We’ve spent hundreds of hours researching and comparing Pm 2.5 Detector of all specifications to find the best one for any need (or budget). Here are the results.

The Best Pm 2.5 Detector of 2020 – Top Rated & Reviewed

2,807 Reviews Scanned

SaleRank No. #1
Air Quality Monitor, Formaldehyde Detector, Pollution Meter, Sensor, Tester; Detect & Test Indoor Pollution, TVOC Volatile Organic Compound Gas, PM2.5 2.5 Micron Particulate Matter Dust; eBook
  • MULTIFUNCTIONAL & SCIENTIFIC – This indoor air quality monitor accurately assesses multiple measures of air quality including concentrations of formaldehyde (HCHO), total natural & synthetic volatile organic compounds causing most odors (TVOC), and fine particulate dust matter measuring <2.5 microns in size (PM2.5) which travel deeply into the respiratory tract, reaching the lung alveoli and can worsen asthma.
  • PORTABLE TESTING – Spot check indoor air quality anywhere or leave device on for continuous monitoring up to 2 days. This easy-to-carry air quality tester can help monitor air quality at home, in the car, and in hotel rooms. The 2200mAh battery provides portable power when DC 5V micro USB charging is not available. Information is displayed on a clear 2.8” color LCD display.
  • ADVANCED FAN & SENSORS – This air quality monitor has a built-in fan to quickly draw in ambient air to allow REAL-TIME measurements. It incorporates a laser sensor to measure levels of dust particles and has a second electrochemical semiconductor sensor to measure formaldehyde and natural/synthetic organic compound levels.
  • HEALTHY HOME? – Is your family suffering from sick building syndrome? This air quality tester detects organic compounds like formaldehyde which has suspected links to nasal cancer and lung cancer emitted from many household materials. By measuring particulate pollution, an air pollution monitor can also help you know when asthma may worsen and when to change your home’s air filter.
  • ORIGINAL DESIGN & USA BASED SUPPORT – We have Midwest-based technical staff including a chemist to answer any questions you have. Also included will be a 20+ page eBook on Gas and Air Quality Hazards. We have worked with the supplier that holds this air quality detector’s design rights so you can be confident this item is tried and tested.
Rank No. #2
Air Quality Monitor, IGERESS Indoor Air Pollution Tester for Formaldehyde TVOC PM2.5 PM1.0 PM10 Temperature and Humidity, Real Time Home Air Quality Detector Meter, Colorful LCD Screen
  • KNOW HOME AIR QUALITY: With the multifuntional monitor, you can detect the air quality in house. formaldehyde (HCHO), volatile organic compounds (TVOC), PM2.5, PM1.0, PM10, temperature and humidity. Please calibrate the device before use to avoid inaccurate readings.
  • EASY TO READ: Smart air quality monitor display all the digital results display on the colorful LCD screen clearly. Index of air pollution level and icon will tell you the codition of air quality.
  • WIDELY USED: air quality tester can not only be used indoor, but also can detect Temperature, Humidity, PM2.5, PM1.0, PM10 outdoor.
  • ACCURATE: The air quality monitor adopt electric-chemistry technology, equipped Dart sensor, laser sensor and high tech chips. Size: 5.9”*2.6”*1.4”. So with Tiny and convenient to use it anywhere, like bed room, office, kitchen, car, etc..
  • REAL-TIME FEEDBACK: Smart air quality tester can tell the the change of air as soon as possible. The tiny fan in the monitor accelerate the air flow into the device to get the result after.
Rank No. #3
ECOWITT WH0290 Air Quality Monitor Meter PM2.5 Detector Indoor Outdoor with Temperature and Humidity for Home Office Car
  • ❥ Know Your Air: this air quality monitor provids accurate PM2.5 information(with high quality Honeywell HPM 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.
Rank No. #4
TOPINCN Portable Formaldehyde Detector Indoor Home Digital Hand-Held Air Quality Tester HCHO Meter TVOC Monitor Professional Pm 2.5 Benzene
  • ❤ ABS:Made of high quality ABS housing material, durable in use
  • ❤ DETECT INDOOR FORMALDEHYDE:You can use this detector to detect indoor formaldehyde and TVOC
  • ❤ LED DISPLAY SCREEN:LED display screen, you can read the digits and data clearly
  • ❤ EASY TO CARRY:Lightweight and portable size, easy to carry and convenient to use
  • ❤ SUITABLE FOR USING:Suitable for using in office, living room, bedroom and cars
Rank No. #5
Air Quality Monitor VSON Formaldehyde Detector,Temperature & Humidity Meter, Sensor, Tester HCHO TVOC PM 2.5 and PM10,Indoor Air Quality Detector(Grey)
  • 【MULTIFUNCTIONAL AIR QUALITY MONITORS】: the air quality tester can be used not only to detect formaldehyde in the air, but also to detect TVOC, PM2.5, or even pm10, It has the function of air quality assessment, and the result of air level will be displayed on the LCD screen.
  • 【SEPARATE SENSORS】: It features independent sensors and an innovative light-sensing refraction algorithm that greatly improves its detection accuracy and rate, Built-in 2200mah large capacity rechargeable battery can detect at anytime.
