
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 Announces Diamond Sponsorship of Change the Air Foundation Summit, Featuring Gwyneth Paltrow
Boston, USA – September 18th, 2023 – Particles Plus, a global leader in advanced particle counter manufacturing and air quality monitoring, is proud to announce its diamond sponsorship of the Change the Air Foundation Summit, held on September 18, 2023. The Summit,...
Particles Plus Lifetime Warranty
Malaga, Spain - September 4, 2023 - Particles Plus, Inc., a global leader in the design and manufacture of high-quality particle counters and air monitoring instruments, is thrilled to announce the introduction of its Lifetime Warranty program. This unprecedented...
Introducing the 11000 Series for Outdoor Air Quality Management
Stoughton, USA – August 08th, 2023 – Particles Plus® is thrilled to announce the launch of our groundbreaking 11000 Series, a state-of-the-art ambient air quality monitoring solution. This innovative product will revolutionize the way we measure and analyze air...