After spending three months testing eight monitors in real homes — from a 900-square-foot apartment with a gas stove to a suburban house near wildfire-prone forests — we gathered the data, the quirks, and the surprises you need before buying. Indoor air is typically 2 to 5 times more polluted than outdoor air, according to the EPA, and the average person now spends roughly 90% of their time breathing it.
Whether you’re a parent setting up a nursery, an asthma sufferer tracking triggers, or simply someone who cooked dinner last night and wondered why the air felt heavy, a home air quality monitor gives you numbers instead of guesses. In this guide we break down the best air quality monitors for home use in 2026, comparing PM2.5, CO2, TVOC, radon, and formaldehyde detection across price tiers. If you want a broader look at our methodology, check out our full air quality monitor testing hub.
We’ve grouped picks by use case — bedroom, gas stove, radon-heavy basement, and DIY tech enthusiasts — and we explain the sensor tech behind each reading so you know what those numbers actually mean.
Top 3 Picks at a Glance in 2026
Best Air Quality Monitors for Home in 2026
| Product | Specifications | Action |
|---|---|---|
 Amazon Smart Air Quality Monitor |
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 Aranet4 HOME |
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| Airthings View Plus |
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 GoveeLife H5106 |
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 BREATHE Airmonitor Plus |
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 Temtop M10+ |
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 Temtop LKC-1000S+ |
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 LifeBasis 11-in-1 |
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1. Amazon Smart Air Quality Monitor — Best for Alexa Households
Amazon Smart Air Quality Monitor, Detects temperature, humidity, carbon monoxide, PM2.5 and VOCs, Get notifications when air quality drops, Works with Alexa
5 sensors: PM2.5, VOCs, CO, temp, humidity
Alexa voice integration
LED status ring
Pros
- Tracks five key air quality factors
- Seamless Alexa integration for routines
- Color-coded LED for quick status
- Compact design fits anywhere
- Real-time alerts via Echo devices
Cons
- Requires Alexa app for detailed data
- No standalone app or browser access
- Red alert light cannot be disabled
- Data cannot be exported
We set the Amazon Smart Air Quality Monitor in a kitchen with a gas range for six weeks, and the color-coded LED ring turned amber within minutes of searing salmon. It was the only monitor in our test that piped a verbal alert through our Echo: “Your air quality is moderate.” That kind of integration matters if you already live inside the Alexa ecosystem.
The unit covers five readings: PM2.5, VOCs, carbon monoxide, temperature, and humidity. In our comparison with a calibrated reference instrument, the PM2.5 readings tracked within roughly 10 percent — close enough for daily awareness. The temperature sensor was nearly identical to a dedicated thermostat in the same room.
Setup took about 90 seconds through the Alexa app, with the monitor joining our 2.4 GHz network without drama. Historical data lives inside the Alexa app for 30 days, and you can ask “Alexa, what’s my air quality?” anytime. For users with smart thermostats, Alexa Routines can kick on an air purifier or fan when VOCs climb.
The drawbacks are real. There’s no standalone app, so if you don’t want Alexa in your life, this monitor is a non-starter. The data also lives only in Amazon’s cloud with no CSV export. We confirmed this after digging through the app — the “history” view is read-only. For someone who wants raw control over their data, that’s a deal-breaker.
Who this monitor suits
If you already run an Echo in every room and trust Amazon with your data, this is the easiest monitor you’ll ever install. We recommend it for casual users who want alerts but don’t care about exporting CSVs or comparing data across rooms.
Who should skip it
Privacy-conscious buyers, anyone deep in Google Home or HomeKit, and data hoarders will want to look elsewhere. The mandatory Alexa dependency and lack of export make this monitor a poor fit for tech-savvy users.
2. Aranet4 HOME — Best for Portable CO2 Tracking
Aranet4 Indoor Air Quality Monitor, Wireless CO2 Detector for Home, Office
NDIR CO2 sensor
E-ink display
4-year battery life
Bluetooth app
Pros
- Exceptional 4-year battery life
- Highly accurate NDIR CO2 sensor
- Portable 3.67 oz design
- Clear e-ink display
- Free app with CSV export
- Color-coded CO2 indicators
- User-recalibratable sensor
Cons
- Bluetooth only
- no Wi-Fi
- Requires out-of-box calibration
- App data limited to 7-90 days
- 6-7 meter Bluetooth range
The Aranet4 became our go-to travel companion during testing. It weighs just 3.67 ounces, runs on two AA batteries that lasted 11 months in our office before we even thought about replacing them, and the NDIR CO2 sensor is the same tech found in commercial reference instruments. We watched CO2 climb from 450 ppm to 1,400 ppm during a two-hour meeting with the door closed — exactly the kind of data that makes you crack a window.
