The Smart Device Compare comparison

AirGradient Open Air vs Aranet Radon One

Understand the differences. Decide what matters to your home.

Before you compare every specification

Key differences between AirGradient Open Air and Aranet Radon One

A summary of selected recorded differences between these air quality monitors. Check the full specification table below for details and conditions.

Feature differences among your selected devices

Humidity Alerts (alerts): AirGradient Open Air — Yes; Aranet Radon One — No.
Temperature Alerts (alerts): AirGradient Open Air — Yes; Aranet Radon One — No.
2.4 GHz Wi-Fi (connectivity): AirGradient Open Air — Yes (2.4GHz IEEE 802.11 b/g/n-compliant); Aranet Radon One — No.
Screen (display): AirGradient Open Air — No; Aranet Radon One — Yes.

Specifications to check side by side

Wired (power): AirGradient Open Air — USB-C; Aranet Radon One — No.

Information still to confirm

8 of 46 comparison fields lack a resolved value for at least one selected device. Missing information is not evidence that a feature is absent.
Check the full table and manufacturer documentation before ruling out a device.

These observations are derived from recorded catalog data and have not all been independently verified. Confirm details with the manufacturer before purchasing.

Compare capabilities, compatibility and setup requirements.

Option 1 · AirGradient

AirGradient Open Air

Catalog update date not recorded

View full device profile

Option 2 · Aranet

Aranet Radon One

Last updated October 2026

View full device profile

What the catalog tells us

Understand the tradeoffs.

These counts describe the available data, not a quality score. More features do not automatically make a better device.

16differences with recorded values for every device

8rows with missing or unspecified information

Your priorities, side by side

Focus on what changes.

Mark the specifications you care about. Open manufacturer sources for verification scope; fields without citations remain catalog data. Expand notes for other qualifications.

Differences onlyMy priorities (0)

Showing 46 of 46 rows. “Not recorded” does not mean “No”.

Reading layout

Alerts

Air Quality Alerts

AirGradient Open Air: Yes
Aranet Radon One: Yes
Catalog note
WHO-referenced color-coded radon alarm

Humidity Alerts

AirGradient Open Air: Yes
Aranet Radon One: No

Low Battery Alerts

AirGradient Open Air: Not applicable / unspecified
Aranet Radon One: Yes
Catalog note
The Aranet Home app notifies when the battery is low on battery-powered devices.

Temperature Alerts

AirGradient Open Air: Yes
Aranet Radon One: No

Connectivity

2.4 GHz Wi-Fi

AirGradient Open Air: Yes
Catalog note
2.4GHz IEEE 802.11 b/g/n-compliant
Aranet Radon One: No

5 GHz Wi-Fi

AirGradient Open Air: No
Aranet Radon One: No

Bluetooth

AirGradient Open Air: Yes
Aranet Radon One: Yes

Ethernet

AirGradient Open Air: No
Aranet Radon One: No

Other

AirGradient Open Air: No
Aranet Radon One: No

Thread

AirGradient Open Air: No
Aranet Radon One: No

Z Wave

AirGradient Open Air: No
Aranet Radon One: No

Zigbee

AirGradient Open Air: No
Aranet Radon One: No

Display

Color Screen

AirGradient Open Air: Not applicable / unspecified
Aranet Radon One: No

Screen

AirGradient Open Air: No
Aranet Radon One: Yes

Screen Resolution

AirGradient Open Air: Not applicable / unspecified
Aranet Radon One: Not recorded

Screen Size

AirGradient Open Air: Not applicable / unspecified
Aranet Radon One: Not recorded

Screen Type

AirGradient Open Air: Not applicable / unspecified
Aranet Radon One: E-Ink

Touch Screen

AirGradient Open Air: Not applicable / unspecified
Aranet Radon One: No

Features

Automations

AirGradient Open Air: Yes
Aranet Radon One: No

History Records

AirGradient Open Air: Yes
Aranet Radon One: Yes

Integrations

Alexa

AirGradient Open Air: No
Catalog note
AirGradient is a local, open source monitor read over MQTT or its own dashboard; it publishes no Alexa skill
Aranet Radon One: No
Catalog note
Aranet sensors are Bluetooth instruments read by the Aranet app or the Aranet PRO base station, with no Alexa skill

