
Count On Us™
Particles Plus offers a line of advanced-technology particle counters, air quality monitors, and environmental sensors. As the most vertically integrated particle counter manufacturer and technology licensing company in the industry, Particles Plus engineers and manufactures its own counter, display, battery, vacuum pump, and sensor technology from the ground up. Added intelligence in each module results in products with superior performance, extended features, accuracy, quality, reliability and value.

The most accurate sensor and particle counting technology on Earth


Made in USA
100% of Particles Plus® products are designed and assembled in the USA, while 89.2% of the parts are built by 35 different suppliers located in the USA and Canada.
Latest News
Theory and Technique, International Conference on Sustainable Environment 2023
Chaing Mai, Thailand – January 12th – Particles Plus Ltd had the pleasure to attend the Theory and Technique, International Conference on Sustainable Environment 2023 (TAAR 2023). Professor Yoshio Otani presented his findings regarding measuring highly concentrated...
Society of Indoor Environment Japan (SIEJ) 2022
Tokyo, Japan – December 1st – Particles Plus Ltd had the pleasure to attend the Society of Indoor Environment Japan (SIEJ) 2022 conference, where apart from exhibiting our air quality solutions, we had the chance to read interesting scientific research from the...
National Ambient Air Monitoring Conference 2022
Pittsburgh, PA – August 24th – Particles Plus had the pleasure to attend the National Ambient Air Monitoring Conference (NAAMC) 2022, where apart from exhibiting air quality solutions, also shared the results of an in-depth study that was presented by Professor Anil...

PARTICLES PLUS, INC.
31 Tosca Drive
Stoughton, MA 02072 USA
Phone: +1-781-341-6898
hello@particlesplus.com