Aranet4 HOME is the top pick among smart air quality monitors under $200, rated 4.7 stars across 1,881 customer reviews.

Aranet4 HOME
4.7(1.9K)$189.00
2950 Wave Radon
4.4(2.5K)$109.15
Smart Air Quality Monitor
4.2(5.6K)$69.99
Smart Air Quality Monitor
4.3(1K)$45.99
325 Corentium Home 2
4.4(464)$179.97
Wave Mini
4.0(1.1K)$89.99
15% OFF
Meter Pro (CO2 Monitor)
4.3(328)$59.48$69.99
24% OFFSmart Air Quality Monitor CO2 H5140
4.4(245)$67.99$89.99

Air Monitor Lite
3.6(711)$76.00

SAWF-08P Air Quality Monitor
4.3(174)$49.90- News by email
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SAWF-07P Air Quality Monitor
3.8(198)$39.90

Air Quality Monitor Gen 2
3.5(208)$149.99
Radiation
4.6(79)$139.00
Radon One
4.7(69)$179.00
20% OFF
XR0A-iR Wi-Fi Radon Detector
4.4(47)$79.99$99.99
8% OFFWave Enhance
4.2(46)$147.52$159.99

Smart Air Quality Sensor
$49.99

MSR-2 with CO2
$56.09

CO2 Portable Temp Humi Air Quality Monitor
$69.99

CO2 Air Quality Monitor Temp and Hum
$84.99
AirGradient 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 21 products in this price range.
How many smart air quality monitors cost less than $200?
This page tracks 21 smart air quality monitors under $200 from 12 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.
