Category: AQI

In-Depth: Atmotube Pro

Sotirios Papathanasiou2 Comments

It will please some of you to know that I am going to compare Atmotube Pro with other Particulate Matter sensors and monitors. First with an outdoor monitor and in this case the Luftdaten DIY and second the AirVisual which is more of an indoor monitor.

Before I begin with the comparisons I want to dive a bit deeper and tell you that apart from exporting the .csv from the app directly, you can also access Atmotube’s .csv files (in case you have an iPhone) from the File Sharing service iTunes provides when you connect your phone with your computer (macOS & Win). This way you have more control over which days you upload to your computer.

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Call for Volunteers [ENDED]

Sotirios Papathanasiou22 Comments

Thanks to uRADMonitors generosity and determination to beat air pollution I am going to give away 10 uRADMonitor SMOGGIE.

I am searching for Volunteers all around the world who are willing to install an Air Quality Monitor in their backyard or balcony or window or any other outdoor environment in order to build a better air quality network and to help you raise awareness in your neighborhood/ community.

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Review: Atmotube Pro

Sotirios Papathanasiou8 Comments

Wearable or portable devices are not so often considered important in order to protect yourself from air pollution. Most ads claim that we spend 90% indoors and we need an indoor AQ Monitor which is true but we also move around we go to work or we visit friends and family who don’t have an AQM in their house or simple they are not aware of the problem.

Here comes the new Atmotube PRO a small portable AQM equipped with a laser scattering PM1, PM2.5 and PM10 sensor. It also features a VOC sensor and a complete weather station with humidity, temperature and barometric sensor.Read More »

See The Air AQM v0.2 – Update

Sotirios PapathanasiouLeave a comment

A new update for the DIY Air Quality Monitor is available with some cool new features. The new version v0.2 has the following features.

  1. Split up files
  2. New file structure
  3. Median Average

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EGYPT – Air Pollution

Sotirios Papathanasiou1 Comment

Recently, I travelled to Egypt and I had the pleasure to visit and see many fantastic and immense monuments like the Great Pyramid of Giza, the Abu Simbel temples and many others. A fantastic journey through ancient Egypt which literally transfers you to this great ancient civilization.

It rarely rains in Egypt and the temperature in summer can easily reach 48ºC/118ºF. That said, the Sahara desert plays an important role in the climate and air quality of the country. Particulate Matter is the main natural air pollutant and impossible to combat.

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See The Air AQM v0.1 – NO2 Analysis

Sotirios PapathanasiouLeave a comment

In my previous post I presented the version 0.1 of my DIY Air Quality Monitor which uses a Nitrogen Dioxide sensor. In this post I am going to analyse the Nitrogen Dioxide NO2 sensor which is made by Spec-Sensors DGS-NO2 968-043 .

Calibrating your sensor.

In most cases the sensor isn’t calibrated which means that we have to set a zero point in order to get more accurate measurements. The company can calibrate it for you in a special chamber but you have to pay extra. In order to calibrate it on your own you have to be in a clean environment – without the presence of NO2 or NO or O3 – and then follow the instructions below which I have taken from the datasheet.Read More »

SeeTheAir AQ Monitor v0.1

Sotirios PapathanasiouLeave a comment

Have you ever been in a situation where you wish you had had a device tailored to your needs? Over the years I have reviewed various Air Quality Monitors but each time they lack something which will make them unique to me. Don’t get me wrong each device has its features and characteristics, some of them are amazing and some of them not very useful. As a result, I decided to build my DIY AQM. I couldn’t have done it without Electronza and Teodor Costachioiu help with coding, he is a brilliant coder/engineer. I absolutely recommend you to check his blog you will find a lot of interesting projects.

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Indoor IAQ Monitors 2019Q2

Sotirios Papathanasiou10 Comments

Here are all the available IAQ Monitors on the market. This time and after your help I have included many more information in a Google Spreadsheet document which you are going to appreciate a lot, such as website links and whether the device has been reviewed on my blog or not yet. There are so many devices out there but they all lack innovation and they all offer exactly the same technologies. Companies had better hear users feedback!

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TOP 5 AQI Apps

Sotirios Papathanasiou9 Comments

I’m just gonna jump right into the content, here are 5 of my best AQI apps for iOS.

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Review: PurpleAir II

Sotirios Papathanasiou14 Comments

A reader of the blog took the initiative to establish a contact between PurpleAir and me, as a result the PurpleAir II outdoor Particulate Matter monitor is here for a review. Thank you Daniel.

The monitor is very compact and it can be easily distinguished from the rest because it has 2 Particulate Matter sensors. Both of them work together to establish better results and a coefficient of determination (R²).Read More »