Stylish, highly customizable and informative watch face for Samsung Gear S2/S3/Sport with Air Quality Index (air pollution) for your location. Features include:

- time (analog + digital 12h/24h)
- date and weekday
- Air Quality Index
- step counter
- moon phase
- battery level
- app shortcuts for all important apps

This is the free version of this watch face with only 1 background, 1 lcd color and 1 pair of hands. Get the pro version for:

- 16 backgrounds
- 8 lcd colors
- 7 different hands
- weather information including
- temperature
- rain (mm)
- wind speed (km/h or mph)
- uv index

Search for "One Earth Chrono" in the app store or go to


The data for air quality and pollutants is provided by They provide PM10 and PM25 (fine dust), SO2 (sulfur dioxide), CO (carbon monoxide), O3 (ozone) and NO2 (nitrogen dioxide) concentration from sensor stations in 64 countries. The Air Quality Index is then calculated using the threshold values of the Pollutant Standards Index (PSI). The watch face will automatically select the closest sensor station within a 10km radius around your location. If there is no sensor station within that radius no Air Quality Index will be shown. Here you can find a list of all sensor stations: Find out more about the Air Quality Index at The Air Quality Index in refreshed every hour.


The watch face provides tap actions to launch the following Apps

– Alarm
– Calendar
– Message
– Contacts
– Music
– Stopwatch (install Samsung Stopwatch first)
– Timer (install Samsung Timer first)
– Calculator (install Samsung Calculator first)


Double tap the centre of the screen to toggle hands and double tap the 6-oclock position of the screen to enter the settings. The settings screen offers the following options:

– reset step counter
– choose between 24hr / 12hr


If you have any questions or problems please send an E-Mail to [email protected] .



All reasonable measures have been taken to ensure the quality and accuracy of the Data provided by the above watch face. However:

– We do not make warranty, express or implied, nor assume any legal liability or responsibility for the accuracy, correctness, completeness of the information.
– We do not assume any legal liability or responsibility for any damage or loss that may directly or indirectly result from any information contained on this watch face or any actions taken as a result of the content of this watch face.
– Under no circumstances will we be liable in contract, tort or otherwise for any loss, injury or damage arising directly or indirectly from the supply of this data.


The watch face uses your location in order to get information for your location from For this purpose your location is transferred to the respective partners once an hour.


In order for this watch face to work as designed we need your permission to use the following data on your watch:

– Location and networking: To request local information from
– Storage: To store the settings of the watch face on your Gear.
– Pedometer sensor: To show the steps counter.


By continuing to use the site, you agree to the use of cookies. more information

The cookie settings on this website are set to "allow cookies" to give you the best browsing experience possible. If you continue to use this website without changing your cookie settings or you click "Accept" below then you are consenting to this.