devices are used in indoor as well as outdoor environments. These devices are used to detect the pollutants such as carbon monoxide, sulfur dioxide, nitrous oxide, particulate matter, and volatile organic compounds (VOCs). The need to maintain the air quality has fostered the demand for air quality monitors, as polluted air contains harmful pollutants that can lead to health problems. These toxic pollutants are caused due to the emissions from various industries, vehicles, or combustion of fossil fuels in residential areas. The global air quality monitoring market is expected to grow from $3,742 million in 2015 to $6,889 million by 2022, registering a CAGR of 9.2% during the forecast period.