  • 【EASY TO OPERATION】: one-click operation. 2 versions of the interface, The air quality monitor is equipped with a charger and USB cable, which can be recycled and reused, It has a long service life and weighs only 0.41LB, It’s very easy to carry.
  • 【LIGHTWEIGHT AND DURABLE】: A high-quality lightweight shell with an oversized LCD display can be extended to stand and view the data, bringing you a pleasant experience, and the data is clearly visible visually.
  • 【HEALTHY ENVIONMENT】 : You can measure the PM value of the quality of the air around the room, At the same time, the air quality sensor can be more convenient to use in the home, factory, hotel or office.
Rank No. #6
PerfectPrime AQ9600, PM 0.3/2.5/10 Μm Air Quality Particle/Dust Detector/Counter
  • Test particle size: 0.3μm/2.5μm/10.0μm, (0.3um in Piece/L only, three sizes all in Piece/L unit)
  • Light source: Semiconductor lasers
  • Alarm levels:1~100,000(FED209E Standard) 2~9(ISO14464-1Standard)
  • , Sampling Custom(1s~ 59min. 59s) ,Sampling frequency:1~99/Continuous, Power: 9 V DC battery (not included).
Rank No. #7
Huma-i (HI-150), Advanced Portable Air Quality Monitor Indoor Outdoor Which Measures CO2, VOC, Particle Matter (PM2.5 and PM10), Temperature, Humidity - Black
  • REAL-TIME AIR QUALITY MEASURE - Monitor air quality with the touch of a button, measuring levels of CO2, Volatile Organic Compounds (VOC), and Particle Matter ((PM2.5 & PM10). Also measure temperature and humidity in your surroundings.
  • PORTABILITY - With pocket-sized portability, take the Huma-i with you at all times to measure the quality of air around you. Great for both indoor and outdoor environments.
  • ADVANCED FAN & SENSORS – The Huma-i has a built-in fan to quickly draw in ambient air to allow real-time measurements
  • EASY OF USE - Easily read real time air quality results in graph mode or Icon mode through the OLED display by toggling a one touch button. And easily view the Status LED lights that lets you quickly know the status of CO2, VOC, and particle matter.
  • DURABLE & STYLISH - Sturdy and designed focused outer casing looks great while protecting your Huma-i device. Have peace of mind when carrying your Huma-i device during your activities.
Rank No. #8
Airmon Palm Size PM2.5 Air Quality Monitor
  • Designed in Tokyo, features of this product include:
  • Test and Measure PM2.5, PM10, temperature, humidity by this Airmon and mobile app on your smart phone. Know air pollution and pollen level in your home, office, car or the places you'll travel to.
  • Built-in laser sensors made by SHARP that are used in the finest air cleaners. It is capable of high precision measurement.
  • Palm sized, lightweight and elegant design, convenient to carry.
  • You can share the PM2.5 and PM10 level and also find the data in the other places on the map where people use Airmon.
Rank No. #9
2.8" Digital Car PM2.5 Air Quality Detector Tester Meter AQI Home Gas Monitor
  • Acrylic clear case shell, high transmittance to be looked through
  • 2.8" TFT screen, colorization display, wide angle vision up to 180°
  • High sensitivity sensor ensures the high accuracy in data collections
  • Semi-closing design performs excellent in heat radiation, long-life use
  • Multipurpose in air quality detection in PM1.0, PM2.5, PM10.0, AQI, temperature&humidity, suspended particulate matter
SaleRank No. #10
Air Quality Monitor BIAOLING Accurate Tester for CO2 Formaldehyde(HCHO) TVOC PM2.5/PM10 Multifunctional Air Gas Detector Real Time Data&Mean Value Recording for Home Office and Various Occasion
  • 【MULTIPLE DETECTABLE GASES】 - For everyone,,It's necessary to know the air quality of the place where you live.BIAOLING upgraded indoor air quality monitor built in DART electrochemical sensors that can accurate detect air of Carbon Dioxide(CO2), Formaldehyde(HCHO), Volatile Organic Compound(TVOC), Particle Matter(PM2.5/PM10). Those readings involve detection of toluene, harmful chemical substances and pollutants in the air such as carbon dioxide, carbon monoxide,smoke,fog,dust,ink and others.
  • 【NEW DESIGN】 - Newest unique mold and design with LCD Color Screen Digital Display; it can offer mean value for each gas because long-term monitoring, the real-time data exist instability.
  • 【PORTABLE&3000mAh RECHARGEABLE BATTERY】 - Size about 5.83” * 2.76” * 1.18”. It's easy to carry the intelligent air quality monitor that can help us detect the gas air pollution in household, kitchen, bedroom, office, school, car, hotel, travel, camping, party etc...especially in which has baby,child and pregnant woman. Built with 3000 mAh rechargeable battery and packaged with one USB cable, the standby time can last for 8-12 hours.
  • 【EASY OPEARATION】 - This air monitor is easy to operate , easy to read numbers and support of an alarm sound will let you know if your air is unsafe and you need to take some actions. At the same time, you can set a standard value of formaldehyde. If the density is higher than standard value, the device will alarm.
  • 【NOTIFICATION&WARRANTY】 - It is recommend to close the door and window when test indoor; It is need around 60 minutes for testing formaldehyde TVOC CO2 (It is just need around 3-15 minutes for testing Cabinet, drawer etc small space.). We offer 30 days return for free replacement and full refund.

