Top 10 Best air quality monitor outdoor in 2026

Last Updated - 6/6/2026

🏆Best Choice

Amazon

Amazon Smart Air Quality Monitor – Know your air, Works with Alexa

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•Know your air – Amazon Smart Air Quality Monitor makes it easy to understand what’s in your indoor air.
•Track and measure – Keep tabs on 5 key factors: particulate matter (PM 2.5), volatile organic compounds (VOCs), carbon monoxide (CO), humidity, and temperature.
•Stay informed – Get an indication of current air quality from the color-coded LED, and an easy-to-understand air quality score in the Alexa app anytime.
•Get notifications – If Alexa detects poor air quality, you can get notifications on your phone or even announcements on Echo devices.
•Enable Routines to turn your Alexa-enabled devices such as air purifiers, dehumidifiers, and fans on and off when the indoor air quality changes.
•Maximize comfort - Keep different areas of your home more comfortable using the built-in temperature sensor with the Amazon Smart Thermostat

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$69.99

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GoveeLife

GoveeLife Smart Air Quality Monitor with PM2.5, WiFi, Temperature & Humidity Sensors, LED Display, 2s Refresh, 2-Year Data Storage, for Home & Office Wired

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•High Accuracy & Fast Refresh Data: With this smart sensor, the PM2.5 accuracy is ±15 µg/m³ while temperature and humidity accuracies are ±0.54°F and ±3%RH.The two-second correction data feature shows the latest changes in PM2.5, temperature, and humidity.Keep sensor clear for accurate detection.
•Multifunctional Air Quality Detector: The GoveeLife Air Quality Monitor conveniently measures 3 important indexes for indoor air quality, including PM2.5, temperature, and humidity.
•Switchable Display: Press the top button for the clock & PM2.5 display. Long press for 2 seconds to switch to bright screen mode & night mode. The LED indicator displays 4 levels of ambient air quality. 2.4G Wi-Fi is required to display the time.
•Connect with GoveeHome Appliances: Set your target air quality and link with your other GoveeHome smart appliances. GoveeLife air purifiers, humidifiers, and space heaters will turn on and off automatically when the indoor air quality changes.
•H5106 needs to be connected to a power source and supports GoveeLife devices: Smart Air Purifiers - H7126, H7120, H7124, H712C, H7122, H7123; Humidifiers - H7140; Fans - H7100, H7102
•Free Data Storage & Export: Enjoy remote monitoring with the air quality monitor via Bluetooth or Wi-Fi, including online viewing of 13-day data graphs and exporting data over the past 2 years. No built-in battery. Uses type-C cables only.

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$36.78

$45.99

-20%

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Temtop

Temtop Air Quality Monitor PM2.5 PM10 Particle Counter, Formaldehyde, Temperature, Humidity, TVOC AQI Tester for Indoor/Outdoor Air Pollution Detection w/Data Export

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•ALL-IN-ONE RELIABLE AIR QUALITY MONITOR. This versatile air quality monitor measures PM2.5, PM10, formaldehyde, VOCs, humidity, temperature, and AQI, using sensors tested for high accuracy (R2 up to 0.999) under specific conditions.
•DATA EXPORT AND HISTOGRAM. The histogram function displays the last 12 hours of PM2.5 changes, aiding in air quality monitoring. Export data to a basic Excel spreadsheet for a straightforward review of seven key indoor air factors. The device supports up to 3 months of continuous data recording.
•DURABLE AND PRECISE. Designed for longevity, our laser particle sensor supports up to 20,000 hours of use. Our specialized optimization algorithm enhances measurement accuracy, ensuring reliable performance over time.
•EASY-TO-READ DISPLAY. Features a clear and user-friendly interface, making it simple to view and understand air quality readings at a glance.
•PRE-CALIBRATED SENSOR. Our monitors are equipped with Dart electrochemical sensors, chosen for their solid performance within the civilian-grade category. It’s important to note that all consumer-level formaldehyde sensors can be influenced by substances like alcohol, air fresheners, and cleaning products. To achieve the most accurate readings, it’s recommended to avoid these substances during measurements.
•WHAT YOU GET. LKC-1000S+ 2nd generation dust monitor, charging cable, user manual, Temtop 12-months warranty & 24/7 customer support access via Email and phone.
•The LKC series does not include CO2 detection functionality. Additionally, this product does not read levels of allergens or mold. For an integrated air quality monitor with CO2 detection, consider the M2000 series or other options.

