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.
Air Quality Index (AQI) Basics - AirNow
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 …
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.
AirNow Interactive Map - US EPA
The air quality forecast is a prediction of the day’s overall AQI issued by state and local air quality forecasters. Each dot on this map represents a city or reporting area that issues a forecast. Read more about the air quality forecast. Click on a dot to see forecast info for …
World's Air Pollution: Real-time Air Quality Index
Air Quality Index (AQI) Calculation. The Air Quality Index is based on measurement of particulate matter (PM 2.5 and PM 10), Ozone (O 3), Nitrogen Dioxide (NO 2), Sulfur Dioxide (SO 2) and Carbon Monoxide (CO) emissions.
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.
Air Quality | US EPA - U.S. Environmental Protection Agency
Last updated on October 28, 2024. 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 cleaner every day.
Air Quality Index - National Weather Service
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.
USA Air Quality Index (AQI) and Air Pollution information | IQAir
Read the air pollution in USA, get real-time, historical and forecast PM2.5 and weather data with AirVisual.
Air Pollution in United States: Real-time Air Quality Index …
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 …