Air Quality Monitors · Head to head

AirGradient Open Air vs Airthings Wave Plus

Full Smart Air Quality Monitors comparison in 2026

Updated July 2026
Data from Amazon and official AirGradient and Airthings sites.
2026 verdict
Across the 2026 comparison, AirGradient Open Air earns the nod over Airthings Wave Plus on the strength of price, weather resistance, and sensors. Its strongest advantages show up in price, weather resistance, and sensors, with its broader overall balance helping widen the gap. There is still a case for Airthings Wave Plus, but mainly if warranty and integrations are what you value most. For most setups, AirGradient Open Air is the smarter buy.
vs
FeatureAirGradient Open AirAirthings Wave PlusWinner
Price$190.00$249.99AirGradient Open Air
Warranty1 year5 yearsAirthings Wave Plus
Weather ResistanceYES (Outdoor)NOAirGradient Open Air
IntegrationsHome AssistantGoogle Home, Alexa, Home Assistant, IFTTTAirthings Wave Plus
SensorsTVOC, PM0.3, PM1, PM2.5, PM10, CO2, NOx, Temperature, HumidityTVOC, CO2, Radon, Temperature, Humidity, Atmospheric PressureAirGradient Open Air
Connectivity2.4 GHz WiFi, BluetoothBluetooth, OtherTie
ScreenNONOTie
AlertsTemperature Alerts, Humidity Alerts, Air Quality AlertsTemperature Alerts, Humidity Alerts, Air Quality AlertsTie
Winner
AirGradient

AirGradient Open Air

$190.00
Buy on Official Store
  • + Price: $190.00
  • + Weather Resistance: YES (Outdoor)
  • + Sensors: TVOC, PM0.3, PM1, PM2.5, PM10, CO2, NOx, Temperature, Humidity
  • - Warranty: 1 year vs 5 years
  • - Integrations: Home Assistant vs Google Home, Alexa, Home Assistant, IFTTT

Frequently Asked Questions

Which is better overall: AirGradient Open Air or Airthings Wave Plus?

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

What is the biggest difference between AirGradient Open Air and Airthings Wave Plus?

Price is one of the clearest differences: AirGradient Open Air lists $190.00, while Airthings Wave Plus lists $249.99.

Which one looks better on price?

AirGradient Open Air is listed at $190.00, while Airthings Wave Plus is listed at $249.99. 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 Airthings Wave Plus?

Choose Airthings Wave Plus if your priority is warranty and integrations and that matters more than price.

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