Be aware of your air.

From wildfire smoke to workplace safety, our monitors provide real-time insights and alerts to help you protect your health and environment.

Advanced, Custom Air Quality Monitor

AirU Pro

A customizable air quality monitor for anyone ranging from your home to large-scale and industrial use. Get real-time data and precise measurements for any environment.

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What can I track?

With a fully equipped AirU Pro, you can monitor all these pollutants. Wind speed/direction, temperature, pressure, humidity, and noise are also available!

Scientific Name	Common Name	Common Sources
PM1 (µg/m³)	Ultrafine Particles	Microorganisms, mineral dust, secondary aerosols, industrial emissions
PM2.5 (µg/m³)	Fine Particles	Vehicle emissions, combustion byproducts, wildfire smoke, industrial emissions
PM10 (µg/m³)	Coarse Particles	Pollen, road dust, construction dust, silica dust, desert dust.
NO2 (ppb)	Nitrogen Dioxide	Vehicle emissions, power plants, industrial processes
O3 (ppb)	Ozone	Vehicle emissions, industrial emissions, photochemical reactions
CO ( ppb)	Carbon Monoxide	Vehicle emissions, wildfires, residential heating, industrial processes
H2S (ppb)	Hydrogen Sulfide	Natural gas extraction, wastewater treatment, volcanic activity
SO2 (ppb)	Sulfur Dioxide	Coal combustion, metal smelting, industrial processes
CO2 (ppm)	Carbon Dioxide	Fossil fuel combustion, deforestation, industrial activities, respiration
CH2O (ppb)	Formaldehyde	Building materials, tobacco smoke, combustion processes
VOC (ppb)	Volatile Organic Compounds	Paints, solvents, vehicle emissions, industrial activities

Connectivity Options

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SD Card

Local storage for collected data.

What it does: Stores air quality data directly on the device.

Use case: Useful for backup or when offline. Data can be retrieved later.

*Included with every AirU Pro

GNSS/GPS

Global Navigation Satellite System / Global Positioning System.

What it does: Pinpoints the monitor’s location using satellites.

Use case: Essential for mapping data or tracking mobile monitors.

Wi-Fi

Wireless internet connection using local networks.

What it does: Sends air quality data through an existing wireless network.

Use case: Easy setup in homes, offices, or schools with Wi-Fi access.

LoRaWAN

Low-power, long-range communication.

What it does: Sends small data packets over long distances using minimal power.

Use case: Ideal for smart cities — supports large sensor networks in parks, streets, or campuses without needing Wi-Fi or cell service.

4G LTE

Cellular data connection for transmitting information wirelessly.

What it does: Sends air quality data to the cloud using cell towers.

Use case: Great for movable units or remote areas without Wi-Fi.

PoE

Power over Ethernet

What it does: Supplies both electricity and internet through an Ethernet cable.

Use cases: Fast, secure setup with no Wi-Fi needed. Perfect for fixed locations and reliable data transmission.

Base-level Air Monitor

AirU+

The AirU+ is a compact, single-pollutant monitor designed to track PM2.5, the most common air pollutant that impacts health. Ideal for personal use or small-scale applications, it provides reliable, real-time data for cleaner air.

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Trusted by experts. Backed by science.

TELLUS provides air quality monitors and software that deliver real-time, reliable data, helping you make decisions to improve air quality and protect health.