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The U.S. Air Quality Index (AQI) is EPA's tool for communicating about outdoor air quality and health. The AQI includes six color-coded categories, each corresponding to a range of index values. The higher the AQI value, the greater the level of air pollution and the greater the health concern.
The Air Quality Index (AQI) is a measurement of air pollutant concentrations in ambient air pollution and their associated health risks. Air pollutants measured in AQI. There are six air pollutants measured in the index formula, including: PM2.5. PM10. carbon monoxide. sulfur dioxide. nitrogen dioxide. ground-level ozone.
The Air Quality Index, or AQI, is the system used to warn the public when air pollution is dangerous. The AQI tracks ozone (smog) and particle pollution (tiny particles from smoke, power plants and factories, vehicle exhaust, and other sources), as well as four other widespread air pollutants.
Good air quality is critical for maintaining healthy human, animal, and plant life on Earth. Air quality in the US has improved as a result of the Clean Air Act of 1970, which has helped to curb air pollution and save thousands of lives every year.
What is AQI? The air quality index, or AQI, measures the air quality and level of health concern it presents as measured by the Environmental Protection Agency. How does AQI work? The AQI...
Air quality is a measure of how clean or polluted the air is. Monitoring air quality is important because polluted air can be bad for our health—and the health of the environment. Air quality is measured with the Air Quality Index, or AQI.
The Air Quality Index (AQI) is used for reporting daily air quality. It tells you how clean or polluted your air is, and what associated health effects might be a concern for you. The AQI focuses on health effects you may experience within a few hours or days after breathing polluted air.
Every day the Air Quality Index (AQI) tells you how clean or polluted your outdoor air is, along with associated health effects that may be of concern. Importance of Air Quality. Local air quality affects how you live and breathe. Like the weather, it can change from day to day or even hour to hour. Air Quality Index (AQI) & Health.
Today's the day to start thinking about air quality. Learn how to navigate air quality conditions with the Air Quality Index and find other helpful resources available to you.
What Is the AQI? The EPA and your State environmental agency measure pollution in the air. Then they use the Air Quality Index, or AQI, to tell the people about the air. An index can be a quick way to tell people how good or bad something is. The AQI uses colors, and numbers, and words to tell you about the air. AQI Colors.