X-Sense XR0A-iR Wi-Fi Radon Detector is the top pick among smart air quality monitors under $150, rated 4.6 stars across 1,926 customer reviews.
X-SenseXR0A-iR Wi-Fi Radon Detector
4.6(1,926)20% OFF$99.99$79.99
Airthings2950 Wave Radon
4.4(2,482)$109.05
EcobeeSmart Thermostat Premium
4.5(852)27% OFF$204.97$149.63
AmazonSmart Air Quality Monitor
4.2(5,513)$69.99
GoveeSmart Air Quality Monitor
4.3(1,027)13% OFF$45.99$39.99
AirthingsWave Mini
4.0(1,121)$89.99
GoveeSmart Air Quality Monitor CO2 H5140
4.4(221)22% OFF$89.99$69.98
EveRoom
4.0(382)$109.95- Price alerts
Air Quality Monitors under $150, updated as prices fall
We check the price of every Air Quality Monitor in the catalog daily, and email you the ones that drop into this range.
QingpingAir Monitor Lite
3.5(695)$76.00
SonoffSAWF-08P Air Quality Monitor
4.2(162)$49.90
SonoffSAWF-07P Air Quality Monitor
3.7(178)$39.90
AranetRadiation
4.6(76)$139.00
QingpingAir Quality Monitor Gen 2
3.4(199)$149.99
AirthingsWave Enhance
4.2(43)28% OFF$159.99$114.98
SwitchBotMeter Pro (CO2 Monitor)
3.7(17)$79.99
Third RealitySmart Air Quality Sensor
$49.99
Apollo AutomationMSR-2 with CO2
$56.09
MoesCO2 Portable Temp Humi Air Quality Monitor
$69.99
MoesCO2 Air Quality Monitor Temp and Hum
$84.99
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Frequently asked questions
What are the best smart air quality monitors under $150?
X-Sense XR0A-iR Wi-Fi Radon Detector, Airthings 2950 Wave Radon and Ecobee Smart Thermostat Premium lead our ranking of smart air quality monitors under $150, ordered by customer rating weighted by how many reviews back it. The full list compares 19 products in this price range.
How many smart air quality monitors cost less than $150?
This page tracks 19 smart air quality monitors under $150 from 13 brands, with prices starting at $39.90.
Are these prices up to date?
Prices come from each product's Amazon listing and are re-checked continuously, so every card shows the latest price we have. A product whose price rises above $150 drops off this list on the next update.
Looking for more than $150?
See all the air quality monitors in the catalog, compared side by side on specs, price and rating.