
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
Orlando Airport Air Quality Monitoring
Orlando, FL – August 9, 2019 – Particles Plus is introducing a true statistics feature for its range of high quality particle counters, allowing users to display or print an analysis for a range of sample data. The onscreen or printed statistics is a powerful tool...
Particles Plus to contract with Amazon Online
Boston, Massachusetts, July 25, 2016 – Particles Plus announced the launch of their new Amazon Direct & Brand Store. The company is tackling its US markets with a competitive approach through the online superstore. The online sales portal concept will allow the...
New Firmware Boasts Statistics Feature
Boston, Massachusetts - June 21, 2019, Particles Plus is introducing a statistics feature for its range of high quality particle counters, allowing users to display or print an analysis for a range of sample data. The onscreen or printed statistics is a powerful tool...