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

Particles Plus, Inc. and IAQA Raise Funds for Charity

Particles Plus, Inc. and IAQA Raise Funds for Charity

West Palm Beach, FL – February 18th, 2020 - Particles Plus, Inc., was in attendance at the 2020 Indoor Air Quality Association Annual Conference and Expo. Particles Plus, a Platinum key sponsor for the event, stepped up to help raise money for the Asthma and Allergy...

read more
Particles Plus to Exhibit at AHR 2020 – Orlando Florida

Particles Plus to Exhibit at AHR 2020 – Orlando Florida

Stoughton, MA – January 10, 2020 –Particles Plus, Inc. will be exhibiting at the upcoming AHR2020 event being held at the Orange County Convention Center this upcoming February 3rd through the 5th.  They will be located in the West Hall at booth number 1472. The AHR...

read more
New Jersey IAQA Chapter Event

New Jersey IAQA Chapter Event

December 12, 2019 – Princeton, NJ - Particles Plus was in attendance as the Diamond Sponsor of the 2019 Central New Jersey Indoor Air Quality Association’s annual Year End Dinner and Technical meeting. The meeting was well attended including the National Association...

read more

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.

You have Successfully Subscribed!