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Bookmark or Share- Live Animated Air Quality Map (AQI, PM2.5...) | IQAir19. 16. 13. 33.
- World Air Quality Index (AQI) Ranking | IQAirAQI US legend. 0-50. Good. 51-100. Moderate. 101-150. Unhealthy for sensitive groups. 151-200. Unhealthy. 201-300. Very unhealthy. 301+. Hazardous. Keep track of the most polluted cities in the world with our air quality index (AQI) ranking.
- Air Quality Index - National Weather ServiceThe 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. EPA calculates the AQI for five major air pollutants ...
- AirNow.govEPA has updated the Air Quality Index (AQI) for particle pollution, at the same time the Agency updated the annual health-based standard for this harmful pollutant. AirNow will reflect the updates when they become effective -- 60 days after the rule is published in the Federal Register.
- Air Quality | US EPAThe U.S. Air Quality Index is EPA's index for reporting air quality. Every day the AQI tells you how clean or polluted your outdoor air is, along with associated health effects that may be of concern.
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