We make air quality measurement easy.
One inclusive ambient air quality monitoring solution makes it easier to reliably and cost-effectively measure air pollution, when and where it matters. Hardware, software, and service all included in one comprehensive package.
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Accurate air quality data for London, at scale
Breathe London pioneers a new model for urban air quality management that engages communities, coordinates agencies, and drives real improvements in air pollution — all made possible by the Clarity Node-S device.
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Resilient air quality monitoring during wildfires
Stay safe by staying informed during wildfires. Deploying low-cost sensors is a simple yet effective strategy that doesn't rely on WiFi or power outlets. Get real-time information to make informed decisions and enhance emergency response readiness, ensuring the safety of your community.
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Why Sensing-as-a-Service for air pollution monitoring?
No separate software purchase. No add-on warranties. No unexpected expenses.
With one upfront service, we’re giving you the affordability, flexibility, and autonomy to eliminate all of your air quality blind spots.
Air Quality Measurement
Self-powered Clarity Node-S air quality monitoring hardware measures PM₂.₅ and NO₂ and serves as a platform for additional modules such as Wind, Black Carbon, and Ozone.
Air Quality Data Visualization
Data access via Clarity Dashboard, REST API, and Clarity OpenMap to visualize pollutant levels
Air Quality Project Support
Dedicated account manager for air quality monitoring project and data support
Hear about Breathe London's clean air movement
Measure more air pollutants with Clarity Modules
Our core technology — the Clarity Node-S — has been re-imagined and re-engineered to vastly expand the capabilities of our air quality monitoring solution.
With Clarity Modules, the Node-S is now a platform for scalable air quality measurements beyond particulate matter and nitrogen dioxide — helping you derive more complete air quality insights than ever before.
Trusted by governments, communities, and businesses
Who we work with
Scalable air quality monitoring used in 70+ countries around the world
Explore featured customer projects using the interactive map below.
The Finnish Institute for Atmospheric and Earth System Research used a network of Clarity Node-S sensors to develop a virtual sensor network capable of providing reliable air quality information.
In 2021, London installed more than 100 Clarity air sensors at London hospitals, schools, and other sensitive locations to complement existing high-quality reference-grade monitors and enable measurement of ambient air pollution at the neighborhood level.
The City of Paris installed a 150-sensor network of Clarity Node-S to better understand air quality around schools in the French capital. Partial funding provided by Bloomberg Philanthropies.
50 Clarity Node-S air quality monitors were installed in Bishkek to help improve public health and quality of life. The project, funded by the Asian Development Bank, seeks to improve air quality in the capital and areas around the city with significant pollution levels.
Groundwork Richmond installed a network of several dozen Node-S to monitor pollution from freeways and a nearby refinery with funding from the AB 617 Community Air Grants Program.
Brightline Defense was awarded funding to deploy a network of 15 air quality monitoring devices in several San Francisco neighborhoods, which expanded to 19 because of increased community demand.
Clarity’s Node-S provides the DDPHE an affordable means of addressing community concerns and identifying hotspots, and has enabled the DDPHE to improve the resolution of their air quality monitoring network.
Los Angeles Unified School District deployed 200 Node-S sensors to create the largest air quality monitoring network of any school system in the United States.
A network of Clarity Node-S sensors was colocated with reference equipment at the Qatar Environment & Energy Research Institute to provide air quality data for analysis and evaluate the potential for expansion of further indicative monitoring in Quatar.
A network of 30 Node-S air quality sensors was deployed at strategic locations frequented by vulnerable populations, with an emphasis on schools and hospitals. Project implemented by the GCHA & HEAL.
Clarity deployed a pilot network of Clarity Node-S devices throughout Metro Manila in partnership with Clean Air Asia and the Environment Management Bureau (EMB) to demonstrate the potential for low-cost sensors to support improved air quality management practices.
A network of Clarity Node-S sensors was installed in collaboration between Columbia University & Marien Ngouabi University. They are some of the first air quality monitoring devices installed in the region and will help to better understand and characterize air quality.
Monitoring will be performed with two Clarity Node-S, with funding provided through a donation from NB Capital Investimentos and Consultoria LTDA. The two monitoring stations that will be moved to different sites across the city.
Insite has deployed a network of Node-S sensors in the vicinity of Santiago and are evaluating opportunities for further deployment.
Clean Air Schools Program: After a successful pilot program with UNSW, Clarity Nodes will be placed in classrooms and playgrounds to put accurate, real-time data at the fingertips of all Australians to enable them to make better decisions about their local environment and health.
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