It uses color-coded categories and provides statements for each category that tell you about air quality in your area, which groups of people may be affected. Colors and Definitions ; Green, Good, , Air quality is considered satisfactory, and air pollution poses little or no risk. ; Yellow, Moderate, Air Quality Index ; Unhealthy for Sensitive Groups, , Orange, Active children and adults, and people with respiratory disease, such as asthma, should. The color of the flag matches EPA's Air Quality Index (AQI): green, yellow, orange, red, and purple. On unhealthy days, your organization can use this. An AQI value over represents hazardous air quality, whereas if the value is below 50 the air quality is good. Understanding AQI colors. Specific colors are.
(1) The AQI scale starts at 0 and goes to The greater the AQI, the greater the risks and health concerns. An AQI below 50 represents good air quality, but. The Air Quality Index (AQI) is a color-coded tool for reporting daily air quality. It provides simple information on local air quality, the health concerns. AQI colors ; 0 - 50, Good, Green ; 51 - , Moderate, Yellow ; - , Unhealthy for Sensitive Groups, Orange ; - , Unhealthy, Red. Our app uses a slightly different scale to measure outdoor air quality, but it does pull in data from the EPA and other sources. We use PM to determine the. It is a simple tool that provides a color coded “picture” of current air pollution levels and health effects. People can use the AQI to adjust daily activities. AQI Colors · "GOOD" The AQI value for your community is between 0 and · "MODERATE" The AQI for your community is between 51 and · "UNHEALTHY FOR SENSITIVE. Understanding the Air Quality Index Anchor ; Green, Good, 0 to 50, Air quality is satisfactory, and air pollution poses little or no risk. ; Yellow, Moderate, What is the Air Quality Index? · When the AQI is in this range: · air quality conditions are: · as symbolized by this color. Understanding Air Quality Index ; Green. Good. 0 to 50 ; Yellow. Moderate. 51 to ; Orange. Unhealthy for sensitive groups. to ; Red. Unhealthy. to. The AQI uses colors and corresponding numbers to communicate the current air quality for air pollutants regulated by the Clean Air Act. To protect public health. The daily air quality forecast covers two common air pollutants: Ground-level ozone forms when pollutants from cars, power plants and other sources combine.
The AQI is an index for reporting daily air quality, developed by the EPA. It tells citizens how clean or polluted their air is, and what associated health. The Flag Program uses green, yellow, orange, red and purple flags. These colors correspond to the Air. Quality Index. How Will I Know What Color Flag To Use? On. When the AQI Color Code is orange, sensitive groups may experience negative health impacts. Sensitive groups include people with lung or heart disease, older. The colors are defined by the formulas RGB (red, green, blue) and CMYK (cyan, magenta, yellow, black) as shown in Table 2. Table 2. AQI color formulas. Color. R. Air Quality ; 51 - , Moderate, Yellow ; - , Unhealthy for Sensitive Groups, Orange ; - , Unhealthy, Red ; - , Very Unhealthy, Purple. 5 and PM10 values from February to May in Hanoi. The color expresses the level of health concern: green is good, yellow means moderate, and orange or red. AQI colors ; Moderate, 51 to , Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of. Air Quality Index. The AQI is a national index, so the values and colors used to show local air quality and the levels of health concern are the same. Index (AQI) is tool to communicate levels of air pollution to the public. The AQI is a color-coded index with numbers. It's easy to assume the numbers on.
Air Quality Index. (AQI) Values. Levels of Health. Concern. Colors. When the AQI Good. Air quality is considered satisfactory, and air pollution poses. Air Quality Index Reports ; Yellow, , Moderate ; Orange, , Unhealthy for Sensitive Groups ; Red, , Unhealthy ; Purple, , Very Unhealthy. One thing the AQI does is help you understand what the air quality around you means to your health. Each of the AQI colors has a word or phrase to go with. Color, 1-hour Average Concentration. PM (µg/m 3), PM10 (µg/m 3), NO2 (ppb). Very Low, 0 – 5, 0 – 10, 0 – Low, 5 – 10, 10 – 20, 10 – EPA has assigned a specific color to each AQI category to make it easier for people to understand quickly the significance of air pollution levels in their.
The Air Quality Index ; 0 to Good. Green ; 51 to Yellow ; to Unhealthy for Sensitive Groups. Orange ; to Unhealthy. Red.
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