X-Sense XR0A-iR Wi-Fi Radon Detector is the top pick among smart air quality monitors under $200, 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
Airthings325 Corentium Home 2
4.5(382)$179.99
AirthingsWave Mini
4.0(1,121)$89.99
GoveeSmart Air Quality Monitor CO2 H5140
4.4(221)22% OFF$89.99$69.98- Price alerts
Air Quality Monitors under $200, 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.
EveRoom
4.0(382)$109.95
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
AranetRadon One
4.6(65)$179.00
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
AirGradientAirGradient Open Air
$190.00
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Frequently asked questions
What are the best smart air quality monitors under $200?
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 $200, ordered by customer rating weighted by how many reviews back it. The full list compares 22 products in this price range.
How many smart air quality monitors cost less than $200?
This page tracks 22 smart air quality monitors under $200 from 14 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 $200 drops off this list on the next update.
Looking for more than $200?
See all the air quality monitors in the catalog, compared side by side on specs, price and rating.