Indoor Air Monitors
How to Pick an Air Quality Meter for Your House
Choose an air quality meter by deciding which pollutants matter, where you’ll use it, and whether you need app alerts or portable readings. Compare sensor types and limits.
Pick a home air monitor and understand what it tells you
We compare radon meters, CO2 monitors and multi-sensor air quality monitors by what they measure, how they show the numbers and how they power and connect. You'll also find plain help reading PM2.5, VOC, humidity and radon results.
Latest guides
Indoor Air MonitorsWhich Air Quality Monitors Also Measure Radon?
An air quality monitor with radon can track other indoor readings too. Compare four Airthings options and learn which measurements each one covers.
Models Side by SideAirthings Corentium Home 2 Radon Detector Review
Airthings Corentium Home 2 review: see how its display, app, battery power and extra sensors fit home radon monitoring, plus how it compares with alternatives.
Models Side by SideAirthings Wave Radon vs Corentium Home: Which to Buy?
Airthings Wave Radon vs Corentium Home: compare app access, displays, sensors and portability to choose the Airthings radon detector that fits your home.
Models Side by SideAmazon Air Quality Monitor Review
Amazon air quality monitor review: see what it measures, how Alexa alerts and routines work, and how it compares with Awair, GoveeLife and Ring.
- Indoor Air Monitors
How Accurate Are Home Air Quality Monitors?
Are air quality monitors accurate? Learn what home sensors can measure, why readings vary, and how to use results to spot patterns and guide next steps.
Radon MetersAre Radon Levels Higher in the Basement?
Are radon levels higher in the basement? Often they are, but levels vary by home. Learn where to measure, how long to monitor, and what to do next.
- Indoor Air Monitors
Best Air Quality Monitors for Home
Compare the best air quality monitor for home use by the readings each tracks, app features, power needs, and room fit so you can choose the right monitor.
CO2 MetersBest CO2 Monitors for Home Use
Compare the best CO2 monitor for home use by sensor, power, alerts, app access and extra readings. Find a setup that fits your room and ventilation needs.