How does the iPhone display aqi when the weather comes?

The weather application attached to the iPhone can display the air quality index (AQI). Just follow these steps to set it up:

Step 1: Open the weather application that comes with the iPhone.

Find the weather application on the main screen of iPhone, and click Enter.

Step 2: Enter the weather application settings.

In the weather application, click the "three horizontal lines" icon in the lower right corner to enter the setting page.

Step 3: Open the air quality index display screen.

On the Settings page, find the "Weather Source" option and click Enter. On the weather source page, find the air quality index option and turn it on.

Step 4: Check AQI.

Back to the main page of the weather application, you can see the AQI value of the current city and the corresponding air quality level.

It should be noted that the AQI data of weather application comes from China National Environmental Monitoring Center, which is only applicable to Chinese mainland area.

Besides the weather application that comes with iPhone, there are some third-party weather applications that can also display AQI, such as "China Weather Network" and "Weather Link".