Traditional Culture Encyclopedia - Weather forecast - What does the greater the air quality index mean in the weather forecast?

What does the greater the air quality index mean in the weather forecast?

The greater the air quality index in the weather forecast, the more serious the pollution. According to relevant public information, the air quality index in weather forecast is a nonlinear dimensionless index that quantitatively describes air quality. The larger the value, the higher the level and category, the darker the color, the more serious the air pollution, and the greater the harm to human health. Weather forecast refers to the use of modern science and technology to predict the state of the earth's atmosphere in a certain place in the future.