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.
AirNow.gov
AirNow is your one-stop source for air quality data. Our recently redesigned site highlights air quality in your local area first, while still providing air quality information at state, national, and world views.
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 …
Using the Air Quality Index - AirNow
Use the Air Quality Index (AQI) to learn more about your local air quality and the best times for your outdoor activities.
State AQI | AirNow.gov
Air Quality Flag Program Air Quality Flag Program (En Español) What You Can Do Information for: Teachers Students Health Professionals International U.S. Embassies and Consulates Canada Mexico
National Maps | AirNow.gov
Because air quality can change during the day, the areas on this list may change throughout the day, too. Note: This list is not used for regulatory purposes, and it does not indicate an area’s status in meeting National Ambient Air Quality Standards.
AirNow Mobile App
The app automatically displays the current AQI (Air Quality Index) for your local area or any area you wish to check, and allows you to store multiple areas for quick reference. The app also includes the AirNow Fire and Smoke map, which the EPA produced in …
What Is the AQI? - AirNow.gov
Information for students. The EPA and your State environmental agency measure pollution in the air. Then they use the Air Quality Index, or AQI, to tell the people about the air. An index can be a quick way to tell people how good or bad something is. The AQI uses colors, and numbers, and words to tell you about the air.
Air Quality Information for Hawaii Residents and Visitors - AirNow
Here are several resources for learning about Hawaii air quality conditions: Hawaii Interagency Vog Information Dashboard provides comprehensive information on vog and SO 2 : https://www.ivhhn.org/vog/
The NowCast uses an algorithm that relates hourly readings from air quality monitors to the AQI for ozone and particle pollution. The NowCast gives you the latest information on air quality where you are. Because air quality can change during the day, you can expect to see the NowCast AQI change. Even on