
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
Outdoor Monitor Launches at AIHce 2019
Minneapolis, MN – May 20th, 2019 – Particles Plus launched their new EM-10000 Outdoor Environmental Monitor at the 2019 Annual AIHce Exposition in the Minneapolis Convention Center. Particles Plus has been on the leading edge of particulate counting technology since...
Particles Plus Attends NADCA 2019
Nashville, TN – April 1 2019 – The NADCA 30th Annual Meeting & Exhibition was held in downtown Nashville drawing more than 600 HVAC duct cleaning professionals to the Music City Center convention complex. Particles Plus attended and exhibited at the event...
EIA US-China Delegation Meeting
Chevy Chase, MD – March 7th, 2019 – Particles Plus CEO, Adam Giandomenico was on hand today with the Environmental Information Association (EIA) while hosting a delegation from China to discuss Indoor Air Quality, Lead Paint and other indoor environmental concerns....