What does aqi mean for Apple's mobile phone weather?

1, what does the apple weather aqi mean?

2. What does the weather aqi mean?

3. What does AQI mean in the weather forecast?

4. What does aqi mean in the weather?

1.Weather aqi is the abbreviation of AirQualityIndex, which is a dimensionless index that quantitatively describes air quality.

2. The greater the value, the higher the level and category, and the darker the color, indicating that the more serious the air pollution, the greater the harm to human health.

3. The secondary index of air quality also provides for individual pollutants.

4.aqi also stipulates the air quality sub-index of individual pollutants.

5. The main pollutants involved in air quality assessment are fine particles, inhalable particles, sulfur dioxide, nitrogen dioxide, ozone and carbon monoxide.