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 …

The table below defines the Air Quality Index scale as defined by the US-EPA 2016 standard:

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. Local air quality affects how you live and …

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 …

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 …

Convert Air Quality Index (AQI) to equivalent cigarettes smoked per day. Our scientific calculator helps you understand air pollution's impact on your health through an easy-to-grasp cigarette …

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 …

Jan 13, 2025 · This report provides Air Quality Index annual summary information, including maximum AQI values and the count of days in each AQI category. Read more about what's in …

AQI to Cigarettes Calculator. Input the Air Quality Index (AQI) where you live and how many hours you've been exposed. The calculator will tell you what the impact to your health is in …

Feb 19, 2025 · Learn about air quality and how it affects health. Discover how to check air quality forecasts, learn about what causes poor air quality, and find out how to help make our air …