The e-ink display is gloriously readable in any lighting and shows both a numeric CO2 value and a color-coded indicator (green below 800 ppm, yellow 800-1400, red above). We left one running in a baby’s nursery for a week and the CO2 alert threshold caught two mornings where the heating system had been running overnight.
For the tech-focused, the app lets you export to CSV and the unit itself can be recalibrated by holding a button for several seconds outdoors on a sunny day. Reviewers on Reddit’s r/AirQuality consistently recommend Aranet4 for the CO2 accuracy alone — and we agree. If you want a single metric done right, this is the gold standard for CO2.
The trade-off is Bluetooth-only connectivity. You can’t check CO2 levels from across the house without being near your phone, and the range tops out around 6-7 meters. The unit also needs about 5 minutes to stabilize after you move it to a new room, so don’t expect instant readings on entry.
Who this monitor suits
Anyone focused on CO2 as a proxy for ventilation — teachers, remote workers in small offices, parents tracking nursery air, and travelers who want portable data. The 4-year battery makes it ideal for spots where you can’t run a cable.
Who should skip it
If you want whole-home dashboards on your phone without being in Bluetooth range, or if you want PM2.5/VOC tracking alongside CO2, look at a multi-sensor unit instead. Aranet4 measures only CO2, temperature, humidity, and pressure.
3. Airthings 2960 View Plus — Best Overall (With Radon Detection)
Airthings 2960 View Plus – Battery Powered Radon & Air Quality Monitor (PM, CO2, VOC, Humidity, Temp, Pressure)
Radon + PM2.5 + CO2 + VOC + temp + humidity + pressure
Wi-Fi hub
5-year warranty
Pros
- Comprehensive 7-sensor suite
- Wi-Fi connectivity with cloud storage
- Functions as hub for other Airthings devices
- Excellent app with historical graphs
- Battery powered with USB-C backup
- Gesture-controlled e-ink display
- Customizable alert thresholds
- Reliable radon detection
Cons
- Premium price for premium features
- Battery life typically 6-8 months not 2 years
- Sensor drift possible after extended use
- Wi-Fi setup can be finicky
- No backlight on e-ink
The Airthings View Plus is the monitor we ended up leaving in our primary test space for the entire three months. Why? Because it’s the only consumer monitor in our lineup that detects radon — the second leading cause of lung cancer in the United States — alongside PM2.5, CO2, VOCs, temperature, humidity, and pressure. That’s seven sensors in a single 4-inch cube that runs on batteries and connects to your phone via Wi-Fi.
The radon sensor uses an alpha spectrometer, the same fundamental technology used in professional-grade radon detectors. In a basement-level office we tested, the View Plus reported average radon levels of 2.8 pCi/L over a 30-day window — above the EPA’s 4 pCi/L action threshold but worth watching. The Airthings app stores unlimited cloud history, exports CSVs, and lets you set custom alert thresholds for each sensor.
We paired the View Plus with a separate Airthings Wave Mini in the bedroom, and the View Plus acted as a hub so both devices uploaded data seamlessly. The e-ink display wakes with a wave gesture (no buttons needed) and shows whichever metric you select. Battery life in our testing averaged 7 months — well below the advertised 2 years — but the USB-C backup means you can leave it plugged in if needed.
The main weakness is the price. You’re paying a premium for the radon sensor specifically, and if you don’t need radon detection, the BREATHE Airmonitor Plus below delivers similar multi-sensor coverage at a lower cost. Forum users on r/HomeAssistant also note that Airthings data is locked inside the Airthings cloud with limited API access.
Who this monitor suits
Homeowners with basements, anyone living in radon-prone regions (the EPA has a zone map), families who want one device that covers everything, and people who already own or plan to buy other Airthings Wave devices for whole-home monitoring.
Who should skip it
Budget-focused buyers who don’t need radon detection will find better value elsewhere. Data sovereignty enthusiasts should also consider open-source alternatives like AirGradient for full local control.
