PHP / AJAX real-time update without reloading

Hello

I am developing a system to measure the temperature and humidity of some places that I call station 1 station 2 and so on. This data is sent to a database every three minutes, I used the report page to see this data and it works well, I presume in a way that I keep the name of each fixed station and only change the values of temperature and humidity.

Any idea how he could do that. If possible an example.
thank you