Airthings View Plus vs AirGradient ONE: Which Should You Buy?
A spec-by-spec comparison of the Airthings View Plus ($300) and the AirGradient ONE ($150) — accuracy, sensors, connectivity, and which one fits your situation.
Quick Verdict
The AirGradient ONE is $150 cheaper; the Airthings View Plus tracks more parameters (7 vs 6).
Choose the Airthings View Plus if you want the fuller picture (CO2, Temperature, Humidity, Radon, VOC, PM2.5, Atmospheric Pressure).
Choose the AirGradient ONE if you want to spend less.
Specs Side by Side
| Feature | Airthings View Plus | AirGradient ONE |
|---|---|---|
| Price | $300 | $150 |
| Sensors | CO2, Temperature, Humidity, Radon, VOC, PM2.5, Atmospheric Pressure | CO2, PM2.5, Temperature, Humidity, VOC, NOx |
| Sensor Type | NDIR | NDIR |
| CO2 Accuracy | ±50 ppm | ±50 ppm |
| CO2 Range | 400-5000 ppm | 400-5000 ppm |
| Connectivity | Bluetooth, WiFi | WiFi |
| Display | Yes | Yes |
| Portable | No | No |
| Battery Life | USB powered + battery backup | USB-C powered |
Green highlights the stronger spec where there is a clear winner.
Frequently Asked Questions
Which is better, the Airthings View Plus or the AirGradient ONE?+
The AirGradient ONE is $150 cheaper; the Airthings View Plus tracks more parameters (7 vs 6). Choose the Airthings View Plus if you want the fuller picture (CO2, Temperature, Humidity, Radon, VOC, PM2.5, Atmospheric Pressure). Choose the AirGradient ONE if you want to spend less.
Is the Airthings View Plus or AirGradient ONE cheaper?+
The AirGradient ONE is the more affordable option at $150, versus $300 for the Airthings View Plus.
Do both use real CO2 sensors?+
The Airthings View Plus uses a NDIR sensor; the AirGradient ONE uses a NDIR sensor. NDIR and photoacoustic sensors measure CO2 directly, unlike eCO2 estimators.
Which measures more air quality parameters?+
The Airthings View Plus tracks more, with 7 parameters (CO2, Temperature, Humidity, Radon, VOC, PM2.5, Atmospheric Pressure), compared with 6 for the AirGradient ONE.
Neither One Quite Right? Consider These
Other monitors in the same class, ranked on sensor accuracy first.
Aranet Aranet4 Home
$200NDIR sensor · ±50 ppm · Built-in display
Research-grade ±50 ppm accuracy and runs 2+ years on a charge.
Temtop M2000
$130NDIR sensor · ±75 ppm · Built-in display
NDIR sensing with a 0-5000 ppm range.
Qingping Air Monitor
$100NDIR sensor · ±75 ppm · Built-in display
Tracks 5 metrics in one unit and logs to an app over WiFi.
Browse the full monitor directory →
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