Winner
Updated October 2026
Data from the official AirGradient and Amazon sites.
2026 verdict
Across the 2026 comparison, AirGradient Open Air earns the nod over Amazon Smart Air Quality Monitor on the strength of weather resistance, sensors, and alerts.
The comparison tilts its way because of weather resistance, sensors, and alerts, with local control keeping it in front. Amazon Smart Air Quality Monitor can still be the right pick, but only if price and integrations outweigh the wider strengths of AirGradient Open Air. For most setups, AirGradient Open Air is the smarter buy.
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| Feature | AirGradient Open Air | Amazon Smart Air Quality Monitor | Winner |
|---|---|---|---|
| Price | $190.00 | $69.99 | Amazon Smart Air Quality Monitor |
| Weather Resistance | YES (Outdoor) | NO | AirGradient Open Air |
| Integrations | Home Assistant | Alexa, Home Assistant | Amazon Smart Air Quality Monitor |
| Sensors | TVOC, PM0.3, PM1, PM2.5, PM10, CO2, NOx, Temperature, Humidity | TVOC, PM2.5, CO, Temperature, Humidity | AirGradient Open Air |
| Alerts | Temperature Alerts, Humidity Alerts, Air Quality Alerts | Air Quality Alerts | AirGradient Open Air |
| Local Control | YES | NO | AirGradient Open Air |
| Warranty | 1 year | 1 year | Tie |
| Connectivity | 2.4 GHz WiFi, Bluetooth | 2.4 GHz WiFi, Bluetooth | Tie |
| Screen | NO | NO | Tie |
Winner
$190.00
- + Weather Resistance: YES (Outdoor)
- + Sensors: TVOC, PM0.3, PM1, PM2.5, PM10, CO2, NOx, Temperature, Humidity
- + Alerts: Temperature Alerts, Humidity Alerts, Air Quality Alerts
- - Price: $190.00 vs $69.99
- - Integrations: Home Assistant vs Alexa, Home Assistant
$69.99
- + Price: $69.99
- + Integrations: Alexa, Home Assistant
- - Weather Resistance: NO vs YES (Outdoor)
- - Sensors: TVOC, PM2.5, CO, Temperature, Humidity vs TVOC, PM0.3, PM1, PM2.5, PM10, CO2, NOx, Temperature, Humidity
Frequently Asked Questions
Which is better overall: AirGradient Open Air or Amazon Smart Air Quality Monitor?
AirGradient Open Air has the stronger overall profile in this comparison, especially for weather resistance, sensors, and alerts.
What is the biggest difference between AirGradient Open Air and Amazon Smart Air Quality Monitor?
Price is one of the clearest differences: AirGradient Open Air lists $190.00, while Amazon Smart Air Quality Monitor lists $69.99.
Which one looks better on price?
AirGradient Open Air is listed at $190.00, while Amazon Smart Air Quality Monitor is listed at $69.99. Amazon Smart Air Quality Monitor (better spec).
Who should buy AirGradient Open Air?
Choose AirGradient Open Air if your priority is weather resistance and sensors and that matters more than price.
Who should buy Amazon Smart Air Quality Monitor?
Choose Amazon Smart Air Quality Monitor if your priority is price and integrations and that matters more than weather resistance.
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Compare all 32 Air Quality Monitors side by side
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