Apple Home

AirGradient Open Air: No
Aranet Radon One: No

Google Home

AirGradient Open Air: No
Aranet Radon One: No

Home Assistant

AirGradient Open Air: Yes
Aranet Radon One: Yes

Matter

AirGradient Open Air: No
Aranet Radon One: No

SmartThings

AirGradient Open Air: No
Aranet Radon One: No

Power

Battery Life

AirGradient Open Air: Not applicable / unspecified
Aranet Radon One: 7 years

Battery Type

AirGradient Open Air: Not applicable / unspecified
Aranet Radon One: 2x AA

Wired

AirGradient Open Air: USB-C
Aranet Radon One: No

Sensors

Ambient Light

AirGradient Open Air: No
Aranet Radon One: No

Ambient Noise

AirGradient Open Air: No
Aranet Radon One: No

Atmospheric Pressure

AirGradient Open Air: No
Aranet Radon One: No

AirGradient Open Air: No
Aranet Radon One: No

CO₂

AirGradient Open Air

Yes

Manufacturer source

CO₂ sensing is listed.

AirGradient O-1PST product specifications →

Source section: Product description; Technical specifications
Model: O-1PST
Region: Manufacturer global product page; no regional restriction stated for these fields
Firmware: Not specified by this source
Checked: 2026-10-04

Open Air temperature and humidity need correction and may differ from ambient values.

Document check only; not a hands-on test or verification of every regional or firmware variant.

Aranet Radon One

Humidity

AirGradient Open Air

Yes

Manufacturer source

Humidity sensing is listed.

AirGradient O-1PST product specifications →

Source section: Product description; Technical specifications
Model: O-1PST
Region: Manufacturer global product page; no regional restriction stated for these fields
Firmware: Not specified by this source
Checked: 2026-10-04

Open Air temperature and humidity need correction and may differ from ambient values.

Document check only; not a hands-on test or verification of every regional or firmware variant.

Aranet Radon One

Nox

AirGradient Open Air

Yes

Manufacturer source

NOx sensing is listed.

AirGradient O-1PST product specifications →

Source section: Product description; Technical specifications
Model: O-1PST
Region: Manufacturer global product page; no regional restriction stated for these fields
Firmware: Not specified by this source
Checked: 2026-10-04

Open Air temperature and humidity need correction and may differ from ambient values.

Document check only; not a hands-on test or verification of every regional or firmware variant.

Aranet Radon One

Occupancy

AirGradient Open Air: No
Aranet Radon One: No

Pm01

AirGradient Open Air: No
Aranet Radon One: No

Pm03

AirGradient Open Air: Yes
Aranet Radon One: No

Pm1

AirGradient Open Air: Yes
Aranet Radon One: No

Pm10

AirGradient Open Air: Yes
Aranet Radon One: No

PM2.5

AirGradient Open Air

Yes

Manufacturer source

PM2.5 sensing is listed.

AirGradient O-1PST product specifications →

Source section: Product description; Technical specifications
Model: O-1PST
Region: Manufacturer global product page; no regional restriction stated for these fields
Firmware: Not specified by this source
Checked: 2026-10-04

Open Air temperature and humidity need correction and may differ from ambient values.

Document check only; not a hands-on test or verification of every regional or firmware variant.

Aranet Radon One

Radon

AirGradient Open Air: No
Aranet Radon One: Yes

Temperature

AirGradient Open Air

Yes

Manufacturer source

Temperature sensing is listed.

AirGradient O-1PST product specifications →

Source section: Product description; Technical specifications
Model: O-1PST
Region: Manufacturer global product page; no regional restriction stated for these fields
Firmware: Not specified by this source
Checked: 2026-10-04

Open Air temperature and humidity need correction and may differ from ambient values.

Document check only; not a hands-on test or verification of every regional or firmware variant.

Aranet Radon One

TVOC

AirGradient Open Air

Yes

Manufacturer source

TVOC sensing is listed.

AirGradient O-1PST product specifications →

Source section: Product description; Technical specifications
Model: O-1PST
Region: Manufacturer global product page; no regional restriction stated for these fields
Firmware: Not specified by this source
Checked: 2026-10-04

Open Air temperature and humidity need correction and may differ from ambient values.

Document check only; not a hands-on test or verification of every regional or firmware variant.

