Clarity air quality data performance evaluation: 

Los Angeles, California

The plots below show the performance of Clarity Nodes when using both Global and Collocation-Based Collocation:

  • Source:
    Clarity Lab
  • Region:
    US & Canada
  • Location:
    Los Angeles, California
  • Pollutants:
    PM2.5
    &
    NO2
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The Clarity Remote Calibration Process

We are committed to transparency and scientific integrity, and recognize that air quality data performance specifications should reflect real-world conditions rather than idealized scenarios — that's why all of our performance results are for long-term collocations, rather than selectively showcasing only the best outcomes for short-term collocations, as is often the case in our industry.

Calibration is included free of charge as part of Clarity's Sensing-as-a-Service offering — we calibrate all air quality sensor data on behalf of our customers. After Onboarding, Clarity customers have the option to choose between pre-calibration using the Global Calibrations or Collocation-Based Collocation, as illustrated by the graphic below.

What is the difference between Global & Collocation-Based Calibration?

Pre-Calibration with Global Calibration

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All Clarity Nodes come equipped with preset standard calibrations — the Global Calibrations — for both PM2.5 and NO2 measurements. This ensures that calibrated data are available even for organizations without access to a reference monitor or that choose not to perform collocation-based calibration.

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Collocation-Based Calibration

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While pre-calibration with Global Calibration significantly improves data performance, we highly recommend Collocation-Based Calibration for any air quality sensor network.

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Performance results by type of calibration applied

Pre-calibrated results for Particulate Matter (PM2.5)

Clarity’s air quality monitoring Node-S hardware sensor.

Pre-calibrated results for Nitrogen Dioxide (NO2)

Clarity’s air quality monitoring Node-S hardware sensor.

Collocation-based results for Particulate Matter (PM2.5)

Clarity’s air quality monitoring Node-S hardware sensor.

Collocation-based results for Nitrogen Dioxide (NO2)

Clarity’s air quality monitoring Node-S hardware sensor.

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.

Hardware -
Hardware

Easily deployed air monitoring devices

Self-powered Clarity Node-S air quality monitoring hardware measures PM2.5 and NO2 and serves as a platform for additional modules that measure Wind, Black Carbon, and Ozone.

Explore our devices
Clarity's user friendly air quality management dashboard - Learn more
Cloud

Cloud data management & visualization

Air quality measurements and air sensor network status are easily accessible in real-time via Clarity’s user-friendly Dashboard, REST API, and OpenMap.

Learn more about Clarity Cloud
Dedicated Environmental Project Manager to help you with your Air Quality Management project. Learn more.
Support

Expert air quality project support

An experienced Environmental Project Manager to help you define a project plan and guide you through Collocation and Calibration of your devices.

Meet our team
Contact Clarity