In recent years, with the increasingly severe global environmental problems, air quality has become a focus of public concern. Both urban air pollution and indoor air quality issues pose serious threats to human health and the ecological environment. Against this backdrop, air quality detectors, as an important environmental monitoring tool, are in increasing demand, and the market size is continuously expanding.

Air quality detectors are devices that can monitor the concentration of various pollutants in the air in real time. These pollutants include PM2.5, PM10, sulfur dioxide, nitrogen oxides, and more. These devices, through sensors and data acquisition technology, accurately reflect air quality conditions, providing important data support for environmental protection, public health, and industrial production. With continuous technological advancements, the performance of air quality detectors is constantly improving. The application of intelligent, networked, and automated technologies makes data acquisition, transmission, and processing more efficient and accurate.

Globally, the air quality monitoring equipment market is continuously growing. According to market research institutions, the global air quality monitoring equipment market size was \$7.1 billion in 2024 and is projected to reach \$13.3 billion by 2033, an increase of \$6.2 billion. This growth is mainly due to the increasing global attention to air quality issues and continued government investment in environmental protection. Particularly in North America, various strategies adopted by key players, such as partnerships, collaborations, mergers and acquisitions, and product launches, have driven significant market growth. Furthermore, the increasing severity of weather pollution and growing awareness of its adverse health effects are also driving demand for air quality monitoring equipment.

In the indoor air quality monitoring sector, the market also shows strong growth. In 2024, the indoor air quality monitoring instrument segment held a dominant position. This is mainly due to the rapid growth in the installation of air quality monitoring stations, increased public awareness of the health consequences of indoor air pollution, increased deployment of smart home and green building technologies, and a growing preference for pollution-free indoor environments. The global indoor air quality monitoring instrument market is expected to continue its rapid growth in the coming years, reaching \$920 million by 2029, with a compound annual growth rate (CAGR) of 5.6%.

China, as the world's largest developing country, has also made significant progress in the field of air quality monitoring in recent years. The size of China's air quality monitoring instrument market has experienced significant growth in the past few years, mainly due to the government's strengthening of environmental protection policies, increased public health awareness, and continuous technological advancements. In 2023, the total size of China's air quality monitoring instrument market reached 12.5 billion RMB, a year-on-year increase of 15%, a growth rate far exceeding the global average. From a segmented market perspective, portable and fixed monitoring instruments account for the vast majority of market share, while drone-mounted monitoring equipment, as an emerging field, also shows huge market potential.

The Chinese government attaches great importance to environmental protection and air pollution control and has introduced a series of policies and measures to promote the development of the air quality monitoring instrument industry. These policies not only clarify the importance and specific requirements of air quality monitoring but also provide legal protection for the development of the monitoring instrument industry. At the same time, the government also encourages enterprises to increase R&D investment and technological innovation through financial subsidies and tax incentives. These measures have greatly promoted the rapid growth of the air quality monitoring instrument market.

Looking ahead, the demand for air quality detectors will continue to grow. With the strengthening of global environmental protection awareness and increased government investment in environmental protection, air quality monitoring equipment will become an important tool for environmental governance. The demand for monitoring equipment will be even more urgent in areas with increasingly serious air quality problems. Furthermore, with the acceleration of urbanization and people's pursuit of healthy living, the market demand for indoor air quality monitoring equipment will also continue to grow. Technological advancements and innovation will be key factors driving market growth. With the integrated application of new technologies such as the Internet of Things, big data, and artificial intelligence, air quality detectors will achieve more intelligent and networked monitoring services, providing stronger support for environmental protection and human health.

In summary, as an important tool in the field of environmental monitoring, the market demand for air quality detectors is continuously growing, and the market size is also expanding. In the future, with continuous technological advancements and increased global environmental awareness, air quality detectors will play an even more important role in safeguarding human health and environmental safety.