Compare measured quantities, power and local-versus-hosted data paths.
The decision in brief
How the options differ
Both provide direct CO2 and PM2.5 sensing with on-device numbers. View Plus additionally includes radon. ONE offers a documented local-data route and time-limited included hosted access. Choose the measurements and data arrangement you need, not an overall health score.
By CompareFoundry · Published · Editorial review · Manufacturer documentation, not hands-on testing.
The buying guide
Package and specification details
Radon changes the sensor scope
View Plus includes a radon sensor; the documented ONE sensor set does not. Neither CO2 nor particle measurements substitute for radon readings. Conversely, a longer sensor list does not demonstrate better accuracy for every shared quantity. This comparison does not certify either device for a professional test or a particular regulatory purpose.
ONE includes a bounded hosted-access period and documents local server or Home Assistant integration. Those local paths need setup and do not automatically reproduce every hosted service. View Plus uses a Wi-Fi app/dashboard path. Check export, retention and account requirements independently rather than treating a dashboard as an unlimited archive or a commercial API grant.
ONE includes a USB cable but excludes the power plug. View Plus lists batteries and a USB-C cable, with USB power required for hub operation. ONE reports relative VOC/NOx indices; do not compare these as identical units to another monitor output. The useful decision combines sensor type, power and the way readings will be used.
These manufacturer specifications do not establish measured performance, noise, long-term reliability or running cost. We have not independently tested these products. Check current prices, stock and operating-space instructions with the seller and manufacturer.
View Plus (US selection)YesSource · 2026-10-11Airthings: View Plus US model 2960 specificationsChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.
CO2 method and revision
The manufacturer-described CO2 sensing technology.
The method alone does not establish calibrated accuracy or identical behavior between revisions.
ONE (US selection)NDIR; SenseAir S8/S88 sensor revision as documented for the supplied unit.Source · 2026-10-11AirGradient: ONE fully assembled I-9PSL specifications and service scopeChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.
View Plus (US selection)NDIR CO2 sensor.Source · 2026-10-11Airthings: View Plus US model 2960 specificationsChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.
PM2.5 sensing
Whether a particle sensor for PM2.5 is documented.
CO2, particles and gases are different quantities. One sensor does not measure all of them.
View Plus (US selection)YesSource · 2026-10-11Airthings: View Plus US model 2960 specificationsChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.
Radon sensing
Whether the product includes a documented radon sensor.
Keep sensor presence separate from professional test certification, local rules and interpretation of results.
View Plus (US selection)YesSource · 2026-10-11Airthings: View Plus US model 2960 specificationsChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.
VOC signal type
The documented VOC-related output or its absence.
A relative index, total-VOC estimate and compound-specific concentration are not interchangeable.
ONE (US selection)Relative TVOC and NOx indices from SGP41; not compound-specific concentrations.Source · 2026-10-11AirGradient: ONE fully assembled I-9PSL specifications and service scopeChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.
View Plus (US selection)VOC-related measurement; it does not identify individual chemical compounds.Source · 2026-10-11Airthings: View Plus US model 2960 specificationsChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.
Temperature and humidity
Whether both temperature and relative humidity sensing are documented.
Use the placement and operating conditions in the manual; a shared room does not imply identical readings.
View Plus (US selection)YesSource · 2026-10-11Airthings: View Plus US model 2960 specificationsChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.
Numeric display on the device
Whether the device itself displays numeric readings.
A coloured indicator is not a numeric display. App readings are a separate viewing route.
View Plus (US selection)YesSource · 2026-10-11Airthings: View Plus US model 2960 specificationsChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.
Data connection
The documented local or internet connection path.
Bluetooth synchronization does not by itself provide remote access from outside the home.
ONE (US selection)2.4 GHz Wi-Fi; local integration is documented separately from hosted services.Source · 2026-10-11AirGradient: ONE fully assembled I-9PSL specifications and service scopeChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.
View Plus (US selection)2.4 GHz Wi-Fi; Bluetooth setup and SmartLink hub functions have separate conditions.Source · 2026-10-11Airthings: View Plus US model 2960 specificationsChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.
Power and included equipment
Power source and relevant package equipment.
A supplied USB cable does not establish a supplied wall adapter. Battery life depends on usage and settings.
View Plus (US selection)Six AA batteries or USB-C power; batteries and USB-C cable are listed. Hub operation requires USB power.Source · 2026-10-11Airthings: View Plus US model 2960 specificationsChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.
History, export and service conditions
Documented ways to view or retain data and the applicable service limits.
Local readings, a cloud dashboard, export and commercial API rights are different entitlements.
ONE (US selection)12 months of hosted dashboard/API access are included; local server and Home Assistant options have their own setup requirements.Source · 2026-10-11AirGradient: ONE fully assembled I-9PSL specifications and service scopeChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.
View Plus (US selection)App and dashboard access over Wi-Fi. Using it as a hub for compatible Wave devices needs power, network and device pairing.Source · 2026-10-11Airthings: View Plus US model 2960 specificationsChecked 2026-10-11. We reviewed the official page text on the check date. Checkout options were not verified.
Questions to check before buying
ONE (US selection)Read the source notes for the exact package and operating conditions.
View Plus (US selection)Read the source notes for the exact package and operating conditions.
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