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This year, it would seem that everyone wants to buy an air quality monitor. Which is a good thing as it raises awareness of the air pollution problem. But which one to buy and where to buy it? Prices vary a lot and they each have their own advantages and disadvantages. In addition, can you really trust them to do a good job? Particularly if they are so cheap? As people keep asking me where I bought my air quality monitors from, I thought I would gather information together on this one page to help answer that question. At this moment I am not saying which ones I like the best. But, as I gradually start doing reviews of these monitors, I will also add a star rating with pros and cons for this page. Please bookmark this page or the Air Pollution page on my website as there is more to come.

The following is sorted by price with the most expensive at the top.

 

AirVisual Pro

Name: AirVisual Pro |?Cost: $269 (8,400 Baht) |
Website/Store: AirVisual.com?| Click for My Review

PROS: It has four built-in sensors that record AQI/PM2.5, CO2, temperature and humidity. It also gives you a seven-day forecast and recommendations for what you should and shouldn’t do. The screen is large and clear. If you connect it to the Internet, you will be able to see what the AQI reading is for a local outdoor air quality station. It has a built-in battery so you can carry it around your house to test different rooms. You can also set it up as an outdoor station and share the readings with everyone.

CONS: It is very expensive. The battery doesn’t last very long and so you will need to keep it plugged in. The outdoor readings only work if you have a nearby air quality station. It cannot literally tell you what the AQI is like outside of your home.

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Laser Egg 2+

Name: Laser Egg 2+ | Cost: $199 (6,200 Baht) |
Website/Store: royal online มือถือ - royal online v2 มือถือkaiterra.com | Click for My Review

PROS: Coming soon

CONS: Coming soon

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Air Tricorder

Name: Air Tricorder |?Cost: 2,500 Baht |
Website/Store: Makerspace Thailand | Click for My Review

PROS: It is small and handy and relatively easy to carry around with you. You can plug it into an electrical socket or a regular power bank. It records the PM2.5 levels and gives a US AQI output. The colors change depending on the level.

CONS: There is no built-in battery and so you need to have it always plugged into something. The screen is not that clear to read outside. The Mini USB socket seems fragile and so I leave the cable plugged in all of the time. It does not show temperature or humidity.

PLEASE NOTE: I hear that a new version is coming out in February 2019. You might want to wait to see what new features it has. I’ve been trying to contact them about this, but no replies so far.

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SNDWAY Air Quality Monitor

Name: SNDWAY Air Quality Monitor? |?Cost:?1,439 Baht |
Website/Store: Lazada | Click for My Review

PROS: It is small and compact and easy to carry in your pocket. It has a built-in battery that is handy when you are checking different rooms in your house or when you are out and about. It also charges easily by plugging it into a power bank. The readout is clear and shows PM2.5, the temperature and humidity. It flashes red when it reaches dangerous levels.

CONS: I am more used to understanding the AQI levels. This monitor only shows you the PM2.5. Nevertheless, it doesn’t take long to remember that 25-50 is starting to get unhealthy. Anything above that you shouldn’t have prolonged exposure. Certainly, you shouldn’t exercise.

UPDATE: Here is a handy online calculator for working out the AQI after you input a PM2.5 number.

 

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11 thoughts on “Where to buy Air Quality Monitors in Thailand

    • February 23, 2019 at 11:39 am
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      Follow @richardbarrow

      It seems very similar to the SNDWAY that I bought a couple of weeks ago on Lazada for 1,400 Baht. Mine also shows temperature and humidity. The Xiaomi only shows PM2.5 but it has WiFi. Not sure if it’s worth the extra cost.

      Reply
      • February 23, 2019 at 11:47 am
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        I was thinking that too. I’m interested to know how similar the pm readings are across all of the monitors you’ve purchased. Are they all the same technology? The Xiaomi sensor states that it uses laser to measure air quality, is this the same for all?

        The Xiaomi model can interact with the Xiaomi Mi air purifier also. What’s the battery-life on the SNDWAY product? I like the price, but the screen looks a bit dim…

        Reply
        • February 23, 2019 at 11:53 am
          Permalink

          Follow @richardbarrow

          I didn’t realize that the Xiaomi device communicated with their air purifier. I will look into that a bit more. I notice that on the product photos that the readings seem to match between the portable device and the air purifier. So I can check the SNDWAY later with my air purifier.

          Yes, they all seem to use laser technology. As for the screen of the SNDWAY, I have had no issues so far. Bright enough for me.

          Reply
  • February 24, 2019 at 5:24 am
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    I am interested to find out good types of masks.

    Reply
    • February 24, 2019 at 9:09 am
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      Great suggestion!

      I’m interested in this too, I’ve been to my local HomePro but they were sold out, nothing in Makro or Lotus either. I’m reluctant to purchase online via Lazada as how would one verify if they were authentic and of good quality..?

      I would also be interested in a journalistic piece (hint hint Richard ?? on drinking water in Thailand i.e. a comparison of tap-water quality, shop-bought bottled water, and delivered (filtered) water, but the latter option is probably only in the sticks?

      I recently purchased this Xiaomi water tester:

      (Xiaomi TDS Portable Detection Pen TDS Tester for Measuring Water Quality Purity)

      https://www.lazada.co.th/products/original-xiaomi-tds-portable-detection-pen-tds-tester-for-measuring-water-quality-purity-tester-i249120978-s384067204.html?spm=a2o4m.searchlist.list.3.5bdc3fd0SpqH04&search=1

      Nestle bottled water has scored the highest purity so far (200s), my tap water is in the low 300s which is supposedly normal, still wouldn’t drink it though. 500 is the U.S EPA maximum contamination level according to a quick web search.

      The tester only reacts to organic compounds, and heavy metals like nickel, chromium etc. and soluble salt content. It obviously won’t show up bacteria, potentially harmful or toxic substances, fecal matter and so on.

      Are there any future plans to review home water-testing kits or water-testing services that may be available in Thailand? Are there any such services?

      Cheers

      Reply
  • February 24, 2019 at 8:46 am
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    I have used the SNDWAY for more than a month and it’s readings for PM2.5 are always within 1-2 points of another device I ordered from China. I also have a small Xiaomi monitor on the way.

    Hoping that all 3 monitors will show the PM2.5 readings to be more or less the same. If so, that is worrying as we had weeks of PM2.5 values sitting at 40-50 throughout the day at work. And that was INSIDE the office and classrooms. Outside there were peaks in this area of Bangkok of 130-140 on the device and several days where it stuck at over 100 for most of the school day.

    Reply
  • February 24, 2019 at 11:13 am
    Permalink

    There are a million of them on Lazada, in every price range, so it will be interesting to see from people’s experiences which are the best.

    Reply
    • February 24, 2019 at 11:55 am
      Permalink

      Follow @richardbarrow

      It’s actually difficult to tell which ones the best or the most accurate. What is the benchmark? Fortunately, most of the ones I have show similar readings.

      Reply

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