Air Quality Monitors · Head to head

AirGradient Open Air vs Aranet4 HOME

Full Smart Air Quality Monitors comparison in 2026

Data from Amazon and official AirGradient and Aranet sites.
2026 verdict
In this 2026 AirGradient Open Air vs Aranet4 HOME comparison, AirGradient Open Air comes out ahead thanks to price, weather resistance, and connectivity.
AirGradient Open Air
Winner
AirGradient Open Air
$190.00
Buy on Official StoreCheck price
It wins the broader comparison through price, weather resistance, and connectivity, while sensors help confirm the result. Aranet4 HOME remains a niche alternative if warranty and screen matter more than the rest of the comparison. That makes AirGradient Open Air the clearer recommendation in 2026.
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FeatureAirGradient Open AirAranet4 HOMEWinner
Price$190.00€199.00AirGradient Open Air
Warranty1 year2 yearsAranet4 HOME
Weather ResistanceYES (Outdoor)NOAirGradient Open Air
Connectivity2.4 GHz WiFi, BluetoothBluetoothAirGradient Open Air
ScreenNOYESAranet4 HOME
SensorsTVOC, PM0.3, PM1, PM2.5, PM10, CO2, NOx, Temperature, HumidityCO2, Temperature, Humidity, Atmospheric PressureAirGradient Open Air
IntegrationsHome AssistantHome AssistantTie
AlertsTemperature Alerts, Humidity Alerts, Air Quality AlertsTemperature Alerts, Humidity Alerts, Air Quality AlertsTie

Frequently Asked Questions

Which is better overall: AirGradient Open Air or Aranet4 HOME?

AirGradient Open Air has the stronger overall profile in this comparison, especially for price, weather resistance, and connectivity.

What is the biggest difference between AirGradient Open Air and Aranet4 HOME?

Price is one of the clearest differences: AirGradient Open Air lists $190.00, while Aranet4 HOME lists €199.00.

Which one looks better on price?

AirGradient Open Air is listed at $190.00, while Aranet4 HOME is listed at €199.00. AirGradient Open Air (better spec).

Who should buy AirGradient Open Air?

Choose AirGradient Open Air if your priority is price and weather resistance and that matters more than warranty.

Who should buy Aranet4 HOME?

Choose Aranet4 HOME if your priority is warranty and screen and that matters more than price.

Full comparison table

Compare all 32 Air Quality Monitors side by side

You are looking at two of them. The full table lines up all Air Quality Monitors in the catalog with the same specs, so you can filter by what you need and sort by price or rating.

  • 32 Air Quality Monitors
  • 54 specs compared
  • 50 filters
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32 air quality monitors from 16 brands compared: Airthings, Aranet, AirGradient and more. CO2, PM2.5, VOC and radon sensors, battery life and apps.

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