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  1. Air Quality Index (AQI) | AirNow.gov

    The Air Quality Index (AQI) tells you how clean or polluted your outdoor air is and the associated health effects that may be of concern.

  2. AQI Basics | AirNow.gov

    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 …

  3. AirNow.gov

    Use this box for geographic or location based searches. This button allows AirNow to find the Air Quality at your current location. To use this feature you must allow AirNow to access your location in your device settings. Get air quality data where you live.

  4. World Air Quality Index (AQI) Ranking | IQAir

    Keep track of the most polluted cities in the world with our air quality index (AQI) ranking.

  5. Live Animated Air Quality Map (AQI, PM2.5...) | IQAir

    Discover AirVisual Map, live world air pollution and air quality index (AQI) interactive 2D animated map combining PM2.5 data from public government, air quality stations, our community.

  6. World's Air Pollution: Real-time Air Quality Index

    Check out the real-time air pollution map, for more than 80 countries. Can not find your city on the map? The GAIA air quality monitor uses laser particle sensors to measure in real-time PM2.5 and PM10 particle pollution, which is one of the most harmful air pollutants.

  7. Air Quality Index - American Lung Association

    Sep 18, 2024 · 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.

  8. Air Quality Index Scale and Color Legend - aqicn.org

    Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution. Active children and adults, and people with respiratory disease, such as …

  9. AQI : Real-time Air Quality Index | Air Pollution Level

    2 days ago · Monitor your location's AQI in real-time. Get the latest air quality index and pollution levels, updated frequently for accurate, actionable information.

  10. Air Pollution in United States: Real-time Air Quality Index

    Our GAIA air quality monitors are very easy to set up: You only need a WIFI access point and a USB compatible power supply. Once connected, your real time air pollution levels are instantaneously available on the maps and through the API.

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