$69.99
56% above its lowest price of the last 6 months ($44.99)
Updated October 2026
Data from Amazon and official Third Reality site.
2026 verdict
Across the 2026 comparison, Third Reality Smart Air Quality Sensor earns the nod over Amazon Smart Air Quality Monitor on the strength of price, integrations, and alerts.
The main reason it wins is price, integrations, and alerts, and its broader overall balance strengthens that case. Amazon Smart Air Quality Monitor can still be the right pick, but only if rating, connectivity, and sensors outweigh the wider strengths of Third Reality Smart Air Quality Sensor. That is why the final call still favors Third Reality Smart Air Quality Sensor.
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| Feature | Amazon Smart Air Quality Monitor | Third Reality Smart Air Quality Sensor | Winner |
|---|---|---|---|
| Price | $69.99 | $49.99 | Third Reality Smart Air Quality Sensor |
| Rating | 4.2 | 3.3 | Amazon Smart Air Quality Monitor |
| Connectivity | 2.4 GHz WiFi, Bluetooth | Zigbee | Amazon Smart Air Quality Monitor |
| Integrations | Alexa, Home Assistant | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Third Reality Smart Air Quality Sensor |
| Sensors | TVOC, PM2.5, CO, Temperature, Humidity | TVOC, CO2, Temperature, Humidity | Amazon Smart Air Quality Monitor |
| Alerts | Air Quality Alerts | Temperature Alerts, Humidity Alerts, Air Quality Alerts | Third Reality Smart Air Quality Sensor |
| Weather Resistance | NO | NO | Tie |
| Screen | NO | NO | Tie |
$69.99
- + Rating: 4.2
- + Connectivity: 2.4 GHz WiFi, Bluetooth
- + Sensors: TVOC, PM2.5, CO, Temperature, Humidity
- - Price: $69.99 vs $49.99
- - Integrations: Alexa, Home Assistant vs Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
Winner
$49.99
- + Price: $49.99
- + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
- + Alerts: Temperature Alerts, Humidity Alerts, Air Quality Alerts
- - Rating: 3.3 vs 4.2
- - Connectivity: Zigbee vs 2.4 GHz WiFi, Bluetooth
Price history compared
Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.
- Amazon Smart Air Quality Monitor
- Third Reality Smart Air Quality Sensor
Loading price history...
Frequently Asked Questions
Which is better overall: Amazon Smart Air Quality Monitor or Third Reality Smart Air Quality Sensor?
Third Reality Smart Air Quality Sensor has the stronger overall profile in this comparison, especially for price, integrations, and alerts.
What is the biggest difference between Amazon Smart Air Quality Monitor and Third Reality Smart Air Quality Sensor?
Price is one of the clearest differences: Amazon Smart Air Quality Monitor lists $69.99, while Third Reality Smart Air Quality Sensor lists $49.99.
Which one looks better on price?
Amazon Smart Air Quality Monitor is listed at $69.99, while Third Reality Smart Air Quality Sensor is listed at $49.99. Third Reality Smart Air Quality Sensor (better spec).
Who should buy Amazon Smart Air Quality Monitor?
Choose Amazon Smart Air Quality Monitor if your priority is rating and connectivity and that matters more than price.
Who should buy Third Reality Smart Air Quality Sensor?
Choose Third Reality Smart Air Quality Sensor if your priority is price and integrations and that matters more than rating.
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
AranetRadon Plus
$209.00
AranetAranet4 HOME
$189.00
AranetRadon One
$179.00
AranetRadiation
$139.00
Airthings2950 Wave Radon
$109.15
Airthings325 Corentium Home 2
$179.99
GoveeSmart Air Quality Monitor CO2 H5140
24% OFF$89.99$67.99
X-SenseXR0A-iR Wi-Fi Radon Detector
20% OFF$99.99$79.99
EcobeeSmart Thermostat Premium
$249.00
GoveeSmart Air Quality Monitor
13% OFF$45.99$39.99
SonoffSAWF-08P Air Quality Monitor
$49.90- Amazon
Smart Air Quality Monitor
$69.99 
AirthingsWave Plus
$249.99
Airthings2989 View Radon
$219.99
AirthingsWave Enhance
6% OFF$159.99$149.99
AirthingsView Plus
$329.99
AirthingsWave Mini
$89.99
IQAirAirVisual Pro
$329.99
EveRoom
Last priceJun 4, 2026$109.95
Unavailable
SonoffSAWF-07P Air Quality Monitor
$39.90
- Air Quality MonitorsAmazon
Smart Air Quality Monitor
4.2(5,557)$69.99 
DisplaysAmazonEcho Hub
3.9(1,824)$179.99
DisplaysAmazonEcho Show 10 (3rd Gen)
4.5(50,668)Last price$249.99
Unavailable
DisplaysAmazonEcho Show 11
4.2(8,302)$249.99
DisplaysAmazonEcho Show 15
4.4(6,470)$349.99
DisplaysAmazonEcho Show 21
4.4(6,470)$499.99
DisplaysAmazonEcho Show 5 (3rd Gen)
4.2(72,861)$99.99
DisplaysAmazonEcho Show 8 (2025)
4.2(8,302)$199.99
DisplaysAmazonEcho Show 8 (3rd Gen)
4.4(30,189)$149.99
PlugsAmazonSmart Plug
4.7(571,240)$24.99
SpeakersAmazonEcho (4th Gen)
4.7(152,467)Last priceSep 23, 2026$99.99
Unavailable
SpeakersAmazonEcho Dot (5th Gen)
4.7(200,709)$79.99
SpeakersAmazonEcho Dot Max
4.3(5,409)$119.99
SpeakersAmazonEcho Pop
4.6(109)Last priceSep 16, 2026$39.99
Unavailable
SpeakersAmazonEcho Spot
4.5(46,251)$109.99
SpeakersAmazonEcho Studio (2025)
4.0(1,380)$219.99
SpeakersAmazonEcho Studio
4.5(41,944)Last priceOct 7, 2026$199.99
Unavailable
Streaming DevicesAmazonFire TV Cube (3rd Gen)
4.4(16,035)$199.99
Streaming DevicesAmazonFire TV Stick 4K Max (2nd Gen)
4.6(83,430)$84.99
Streaming DevicesAmazonFire TV Stick 4K Select
4.2(17,579)$49.99
- Air Quality MonitorsThird Reality
Smart Air Quality Sensor
$49.99 
DonglesThird RealityUSBC-Dongle
3.1(72)20% OFF$19.99$15.99
Garage Door OpenersThird RealitySmart Garage Door Opener
4.0(89)$49.99
LED BulbsThird RealitySmart Color Bulb ZL2
4.1(4)$15.99
Presence SensorsThird RealitySmart Presence Sensor R2
3.5(15)25% OFF$39.99$29.99
Presence SensorsThird RealitySmart Presence Sensor R3
3.4(61)20% OFF$49.99$39.99
Vibration SensorsThird RealityVibration Sensor
4.1(605)$19.99
Wall OutletsThird RealitySmart Wall Outlet ZW1
3.5(13)$29.99
Water Leak SensorsThird RealitySmart Water Leak Sensor WL2
4.0(43)22% OFF
$17.99$13.99
Water Leak SensorsThird RealityWater Leak Sensor
4.1(351)$20.99
Window CoveringsThird RealitySmart Blind Gen2
4.1(5)$181.99
Window CoveringsThird RealitySmart Blind
4.0(108)$158.99