Yellowstone air quality

The colour is handy at describing the air quality at a glance. The “ AQI ” is an index used for reporting forecasted and daily air quality. The AQI uses color -codes and a numerical scale to report . The AQI for Nashville and Davidson County, Tennessee is reported by the Metro. EPA has assigned a specific color to each AQI category so the public can .

The six AQI categories, their respective health effects descriptors, colors , . The purpose of the AQI is to help you understand what local air quality means to. Levels of Health Concern. When the AQI is in this range:.

Sensitive groups include people with lung or heart disease, . A specific color is assigned to each AQI category to make it easier for you to understand . AQI values are above 10 air quality is considered to be. You may also see these colors when the AQI is reported in the newspaper or on television.

As seen in the table below, the AQI is a numbered and color coded way to report the. A description of AQI colors and values are shown in the table. This site uses cookies. We use cookies to record some preference settings and to analyse how visitors . EPA “translates” the pollutant concentrations to the standard AQI index, which.

You will see these colors when the AQI is reported in a color format—such as in . The AQI complication on an Apple Watch measures the Air Quality. Good or Moderate) and where your AQI falls on a color scale from . Match the colors with the table below to determine current conditions and . Categories and related descriptors, index values and colors. The AQI currently incorporates the pollutants O PM, CO, SO and NO2. Think of the AQI as a yardstick that runs from to 500.

Index values range from. All ozone measurements are in parts per billion. The AQI is divided into color -coded categories, and each category is identified by a simple informative descriptor.

The descriptors are intended to convey to the . Air quality indices ( AQI ) are used around the world to communicate current or forecasted pollution levels to the public.

Often described as colors. Add an AQI Legend to a Map. It will show the AQI colors and . Official AQI levels, names and colors are provided in a list for easy coloring and labeling. EPA calculates the AQI for five major air pollutants regulated by the Clean Air Act:.

The category descriptor and index value associated with the AQI an if you choose to report in a color format, the associated color. Use only the following . No response from server. Basically, when the air quality is good the AQI is low (zero-50) and the color associated with it is green.

As the air quality gets worse the number . The AQI is used to report daily air quality in metropolitan areas for five pollutants:. Tap the AQI complication to see the air quality description and color spectrum.