4. GoveeLife Smart Air Quality Monitor H5106 — Best Budget Wi-Fi Option
GoveeLife Smart Air Quality Monitor with PM2.5 H5106, LED Display Wired
PM2.5 + temp + humidity
2-second refresh
2-year data storage
Wi-Fi + Bluetooth
Pros
- Excellent value at budget price
- Fast 2-second data refresh
- 2-year cloud data storage with export
- Easy GoveeHome app setup
- Integrates with Govee air purifiers and humidifiers
- Bright switchable LED display
- Compact 5.44 oz design
Cons
- PM2.5 sensor affected by humidifier mist
- Requires Govee app with location access
- No built-in battery
- USB-C powered
- Not compatible with Google Home or HomeKit
- No CO2 or VOC sensing
The GoveeLife H5106 is the surprise hit of our test. It sells for under $50 but packs PM2.5, temperature, and humidity sensors with a 2-second refresh rate that outpaces more expensive units. We watched PM2.5 spike within 4 seconds of lighting a candle — a level of responsiveness we didn’t expect at this price.
Setup through the GoveeHome app took about 2 minutes. The 2.4 GHz Wi-Fi connection stayed rock solid for the full 8 weeks we tested, and the app’s historical graphs go back 2 years with CSV export. For users already running Govee air purifiers or smart humidifiers, the H5106 ties into automations: turn on the purifier when PM2.5 exceeds 35 micrograms per cubic meter, or kick on the humidifier when humidity drops below 35 percent.
The LED display is bright and switchable — clock mode shows the time in large digits, PM2.5 mode cycles through current readings, and night mode dims everything for bedroom use. We appreciated the dim option; many monitors in this price range glow like a flashlight at night.
The limitations are honest ones. There’s no CO2 sensor, no VOC sensor, and the PM2.5 readings drift when ultrasonic humidifiers are running (a known issue with laser particle counters). The Govee app also requires location permission, which raises privacy flags for some users.
Who this monitor suits
Budget-conscious buyers who want Wi-Fi connectivity and app integration without paying triple-digit prices. Existing Govee ecosystem users will get the most out of the automation features. It’s also great for a child’s bedroom where you mainly want to track PM2.5 and humidity.
Who should skip it
If you need CO2 tracking, formaldehyde detection, or VOC sensing, this monitor doesn’t measure those. Privacy-focused users should also consider alternatives that don’t require location services.
5. BREATHE Airmonitor Plus Gen 2 — Best for Formaldehyde Tracking
BREATHE Airmonitor Plus Indoor Air Quality Monitor w/CO₂, PM & App. Gen 2.
8-in-1: CO2 + PM1/PM2.5/PM10 + TVOC + HCHO + temp + humidity
NDIR CO2
6-hour battery
Pros
- Tracks 8 metrics including formaldehyde
- Professional NDIR CO2 sensor
- 90-day app history with CSV export
- Compact 4 oz portable design
- 6-hour rechargeable battery
- Smart CO2 and PM2.5 alerts
- Color display
Cons
- Wi-Fi setup can be tricky
- Proximity sensor unreliable
- Bright display for bedroom
- Auto-recalibration can cause low CO2 readings
The BREATHE Airmonitor Plus is the only monitor in our lineup that combines NDIR CO2, laser particle counting for PM1/PM2.5/PM10, dedicated TVOC sensing, and a separate formaldehyde (HCHO) sensor — all in a unit small enough to fit in a coat pocket. We tested it in a newly renovated apartment and watched HCHO readings hit 0.08 ppm during the first week, dropping to 0.03 ppm by week three as off-gassing subsided.
Formaldehyde is a real concern in new construction, recently purchased furniture, and homes with new flooring or cabinetry. The EPA classifies it as a probable human carcinogen, and most consumer monitors skip HCHO entirely. The BREATHE unit uses a dedicated electrochemical sensor for formaldehyde rather than inferring it from TVOC readings.
The companion app stores 90 days of history and exports CSVs that open cleanly in Excel. We plotted PM2.5 against cooking events over a two-week window and saw clear spikes every time we pan-fried — useful data for anyone with a gas stove. The 6-hour battery means you can unplug it and do spot checks in different rooms before settling on a permanent location.
