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
Particles Plus Presents At ASIC 2026
Research supported by Particles Plus particle counters was presented at the Air Sensors International Conference, highlighting particulate matter monitoring efforts in residential indoor environments across Mexico City.
Particles Plus Sponsors IAQA 2026 Annual Meeting
Particles Plus, Inc. participated as a Gold Sponsor at the annual meeting of the Indoor Air Quality Association in Carlsbad, California, supporting discussions on indoor environmental quality, airborne contamination monitoring, and healthier buildings.
Particles Plus Launches 6000 Series at INTERPHEX 2026
Particles Plus, Inc. attended INTERPHEX 2026 in New York City, where the company introduced its new 6000 Series High-Flow Particle Counters for cleanroom certification and validation applications.