Aranet4 HOME is the top pick among smart air quality monitors under $200, rated 4.7 stars across 1,878 customer reviews.
AranetAranet4 HOME
4.7(1,878)$189.00
Airthings2950 Wave Radon
4.4(2,513)$109.15
AmazonSmart Air Quality Monitor
4.2(5,561)$69.99
GoveeSmart Air Quality Monitor
4.3(1,043)13% OFF$45.99$39.99
Airthings325 Corentium Home 2
4.4(453)$179.99
AirthingsWave Mini
4.0(1,123)$89.99
SwitchBotMeter Pro (CO2 Monitor)
4.3(326)15% OFF$69.99$59.48
GoveeSmart Air Quality Monitor CO2 H5140
4.4(242)24% OFF$89.99$67.99
EveRoom
4.0(382)$109.95
QingpingAir Monitor Lite
3.6(709)$76.00- News by email
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SonoffSAWF-08P Air Quality Monitor
4.3(174)$49.90
SonoffSAWF-07P Air Quality Monitor
3.8(196)$39.90
QingpingAir Quality Monitor Gen 2
3.5(207)$149.99
AranetRadiation
4.6(78)$139.00
AranetRadon One
4.7(68)$179.00
X-SenseXR0A-iR Wi-Fi Radon Detector
4.4(45)20% OFF$99.99$79.99
AirthingsWave Enhance
4.2(45)11% OFF$159.99$142.49
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?
Aranet4 HOME, Airthings 2950 Wave Radon and Amazon Smart Air Quality Monitor 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 13 brands, with prices starting at $39.90.
Are these prices up to date?
Prices 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.