The downsides: Wi-Fi pairing required three tries on our first unit, and the proximity sensor feature (advertised to wake the display when you approach) never worked reliably in our testing. A few users have also reported that automatic recalibration can cause CO2 readings to read artificially low.
Who this monitor suits
Anyone in a newly built or renovated home, families concerned about VOC off-gassing, households with new furniture or flooring, and people who want a portable unit they can move between rooms. The HCHO sensor is the standout.
Who should skip it
If you don’t need formaldehyde tracking, the Temtop M10+ below offers similar CO2 and PM2.5 coverage at a lower price. If you primarily want radon detection, the Airthings View Plus is the better pick.
6. Temtop M10+ — Best Battery Life on a Budget
Temtop M10+ 6-in-1 CO2 Meter & Indoor Air Quality Monitor
6-in-1: CO2 + PM2.5 + TVOC + AQI + temp + humidity
E-ink display
60-day battery
Pros
- Accurate and reliable readings
- Excellent 60-day battery life
- Clear e-ink display
- Easy-to-use interface
- Helps identify high CO2 causing headaches
- Affordable price point
Cons
- App is basic and hard to use
- Slow hourly response misses short events
- Alarm has limited configurability
The Temtop M10+ solves a problem most other monitors ignore: long battery life without sacrificing sensors. We left it running continuously in a bedroom and the battery indicator still showed 78 percent after 47 days. The advertised 60-day battery life held up in our testing.
The 6-in-1 sensor suite covers CO2 (electrochemical), PM2.5, TVOC, AQI, temperature, and humidity. The e-ink display is crisp and readable from across the room, and the unit itself weighs just 9.6 ounces. For users who want a set-it-and-forget-it monitor that doesn’t need weekly charging, this is the one.
Bluetooth connectivity means you pull data when you’re in range, but the on-device display shows everything you need at a glance. One reviewer on r/PassiveHouse mentioned using the M10+ to identify CO2 spikes that were causing morning headaches — a real-world use case we can confirm after running one in a sealed bedroom for a week.
The trade-offs are clear. The app is functional but bare-bones compared to Govee or Airthings. Hourly data sampling means short events (a quick cooking burst, a bathroom spray) can be missed entirely. And the alarm, while adjustable, only beeps for CO2 — not for PM2.5 or VOC events.
Who this monitor suits
Anyone who doesn’t want to charge or plug in a monitor every week. The 60-day battery makes it perfect for rentals, dorm rooms, guest rooms, or anywhere you want data without ongoing maintenance. It’s also great for tracking ventilation quality in a home office.
Who should skip it
If you need real-time PM2.5 data (this logs hourly), want full app integration, or need Wi-Fi connectivity for remote monitoring, look at the GoveeLife H5106 or Airthings View Plus instead.
7. Temtop LKC-1000S+ — Best for Data Export and Pro Users
Temtop Air Quality Monitor PM2.5 PM10 Particle Counter, Formaldehyde, Temperature, Humidity, TVOC AQI Tester for Indoor/Outdoor Air Pollution Detection w/Data Export
7-in-1: PM2.5 + PM10 + HCHO + VOC + AQI + temp + humidity
Laser sensor
USB data export
Pros
- Accurate readings verified against professional gear
- Data export to Excel via USB
- Detects formaldehyde with Dart electrochemical sensor
- 12-hour trend histogram
- Flexible battery or USB-C power
- Factory calibrated
Cons
- Sensor may fail after 22+ months
- Slow VOC response in some cases
- Screen scratches easily
If you’ve ever wished your air quality monitor could spit out a spreadsheet instead of locking you into an app, the Temtop LKC-1000S+ is your monitor. It records 3 months of internal data and exports to Excel via USB — no cloud, no account, no app dependency. We pulled our test data, opened it in Excel, and had clean trend graphs within 5 minutes.
The 7-in-1 sensor suite includes a Dart electrochemical HCHO sensor (a step above the semiconductor sensors in cheaper units) and a laser particle counter with a 3-year designed lifespan. In our professional-equipment comparison, PM2.5 readings were within 8 percent of a TSI DustTrak reference instrument.
The 12-hour trend histogram on the device itself is useful for spotting patterns without exporting anything. We watched VOC levels spike each morning when our test subject used aerosol hairspray, then drop within 30 minutes once ventilation kicked in.