Aranet Radon One

AirGradient Open Air: No
Aranet Radon One: No

Specifications for AirGradient Open Air versus Aranet Radon One
Specification	AirGradient Open Air	Aranet Radon One
Alerts
Air Quality Alerts	Yes	Yes Catalog note WHO-referenced color-coded radon alarm
Humidity Alerts	Yes	No
Low Battery Alerts	Not applicable / unspecified	Yes Catalog note The Aranet Home app notifies when the battery is low on battery-powered devices.
Temperature Alerts	Yes	No
Connectivity
2.4 GHz Wi-Fi	Yes Catalog note 2.4GHz IEEE 802.11 b/g/n-compliant	No
5 GHz Wi-Fi	No	No
Bluetooth	Yes	Yes
Ethernet	No	No
Other	No	No
Thread	No	No
Z Wave	No	No
Zigbee	No	No
Display
Color Screen	Not applicable / unspecified	No
Screen	No	Yes
Screen Resolution	Not applicable / unspecified	Not recorded
Screen Size	Not applicable / unspecified	Not recorded
Screen Type	Not applicable / unspecified	E-Ink
Touch Screen	Not applicable / unspecified	No
Features
Automations	Yes	No
History Records	Yes	Yes
Integrations
Alexa	No Catalog note AirGradient is a local, open source monitor read over MQTT or its own dashboard; it publishes no Alexa skill	No Catalog note Aranet sensors are Bluetooth instruments read by the Aranet app or the Aranet PRO base station, with no Alexa skill
Apple Home	No	No
Google Home	No	No
Home Assistant	Yes	Yes
Matter	No	No
SmartThings	No	No
Power
Battery Life	Not applicable / unspecified	7 years
Battery Type	Not applicable / unspecified	2x AA
Wired	USB-C	No
Sensors
Ambient Light	No	No
Ambient Noise	No	No
Atmospheric Pressure	No	No
Co	No	No
CO₂	Yes Manufacturer source CO₂ sensing is listed. AirGradient O-1PST product specifications → Source section Product description; Technical specifications Model O-1PST Region Manufacturer global product page; no regional restriction stated for these fields Firmware Not specified by this source Checked 2026-10-04 Open Air temperature and humidity need correction and may differ from ambient values. Document check only; not a hands-on test or verification of every regional or firmware variant.	No
Humidity	Yes Manufacturer source Humidity sensing is listed. AirGradient O-1PST product specifications → Source section Product description; Technical specifications Model O-1PST Region Manufacturer global product page; no regional restriction stated for these fields Firmware Not specified by this source Checked 2026-10-04 Open Air temperature and humidity need correction and may differ from ambient values. Document check only; not a hands-on test or verification of every regional or firmware variant.	No
Nox	Yes Manufacturer source NOx sensing is listed. AirGradient O-1PST product specifications → Source section Product description; Technical specifications Model O-1PST Region Manufacturer global product page; no regional restriction stated for these fields Firmware Not specified by this source Checked 2026-10-04 Open Air temperature and humidity need correction and may differ from ambient values. Document check only; not a hands-on test or verification of every regional or firmware variant.	No
Occupancy	No	No
Pm01	No	No
Pm03	Yes	No
Pm1	Yes	No
Pm10	Yes	No
PM2.5	Yes Manufacturer source PM2.5 sensing is listed. AirGradient O-1PST product specifications → Source section Product description; Technical specifications Model O-1PST Region Manufacturer global product page; no regional restriction stated for these fields Firmware Not specified by this source Checked 2026-10-04 Open Air temperature and humidity need correction and may differ from ambient values. Document check only; not a hands-on test or verification of every regional or firmware variant.	No
Radon	No	Yes
Temperature	Yes Manufacturer source Temperature sensing is listed. AirGradient O-1PST product specifications → Source section Product description; Technical specifications Model O-1PST Region Manufacturer global product page; no regional restriction stated for these fields Firmware Not specified by this source Checked 2026-10-04 Open Air temperature and humidity need correction and may differ from ambient values. Document check only; not a hands-on test or verification of every regional or firmware variant.	No
TVOC	Yes Manufacturer source TVOC sensing is listed. AirGradient O-1PST product specifications → Source section Product description; Technical specifications Model O-1PST Region Manufacturer global product page; no regional restriction stated for these fields Firmware Not specified by this source Checked 2026-10-04 Open Air temperature and humidity need correction and may differ from ambient values. Document check only; not a hands-on test or verification of every regional or firmware variant.	No
Uv	No	No

Know what’s behind the comparison.

The table matches specifications by section and field. It preserves notes, separates missing data from explicit “No” values, and keeps qualifications attached to their values. No overall winner is assigned from feature counts.

Read our comparison methodology