Air Quality Index (AQI) | AirNow.gov
WEBEvery 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.
World's Air Pollution: Real-time Air Quality Index
WEBAir 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.
Live Animated Air Quality Map (AQI, PM2.5...) | IQAir
WEBGet a monitor and contribute air quality data in your city. 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.
Air Pollution in United States: Real-time Air Quality Index …
WEBAir 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 asthma, should limit prolonged outdoor exertion.
Air Quality Index (AQI) Basics - AirNow
WEBWhat is the U.S. Air Quality Index (AQI)? The U.S. AQI is EPA’s index for reporting air quality. How does the AQI work? Think of the AQI as a yardstick that runs from 0 to 500. The higher the AQI value, the greater the level of …
Air Quality Index - National Weather Service
WEBThe 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 …
AirNow Interactive Map - US EPA
WEBThe 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. Click on a dot to see forecast info for …
Air Quality | US EPA - U.S. Environmental Protection Agency
WEBAug 16, 2024 · The 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. , summarizes the nation's air …
Air Quality Index Scale and Color Legend - aqicn.org
WEBReal-time air pollution index for 100+ countries.
What is the air quality index (AQI)? | IQAir
WEBAug 4, 2018 · 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