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
Happy Halloween from Particles Plus, Inc.
Smoke from ongoing North Shore wildfires has shrouded Salem in a Halloween fog, pushing air quality into “unhealthy” levels and prompting safety warnings for trick-or-treaters.
Insights from Global Conferences and Emerging Technologies
We’ve been busy over the past few months! Particles Plus recently attended the US EPA’s National Ambient Air Monitoring Conference (NAAMC), the University of Miami’s Center for Aerosol Science and Technology (CAST) Workshop, and the European Aerosol Conference (EAC)...
Kicking Up Dust: How Unpaved Roads Are Polluting the Arctic Circle
Boston, USA - August 2024 - As the sun rises over the Arctic Circle, light filters through a grey haze blanketing the remote hamlet of Tukttoyatuk, Canada. While local residents embark on their daily routines across the dusty roads, they face an unsettling question:...