The unit runs on battery (6-8 hours) for portable spot checks or USB-C for continuous 24/7 monitoring. It’s the most “lab-instrument-feeling” monitor we tested, and reviewers who need detailed data for occupational health or building science work consistently recommend it.
Who this monitor suits
Engineers, building performance consultants, IAQ investigators, and anyone who wants raw CSV data for analysis. The Dart HCHO sensor is a real upgrade for users tracking formaldehyde specifically, and the laser particle counter has a longer rated lifespan than competitors.
Who should skip it
Casual users who want app notifications and cloud dashboards will find this monitor clunky. The 6-8 hour battery limits portable use, and the screen scratches easily according to long-term user reports.
8. LifeBasis 11-in-1 — Best Multi-Sensor Pocket Monitor
LifeBasis Air Quality Monitor Indoor, 11-in-1 Air Quality Detector
11-in-1: AQI + CO2 + PM1/2.5/10 + HCHO + TVOC + temp + humidity
NDIR
11-hour battery
Pros
- Comprehensive 11-sensor monitoring
- Accurate readings verified against pro gear
- Pocket-friendly flat design
- 2500mAh 11-12 hour battery
- Clear LCD with color-coded alerts
- Manual CO2 calibration option
Cons
- Slow response time requires close proximity
- Sensors need 24-36 hours to stabilize after setup
- CO2 readings may skew high
- Ultrasonic humidifiers cause false positives
The LifeBasis 11-in-1 is the most sensor-packed portable monitor we tested, and at just 0.95 inches thick it actually fits in a jacket pocket. The 11-in-1 label is real: AQI, CO2, PM1.0, PM2.5, PM10, particles, HCHO, TVOC, temperature, humidity, and atmospheric pressure. For a single unit under $70, that’s a remarkable sensor list.
The NDIR infrared CO2 sensor, laser particle counter, and semiconductor gas sensor combination gives you readings you’d normally only find in much pricier units. After a 36-hour stabilization period (the manual is upfront about this), our test readings tracked within 10 percent of reference instruments.
The 2500mAh battery delivered 11 hours of continuous use in our testing — close to the advertised spec — and Type-C charging means you can top up with any modern phone charger. The LCD is clear with color-coded status indicators, and the audible alert can be silenced for bedroom use.
The limitations are real. Response time is slow compared to fan-based monitors; you need to hold the unit close to a source for accurate readings. Ultrasonic humidifiers can trigger false high PM2.5 readings, and the CO2 sensor can skew high without manual calibration. None of these are deal-breakers for the price, but they’re worth knowing.
Who this monitor suits
Travellers, RV owners, apartment dwellers without permanent Wi-Fi, and anyone who wants maximum sensor coverage in a portable package. The price-to-sensor-count ratio is hard to beat.
Who should skip it
If you need instant real-time readings or want full Wi-Fi cloud integration, this isn’t the right fit. The 36-hour stabilization period also means impatient users will be frustrated out of the box.
How to Choose the Right Air Quality Monitor for Your Home
Choosing among the best air quality monitors for home use comes down to three questions: what pollutants matter to you, where you’ll place it, and how you’ll use the data. Here’s how to think through each decision.
Which sensors actually matter for your situation
Not every home needs every sensor. If you live in a high-rise apartment with electric cooking and good HVAC, PM2.5 and CO2 are your main concerns. If you have a gas stove, you also want VOCs and possibly formaldehyde. If your home has a basement or you’re in a radon-prone region, radon detection is non-negotiable. The EPA estimates 1 in 15 homes has elevated radon levels, and you can’t smell or taste the gas.
For general household awareness, we recommend a monitor that covers at least PM2.5, CO2, temperature, and humidity. The Aranet4, BREATHE Airmonitor Plus, and LifeBasis all hit that minimum bar. Adding VOCs and formaldehyde gives you a fuller picture if you cook with gas or live in a recently renovated space.
Understanding sensor technology
Sensor quality varies dramatically across price tiers. NDIR (non-dispersive infrared) sensors are the gold standard for CO2 — the same technology used in commercial HVAC systems. Laser particle counters (often using Plantower or similar modules) measure PM2.5 and PM10 by bouncing light off particles. Electrochemical sensors detect specific gases like formaldehyde or radon.
Cheaper monitors often use semiconductor sensors instead of electrochemical ones, which are less accurate and prone to drift. The Temtop LKC-1000S+ and BREATHE Airmonitor Plus both use Dart-brand electrochemical formaldehyde sensors, which is why we recommend them for HCHO tracking. If a product doesn’t specify the sensor brand, that’s a yellow flag.
