Air pollution monitoring for governments, businesses, and communities

Clarity’s customers around the world use our sensing-as-a-service air quality monitoring solution to eliminate blind spots and protect the health of their communities.

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  • Enabling clean air action in

    80+ countries

  • Increasing cities’ existing air quality data coverage by an average of


  • Making air pollution monitoring possible for the first time in

    140+ cities

Trusted by governments, communities, and businesses in 70+ countries around the world

Explore featured customer projects using the interactive map below.

Helsinki, Finland

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.

London, United Kingdom

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.

Paris, France

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.

Bishkek, Kyrgyz Republic

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.

Richmond, California

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.

San Francisco, California

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.

Denver, Colorado

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, California

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.

Ar-Rayyan, Qatar

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.

Manila, Philippines

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.

Bengaluru, India

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.

Accra, Ghana

Bogota, Colombia

Brazzaville, Republic of Congo

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.

Jundiaí, Brazil

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.

Perth, Australia

Santiago, Chile

Insite has deployed a network of Node-S sensors in the vicinity of Santiago and are evaluating opportunities for further deployment.

Sydney, Australia

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.

Waikato Region, New Zealand

Discover Clarity customers around the world

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Who we work with

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Air quality measurement for government

Increase air quality monitoring capacity without sacrificing data quality

Clarity’s air pollution monitoring solution is designed to complement existing government infrastructure. We work with you to design a robust air quality monitoring network that is validated for data accuracy and precision.

Clarity’s easy-to-install air pollution monitoring sensors.

See what Air Districts have to say

We work with air districts and environmental agencies to validate our technology. Read third party evaluation reports from the world’s leading air quality experts:

  • Air Parif logo.
  • Sacramento Metropolitan Air Quality Management District logo.
  • California Air Resources Board logo.
  • Denver: The Mile High City logo.
  • San Joaquin Valley Air Pollution Control District logo.
  • Tennessee State Government logo.
Clarity’s PM measurement sensors.

See It For Yourself

If your department or agency is looking to explore indicative monitoring technologies, please reach out to learn more about conducting an initial colocation study.

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The city of Paris, which has one of the largest air pollution sensor networks.

The Future of Air Pollution Monitoring in London

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 data from the innovative Breathe London network are being used to develop a new model of how distributed air quality monitoring can be used to enhance understanding of the local behavior and impacts of urban air pollution.

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Air pollution monitoring for business

Outdoor business operations can be impacted by poor air quality.
  • Envirosuite logo.
  • Cisco logo.
  • GIZ: Deutsche Gesellschaft für Internationale Zusammenarbeit, GmbH logo.
  • University of California Office of the President logo.

Regulatory Compliance

Clarity uses NowCast AQI calculation methods that comply with regulation standards to give you the most accurate and relevant air quality measurement during peak pollution events.

Health and Safety

The difficult decision to inform sensitive populations, provide personal protective equipment, or scale back hours shouldn’t be made based on inaccurate data. Optimize your employee safety efforts by making decisions that are informed by localized air pollution monitoring.

Facilities Management

Shutting down campus or moving work operations indoors/outdoors is a huge business cost. Hyperlocal data allows for precise decisions not otherwise possible with AQI monitoring.

Use Case Spotlight

Hyperlocal PM measurement data is a critical component of wildfire preparedness and response.

Wildfire Preparedness and Response

Wildfires cause temporary spikes in air pollution, creating health risks for sensitive populations. When it comes to making informed decisions around communities, employees, and first responders, air quality data and accurate PM measurement when and where you need it is key.

  • Self-operating monitor with solar panel and cellular connectivity
  • Wildfire-specific data correction
  • U.S. EPA NowCast Compliant AQI
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How Can Clarity Support Your Air Quality Monitoring Goals?

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Monitoring PM and NO₂ for communities

One of Clarity’s community-based air quality measurement sensors.

Data-driven, people-Powered

Air pollution monitoring should be accessible to whoever needs it. Clarity supports community groups and researchers with the technology and expertise necessary to deploy citizen monitoring networks representative of the air people are breathing:

  • Designated air quality expert supports design and deployment
  • Remote data accuracy calibration when collocations are available
  • Academic and community discount program
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Project Spotlight

Installation of Richmond’s citizen air monitoring network.

Richmond launches citizen air monitoring network

As part of the California Air Resources Board (CARB) AB617 Community Air Monitoring Program, Clarity deployed a 50-sensor network in Richmond, California with Groundwork Richmond and Ramboll SHAIR. The network is used to evaluate pollution sources and hotspots in the industrial city, as well as engage community members in environmental education.

San Francisco’s air pollution monitors being installed.

San Francisco deploys hyperlocal air quality monitoring system

As part of the California Air Resources Board (CARB) AB617 Community Air Monitoring Program, Clarity deployed a network in San Francisco, California with Brightline Defense. The sensors are installed near the city’s SRO hotels to monitor how air pollution may be disproportionately affecting low-income communities.

How can Clarity support your air quality monitoring goals?

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Get started with Clarity

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