Last update on 2021-02-15 / Affiliate links / Product Titles, Images and Descriptions from Amazon Product Advertising API

Top Rated Pm 2.5 Detector to Buy Now


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How to Choose the Best Pm 2.5 Detector (with Price and Reviews)

Although most Pm 2.5 Detector are similar, there are several differences worth noting. Here are nine criteria to consider when choosing an Pm 2.5 Detector:

(1) Pm 2.5 Detector Price and Reviews

Although price is not the only factor to consider, it is nevertheless extremely important. The price of an Pm 2.5 Detector should be in line with its value. You can compare Pm 2.5 Detector reviews to make sure you are getting a fair price. This is easy to do on Amazon.

(2) Demand

The demand for a particular Pm 2.5 Detector is a good indication of its ability to perform the functions for which it was designed. If a product has been around for a while and still has a high demand, it is likely a good product.

(3) Material

Pm 2.5 Detector materials differ from manufacturer to manufacturer. Consider where and how you will be using your Pm 2.5 Detector to determine if one material would be better than another.

(4) Size

Like most products, Pm 2.5 Detectors come in various sizes. Do you need a large Pm 2.5 Detectoror a small one? Think about where you will use your Pm 2.5 Detector in order to determine the best size. You can also read the customer reviews on Amazon to see what others are saying about the size of the unit they purchased.

(5) Color

Pm 2.5 Detectors also come in a variety of colors. Do you need a particular color? You should also consider whether the color of your Pm 2.5 Detector would have any effect on the efficiency of its operation.

(6) Durability

The durability of an Pm 2.5 Detector will be contingent on the materials used as well as the quality of the manufacturing process. Additionally, the type of Pm 2.5 Detector you purchase may affect its durability.

(7) Storage

Will you need to store your Pm 2.5 Detector? If so, you should consider the size and weight of the Pm 2.5 Detectorto make sure that it can be stored properly. Also, give some consideration to the type of climate in which your Pm 2.5 Detector will be stored.

(8) Customer Ratings

Customer rating is one of the best criteria for choosing an Pm 2.5 Detector. It is hard to know exactly how an Pm 2.5 Detector will perform until you get it home and try it out.

(9) Warranty

Make sure the Pm 2.5 Detector you are considering is backed by a good manufacturer’s warranty. If it isn’t, you might be better off with another ones.