AirGradient ONE vs Qingping Air Monitor: Which Should You Buy?
A spec-by-spec comparison of the AirGradient ONE ($150) and the Qingping Air Monitor ($100) — accuracy, sensors, connectivity, and which one fits your situation.
Quick Verdict
The Qingping Air Monitor is $50 cheaper; the AirGradient ONE has the tighter stated CO2 accuracy (±50 ppm); the AirGradient ONE tracks more parameters (6 vs 5).
Choose the AirGradient ONE if measurement accuracy is your priority, or you want the fuller picture (CO2, PM2.5, Temperature, Humidity, VOC, NOx).
Choose the Qingping Air Monitor if you want to spend less.
Specs Side by Side
| Feature | AirGradient ONE | Qingping Air Monitor |
|---|---|---|
| Price | $150 | $100 |
| Sensors | CO2, PM2.5, Temperature, Humidity, VOC, NOx | CO2, PM2.5, PM10, Temperature, Humidity |
| Sensor Type | NDIR | NDIR |
| CO2 Accuracy | ±50 ppm | ±75 ppm |
| CO2 Range | 400-5000 ppm | 400-5000 ppm |
| Connectivity | WiFi | Bluetooth, WiFi |
| Display | Yes | Yes |
| Portable | No | No |
| Battery Life | USB-C powered | USB powered |
Green highlights the stronger spec where there is a clear winner.
Frequently Asked Questions
Which is better, the AirGradient ONE or the Qingping Air Monitor?+
The Qingping Air Monitor is $50 cheaper; the AirGradient ONE has the tighter stated CO2 accuracy (±50 ppm); the AirGradient ONE tracks more parameters (6 vs 5). Choose the AirGradient ONE if measurement accuracy is your priority, or you want the fuller picture (CO2, PM2.5, Temperature, Humidity, VOC, NOx). Choose the Qingping Air Monitor if you want to spend less.
Is the AirGradient ONE or Qingping Air Monitor cheaper?+
The Qingping Air Monitor is the more affordable option at $100, versus $150 for the AirGradient ONE.
Do both use real CO2 sensors?+
The AirGradient ONE uses a NDIR sensor; the Qingping Air Monitor uses a NDIR sensor. NDIR and photoacoustic sensors measure CO2 directly, unlike eCO2 estimators.
Which measures more air quality parameters?+
The AirGradient ONE tracks more, with 6 parameters (CO2, PM2.5, Temperature, Humidity, VOC, NOx), compared with 5 for the Qingping Air Monitor.
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.
Airthings View Plus
$300NDIR sensor · ±50 ppm · Built-in display
Research-grade ±50 ppm accuracy and tracks 7 metrics in one unit.
Temtop M2000
$130NDIR sensor · ±75 ppm · Built-in display
NDIR sensing with a 0-5000 ppm range.
Browse the full monitor directory →
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