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$135.99

$169.99

-20%

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YISPK

Air Quality Monitor, Professional Air Quality Detector with CO2 Monitor/HCHO/TVOC/Temperature/Humidity for Home, Hotel, Office, Car

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•5 in 1 indoor air quality monitor, it tracks carbon dioxide (CO2), formaldehyde (HCHO), volatile organic compounds (TVOC), temperature and humidity, helping you stay aware of air quality and potential health risks.
•Ideal for various settings including homes, offices, schools, and hotels, this monitor helps maintain a healthy environment by continuously tracking airborne pollutants and climate conditions.
•Simple to set up and operate, making it accessible for anyone concerned about indoor air quality without the need for professional installation.
•Up to 20 hours of continuous use, you don't need to keep it plugged in. This indoor air quality meter is small and portable, can detect the gas quality in bedroom, living room, kitchen, office, car, school, hotel, cellars, restaurant, campground and other environments.
•By integrating advanced laser particle sensors with temperature and humidity sensors, making high-precision air quality monitoring more accessible than ever.

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$23.99

$29.99

-20%

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Temtop

Temtop Air Quality Monitor Indoor Thermo-Hygrometer - PM2.5, AQI, Temperature, and Humidity Meter for Home, Office, or School, Air Quality Measurement, 60-Day Battery Life

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•Health Monitoring - The Indoor Air Quality Monitor tracks Temperature, Humidity, and PM2.5, helping you stay aware of air quality and potential health risks.
•Energy Saving - Our innovative technology makes the Temtop S1 80% more energy-efficient than traditional devices, offering an impressive 60-day standby time, reducing the need for frequent charging.
•Cost-Effective - By integrating advanced laser particle sensors with Sensirion temperature and humidity sensors, we've reduced production costs by 38%, making high-precision air quality monitoring more accessible than ever.
•Easy to Use - Temtop S1 is battery-powered with a magnetic mount, allowing you to easily place it anywhere in your home and view real-time data effortlessly.
•Ensure Fresh Air - The WHO recognizes PM2.5 as a category 1 carcinogen, posing potential health hazards. With the Temtop PM2.5 monitor S1, you can detect air quality in real-time, ensuring every breath you take is fresh and safe.
•Tip - For real-time monitoring, we recommend keeping the device plugged in. This will enable real-time monitoring mode, providing you with the most accurate and timely air quality data.

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$30.59

$35.99

-15%

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Temtop

Temtop Air Quality Meter: Precision Indoor/Outdoor CO2, PM2.5, PM10, Detection with Audio Alarm, Temperature & Humidity Insights for Enhanced Home Comfort, M2000C

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•Affordable Quality Monitoring: The M2000C, our budget-friendly model, delivers essential air quality data, making it perfect for cost-conscious homes and offices.
•Streamlined Air Quality Insights: The M2000C simplifies air quality monitoring without compromising accuracy. It features a professional-grade laser sensor for precise PM2.5 and PM10 detection and a sensitive NDIR sensor for CO2 levels, delivering essential insights into your indoor air quality.
•Intuitive Alerts and Clear Display: With the M2000C's audio alarm, you're immediately notified when air quality levels exceed safe thresholds. Its vibrant TFT display offers a straightforward, easy-to-read overview of real-time air quality, allowing for quick assessments and actions to enhance your living space.
•User-centered design for ease of use: With its ergonomic construction and rechargeable battery, the M2000C is simple to operate and easy to move around, making it easier for you to check the air quality in your home.
•Robust Support & Assurance: Each M2000C purchase is backed by Temtop's 12-month warranty and round-the-clock customer support, ensuring your air quality monitoring needs are met with reliability and excellence.