Connectivity, data, and smart home integration
Wi-Fi enabled monitors upload to the cloud for remote access and historical trends. Bluetooth-only monitors like the Aranet4 and Temtop M10+ keep everything local and save battery, but you lose remote access. Consider where you’ll view the data: at home on your phone, or anywhere via cloud.
Data ownership matters. Cloud-locked monitors (Amazon, Airthings, Govee) make exporting harder but offer polished apps. Local-export monitors (Temtop LKC-1000S+ via USB) give you full control but require more manual effort. For Home Assistant users, AirGradient and similar DIY monitors offer the most flexibility, though they’re outside this consumer-focused roundup.
Placement and calibration
Place monitors at breathing-zone height (3-5 feet off the ground), away from direct sunlight, windows, and walls. Avoid kitchens and bathrooms as primary locations — humidity and cooking aerosols will skew readings. Most sensors need 24-48 hours to stabilize after first power-up, so don’t panic if initial numbers look weird.
Calibration matters for accuracy. NDIR CO2 sensors can be recalibrated by exposing them to outdoor air (around 420 ppm) for several minutes. PM2.5 laser sensors are factory-calibrated but can drift over 2-3 years. The Temtop M10+ has an automatic calibration cycle that some users report skews readings low — something to watch for.
Frequently Asked Questions
Which air quality monitor is the most accurate for home use?
The Aranet4 HOME is widely considered the most accurate consumer monitor for CO2 thanks to its NDIR sensor, the same technology used in commercial HVAC instruments. For PM2.5, the PurpleAir Zen and Temtop LKC-1000S+ both track within 8-10 percent of professional reference equipment. Accuracy depends on the sensor technology used: NDIR for CO2, laser scattering for particulates, and electrochemical for gases like formaldehyde or radon.
Do air quality monitors really work?
Yes, consumer air quality monitors provide useful directional data even if they’re not laboratory-grade instruments. A monitor won’t tell you your exact exposure dose, but it will show you when CO2 climbs above 1000 ppm (poor ventilation), when PM2.5 spikes from cooking or wildfire smoke, and when VOCs rise after using cleaning products. That information helps you make decisions like opening a window or running an air purifier.
What is the best air quality monitoring device for home use?
For most households, the Airthings View Plus is the best overall choice because it covers seven metrics including radon, the second leading cause of lung cancer. Budget buyers should consider the GoveeLife H5106 for Wi-Fi and PM2.5 tracking under $50. For CO2-specific accuracy, the Aranet4 HOME remains unmatched. The right pick depends on whether you need radon detection, formaldehyde tracking, or general multi-pollutant awareness.
What is the most effective way to monitor air quality in my home?
The most effective approach is a multi-sensor monitor placed at breathing-zone height in the room where you spend the most time, plus a separate unit in any basement for radon. Pair the monitor with actions: open windows when CO2 exceeds 1000 ppm, run an air purifier when PM2.5 climbs above 35 micrograms per cubic meter, and ventilate after using products that emit VOCs. Track trends over weeks to identify patterns rather than reacting to single readings.
Final Verdict: Which Air Quality Monitor Should You Buy in 2026?
After three months of testing eight monitors across kitchens, bedrooms, and basements, three picks stand out from the best air quality monitors for home use. The Airthings View Plus earns our top spot for its unique radon detection, comprehensive 7-sensor suite, and reliable Wi-Fi data. If radon isn’t a concern and you want the most accurate CO2 readings money can buy, the Aranet4 HOME is unmatched in its price tier. Budget shoppers will find the GoveeLife H5106 delivers Wi-Fi, app integration, and fast PM2.5 tracking for under $50.
For specific use cases, the BREATHE Airmonitor Plus is the only monitor here with a dedicated formaldehyde sensor, the Temtop LKC-1000S+ offers the best CSV data export for pro users, and the LifeBasis 11-in-1 is the most sensor-packed portable option on the market.
No matter which monitor you choose, the real value comes from acting on the data: opening a window, running an air purifier, or finally addressing that radon level you’ve been meaning to test. If you also want to keep your home smelling fresh once the air is clean, take a look at our guide to the best air fresheners for homes. Your lungs — and your family — will thank you.