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Professional-Grade
Monitoring

Certified and calibrated sensors providing near-reference data quality, suitable for compliance and regulatory standards.

Traceable Data
& Verified Performance

International certifications and traceable on-site calibration ensure data reliability, enhancing credibility in public reports and scientific studies.

Smart Data Analytics
& Modelling Support

Integrated with SEIN platform analytics for automated data validation, source apportionment, and compatibility with air quality modelling.

Remote System Management
& Reduced Maintenance

Enables remote access and system monitoring, minimizing manual checks and ensuring operational continuity.

About us

Who We Are

Homo sapiens means "a wise person." We name ourselves as “Sapiens” and are committed to revitalizing the spirit of innovation and developing revolutionary technologies.

Founded in 2016, we have quickly become a leading provider of sensor-based air monitoring solutions with operations in Hong Kong, Macau, Shanghai, Shenzhen, Dongguan, Europe and the USA. We design, manufacture, and provide comprehensive monitoring services, ensuring integrated capabilities that deliver superior air quality monitoring products and professional support services.

We specialize in harnessing the power of the Internet of Things cloud computing, and big data analytics for environmental monitoring and management, Our key focus areas include construction dust monitoring, industry emissions monitoring, traffic emissions monitoring, indoor air quality management, smart city solutions, odour monitoring and sampling, vessel fuel sulphur assessment, and personal exposure monitoring. Our team of engineers and scientists develops advanced sensors and systems utilizing micro-optics, electrochemistry, and network communication, resulting in high-performance instruments widely used around the world.

265

Completed Projects

Representative Offices

154

Our Clients

Certifications & Patents

Our Technology

Trusted Data Quality

Trusted by international scholars and validated by various agencies for research grade data performance in support of numerous scientific studies.

Superior PM Performance

Sapiens PM sensors are internationally certified with superior performance and near reference data quality. Extended function includes real time particle size distribution for source identification.

Advanced Gas Sensing Technology

Sapiens gas sensors are equipped with patented dynamic baseline tracking technology to physically resist any environmental variation of temperature and humidity for superior near reference data quality.

Our Mission

Rooted in Hong Kong and facing the world, we are committed to developing innovative technologies that positively impact the environment and enhance quality of life.

Would you like a tailored solution customized to your unique operational environment?

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Our Team

At Sapiens, we pride ourselves on our highly educated, multidisciplinary R&D team, strategically structured to drive innovation across diverse technical domains. Through established partnerships with globally renowned sensor manufacturers, we deliver cutting-edge solutions in:

▷ Micro-optical & electrochemical sensor development

▷ Integrated microcontroller systems & network communication protocols

▷ Mechatronic design & control system programming

▷ Detection instrument R&D for industrial and environmental applications

Leveraging our proprietary PM and gas monitoring architectures, we are committed to advancing next-generation, high-performance senor-based air quality monitoring devices that redefine accuracy, reliability, and scalability.

Research Citations

Sapiens technologies are deployed across leading academic and research organizations worldwide, enabling breakthrough discoveries in environmental and industrial monitoring. A selection of recent publications using our products is provided below.

Li, X., Han, S., Wang, P., Han, M., Ning, Z., Dong, F., et al. (2024). Application of roadside air purifiers in urban street canyons: A pilot-scale study in Hong Kong. Science of the Total Environment, 912, 168671

Moroni, S., Cruz Torres, F., Pedrini, R., Palomba, P., Belmuso, S., Bedogni, M., et al. (2023). advanced air quality sensors and remote sensing to investigate vehicular traffic emissions in Milan: cares h2020 project results.

Sun, Y., Mai, Y., Gali, N. K., Brimblecombe, P., Louie, P. K. K., Tsang, Y. Y., et al. (2023). The development and application of a novel helicopter-based airborne platform for near-surface monitoring and sampling of atmospheric pollutants. Atmospheric Environment, 313, 120061.

Qin, X., Wei, P., Ghadikolaei, M. A., Gali, N. K., Wang, Y., & Ning, Z. (2023). The application of a multi-channel sensor network to decompose the local and background sources and quantify their contributions. Building and Environment, 230, 110005.

Zhu X, Zhang Q, Du X, Jiang Y, Niu Y, Wei Y, Zhang Y, Chillrud SN, Liang D, Li H, Chen R, Kan H, Cai J. Respiratory Effects of Traffic-Related Air Pollution: A Randomized, Crossover Analysis of Lung Function, Airway Metabolome, and Biomarkers of Airway Injury. Environ Health Perspect. 2023 May;131(5):57002.

Moroni, S., Cruz Torres, F., Palomba, P., Dal Santo, U., & Colombi, C. (2022). collocation della prima rete di sensori near reference a supporto della pianificazione della città di milano.

Zhang Q, Du X, Li H, Jiang Y, Zhu X, Zhang Y, Niu Y, Liu C, Ji J, Chillrud SN, Cai J, Chen R, Kan H. Cardiovascular effects of traffic-related air pollution: A multi-omics analysis from a randomized, crossover trial. J Hazard Mater. 2022 Aug 5;435:129031.

Du X, Zhang Q, Jiang Y, Li H, Zhu X, Zhang Y, Liu C, Niu Y, Ji J, Jiang C, Cai J, Chen R, Kan H. Dynamic molecular choreography induced by traffic exposure: A randomized, crossover trial using multi-omics profiling. J Hazard Mater. 2022 Feb 15;424(Pt A):127359.

Our Clinent