
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
David Pariseau Writes for Healthy Indoor Magazine
Syracuse, NY – February 25th, 2019 – Particles Plus Chief Technical Officer, David Pariseau has been invited to contribute to the Technology Section of Healthy Indoors Magazine. David has kicked off this new assignment with a multi-part series on Air Quality...
Particles Plus AHR-IAQA 2019
Atlanta, GA – January 14, 2018 – Particles Plus will be exhibiting at the 2018 AHR event at the Georgia World Congress Center and attending the 2019 IAQA Annual Conference as their Diamond Sponsors this week. This will be the company’s 4th year as a key sponsor of the...
IMS-RT – Cloud Based Cleanroom Monitoring
Stoughton, MA – December 14th – Instrument Management Software Real Time (IMS-RT) has been launched this week by Particles Plus to provide a secure and robust cloud-based monitoring system for facilities interested in monitoring their cleanrooms or their air quality....