or AQI, works. The color-coded system measures the air quality in relation to certain pollutants and the associated health risks at various levels. Here is a breakdown of the AQI, the different ...

The AQI scale can offer insight into who might be most affected by the air pollutants that day. You can also use the color-coded chart below to see how bad your daily AQI actually is. Color code ...

So it's also the color on the government chart showing the air quality index is more than 150, meaning unhealthy. When it's more than 200, it's purple, very unhealthy. This makes sense to ...

The Air Quality Index (AQI) is a six-level color-coded classification system created by the Environmental Protection Agency (EPA). Colors range from green (good) to maroon (hazardous), with ...

The colors correspond to numbers used in the Air Quality Index, or AQI. The numbers represent the concentration of pollutants — such as ground-level ozone and tiny particles known as ...