Atmotube

Atmotube is a portable air pollution monitor with a compact form-factor. This little device weights only 40 grams, so you can bring it along day-to-day easily. Atmotube is able to detect volatile organic compounds (VOC, e.g. formaldehyde, benzene, etc.) and carbon monoxide (CO), which would cause irritation and affect people's health. The Atmotube team introduced a parameter called Air Quality Score (AQS), ranging from 0 to 100, to quantify the air quality (the higher the better). Atmotube can also measure temperature and humidity.

With the mobile app that is available in major app stores, you can monitor the air pollution status measured by Atmotube from your mobile phone. You can read the AQS score from the mobile app, and also associate the readings with your past locations.

I personally used Atmotube, and my comments are:

• Atmotube is small in size (22mm in diameter, 66mm tall, weights 42g), so there should be no hurdle to bring it wherever you go.
• The mobile app is easy to use.
• If the Atmotube is not connected to the app for hours, it could take the app a while to synchronize the readings recorded in the Atmotube.
• Atmotube is an interesting gadget to give you an idea on the air quality of the places you go!