Real-time, size-resolved measurements of particulate matter (PM) on a minute-by-minute basis.

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A new approach to measuring particulate matter

Our patent-pending technology combines nephelometry with single particle light scattering to accurately characterize PM whether it's derived from combustion or dust.

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Size-resolved PM measurements

Obtain PM1, PM2.5, and PM10 estimates as well as number concentrations for particles between 0.35 µm and 40 µm.

Data transparency

Access raw and final data including detailed insights into the models used.

Designed for IoT

Devices are LTE/3G enabled providing real-time data accessible from anywhere.

Solar Ready

Powered by a standard 5V, 2A USB-C connection, easily connect your own solar+battery solution or ask about ours.

No maintenance required

Our devices require no manual intervention - just power on and data starts streaming to your dashboard!

Use the QuantAQ Cloud to stream data instantly.

The QuantAQ cloud provides network management tools and data anlytics to streamline your air quality data workflow. Deploying sensor networks is time consuming and costly; let QuantAQ do the heavy lifting!

Create an account

Sign up on and create your team.

Install & turn on your sensor

Unpack and register your sensor in minutes with our guided set-up.

Access your data

View, visualize, and download your data in real-time within minutes of deployment.


A new paradigm for PM sensing

Whether indoors or outdoors, use your MODULAIR™-PM sensor to understand ventilation rates, identify PM hotspots, and quantify human exposure to particulate matter.

Community Monitoring

Build AQ measurement capacity in communities that otherwise don't have access to local AQ information.

Indoor Air Quality

Understand how human activity and ventilation affect your indoor air.

Supplemental Monitoring

Increase the spatial and temporal coverage of existing AQ monitoring networks.

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