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$79.99

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IQAir

AirVisual Outdoor – Outdoor Air Quality Monitor, Detects PM1, PM2.5, PM10, Optional CO2, Temperature, Humidity, Pressure, Modular Sensor Design, Wi-Fi, LAN, German Made

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•REAL-TIME OUTDOOR AIR QUALITY MONITORING: The AirVisual Outdoor air quality monitor can measure up to 8 environmental parameters including PM1, PM2.5, PM10, CO2 (optional sensor module required), AQI, temperature, humidity, and atmospheric pressure. All of this information will be sent straight to your smartphone, desktop, or tablet.
•PROFESSIONAL-GRADE, PRECISION MEASUREMENTS: Each of our weatherproof outdoor air quality testers contains 2 professional-grade laser sensors for added accuracy and reliability. IQAir’s high-precision air quality sensor technology always gives you the most current, accurate information possible.
•EASY TO USE: Wi-Fi, Ethernet (LAN) and optional 4G connectivity (optional modem needed) make this air quality monitor perfect for anywhere you need them. The device is supplied with a power adapter and a 12 m (35 foot) cable for use with any standard electrical outlet and fast and easy set up with IQAir’s free smartphone app.
•UP TO DATE: Keep track of the air pollution exposure in your immediate area from traffic, industry, smoke from wildfires, fireworks, and more. The AQI for your city changes mile to mile and even block to block. Know what's in the air around your home. You can connect your AirVisual Outdoor air quality monitor to the IQAir AirVisual platform, and join thousands of contributors that share their data globally.
•FLEXIBLE INSTALLATION OPTIONS: Easily mount your AirVisual Outdoor air quality monitor almost anywhere such as a wall, roof, or pole using a variety of mounting accessories. A solar-powered option is available. Power source: 100 - 240 V AC PoE (power over Ethernet) power adapter.

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$299.99

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ECOWITT

Ecowitt WH0290 Air Quality Monitor Meter PM2.5 Detector Indoor Outdoor with Temperature and Humidity

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Know Your Air: this air quality monitor provids accurate PM2.5 information(with high quality Series Particle Sensor) in your home/office and allows you to take timely measures to keep the air quality within safe levels.
•3-in-1 Multifunctional Tester: displays PM2.5/AQI current and max value for 1h/24h/since last reset; also measuring the indoor temperature(°C/°F switchable) and relative humidity； Note: No outdoor temperature and humidity; will not detect mold 6 Grades Air Quality Levels Indicator: Good, Moderate, Poor, Unhealthy, Severe and Hazardous, showing you instantly what your air quality is like
•Indoor & Outdoor Air Quality Detector: suitable to use at home, office, car and other environmental testing; monitor the air quality anytime anywhere to be away from harmful of PM2.5
•Rechargeable & Wireless: the PM2.5 sensor is powered by 2 rechargeable batteries and with built in solar panel as backup
•power(all included); also with battery power condition indicator. Note: Please full recharge the PM2.5 sensor before use.

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$79.99

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Ambient Weather

Ambient Weather PM2.5 Wireless Outdoor Particulate Monitor

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•Measure fine particulate & air pollution levels in and around your home
•The sensor is a high quality Sensirion Particle Sensor
•Send data to the Ambient Weather Network, create alerts, and connect to Google Home or Amazon Alexa
•Sensor Dimensions: 2.8 x 4.0 x 2.7 in
•Solar powered; 2 x AA 1.2V LSD type NI-MH battery backup (included)

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$124.99

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Generic

Protmex Portable Air Quality Monitor Meter with PM2.5 & PM10 Detection, Temperature & Humidity Sensors, Buzzer Alarm for Pollution, Real Time Display Low Battery Alert - Smart Home Air Monitor

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•3 in 1 Air Quality Detector: The PTH-26PM Air Quality Monitor is a portable device with PM2.5 & PM10 sensors, real-time temperature and humidity tracking, a buzzer alert system, low battery indicator, and is designed for use in both home and office environments.
•High Precise Sensor: The PTH-26PM Air Quality Detector features precise sensors for detecting PM2.5 and PM10 particulates, providing detailed air quality analysis with readings from 0 to 1000 μg/m³ and a resolution down to 1 μg/m³
•Widely Used: The PTH-26PM Air Quality Tester, with its high-precision PM2.5 and PM10 sensors, is versatile for various environments, offering accurate air quality measurements in homes, offices, and other indoor outdoor spaces.
•Buzzer Alert System：The PTH-26PM Indoor Air Quality Meters comes with an intuitive alert function, providing immediate notifications when outdoor air pollution reaches concerning levels.
•Large LCD Display: The PTH-26PM Air Quality Pollution Monitor is equipped with a spacious display, offering crisp and clear visibility of outdoor air quality data.

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$28.49

$29.99

-5%

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