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 and extended features. Count On Us for accuracy, quality, reliability and value.

The most accurate sensor and particle counting technology on Earth

HVAC Air Duct Monitoring

Classroom Monitoring

Traffic Monitoring

Pollution Monitoring

Mining Monitoring

Operating Room Monitoring

Airport Perimeter Monitoring

Aerospace Monitoring

Waiting Room Monitoring



Engineered and manufactured from the ground up in America

Over 85% of Particles Plus parts (50% USA & 35.7% Canada) are built by more than 30 suppliers located across USA and Canada.

100% of Particles Plus products are designed and assembled in the USA.

Latest News

David Pariseau to Speak at Sensors USA Show 2019

David Pariseau to Speak at Sensors USA Show 2019

Santa Clara, CA – October 7th, 2019 – David Pariseau, Chief Technical Office and Co-Founder of Particles Plus, will be speaking at the Santa Clara Convention Center on November 20th at the Sensor USA event that is part of the IDTechEx Show.  David will be speaking on...

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Particles Plus Attending IAQ & Energy Conference 2019

Particles Plus Attending IAQ & Energy Conference 2019

Boston – Sept 10th, 2019 – Particles Plus will be attending the IAQ & Energy Conference on October 31st to November 1st at the Holiday Inn Portland-By The Bay in Portland Maine. The conference provides professionals with a collaborative environment to learn about...

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COVID-19 and Particles Plus Operational Update

As we continue to navigate these uncertain times, the safety and well‑being of our employees, customers, and the communities we serve, remains our top priority. To that end, as an essential business, Particles Plus, Inc.’s Manufacturing and Service Operations remain operational.

We are continually monitoring the recommendations from the CDC and other leading world health authorities to guide our policies and we have put in place a very aggressive infectious disease response plan to ensure the welfare of our employees, customers, suppliers, and the community.

We certainly are living in extraordinary times, and we are confident in our team members' ability to adapt to these temporary changes seamlessly as we continue to deliver the level of products and services our customers deserve. Particles Plus remains well capitalized with strong liquidity and we are prepared to be here in support of our customers as we navigate through this pandemic.

We will continue to take proactive, educated actions with the needs, health and safety of our employees, customers, suppliers, and communities at the forefront of every decision we make. Please call us at +1-781-341-6898 or email with any questions.

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