About STI

Founded in 1982, Sonoma Technology, Inc. (STI) is a firm of about 40 technical staff members providing air quality and meteorological research and services. In addition to meteorological and air quality measurements, modeling, emissions, and data analysis, our services include geographic information systems, custom instrumentation, training and education, specialized software development, exposure assessment, air quality forecasting, and policy analysis. Our recent work includes major studies across the United States as well as projects in Canada, Mexico, Egypt, China, Qatar, and Antarctica. STI is an employee-owned company based in Petaluma, California.

STI's staff includes scientists with expertise in meteorology, chemistry, atmospheric sciences, policy analysis, and computer science. Our senior scientists serve as members of university faculty, government advisory committees, and journal editorial boards. STI scientists regularly publish in scientific journals; act as peer reviewers for journals, associations, and government agencies; and actively participate in public education programs.

In our third decade, we are excited by the availability of rapidly advancing technologies in the environmental business sector and the variety of opportunities and intellectual challenges they provide our dynamic staff.