Air Quality Index (AQI) | AirNow.gov
WEBLocal air quality can affect our daily lives. Like the weather, it can change from day to day. EPA developed the Air Quality Index, or AQI, to make information available about the health effects of the five most common air pollutants, and how to avoid those effects.
AirNow.gov
WEBAirNow products now reflect the updated Air Quality Index for fine particle pollution. Learn more about the AQI updates.
National Maps | AirNow.gov
WEBAirNow products now reflect the updated Air Quality Index for fine particle pollution. Learn more about the AQI updates.
Recent AQI Trends | AirNow.gov
WEBAirNow products now reflect the updated Air Quality Index for fine particle pollution. Learn more about the AQI updates.
System Alerts | AirNow.gov
WEBAug 1, 2023 · AirNow products now reflect the updated Air Quality Index for fine particle pollution. Learn more about the AQI updates.
Using the Air Quality Index - AirNow
WEBWhat it is: The U.S. Air Quality Index, or AQI, is EPA’s tool for communicating daily air quality. It uses color-coded categories and provides statements for each category that tell you about air quality in your area, which groups of people may be affected, and steps you can take to reduce your exposure to air pollution.
Air Quality Index (AQI) Basics - AirNow
WEBThe 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 air pollution and the greater the health concern.
AQI & Health | AirNow.gov
WEBLocal air quality can affect our daily lives. Like the weather, it can change from day to day. EPA developed the Air Quality Index, or AQI, to make information available about the health effects of the five most common air pollutants, and how to avoid those effects.
State AQI | AirNow.gov
WEBAirNow products now reflect the updated Air Quality Index for fine particle pollution. Learn more about the AQI updates.
AirNow Fire and Smoke Map
WEBSmoke plumes reflect smoke anywhere in the atmosphere, not necessarily near the ground. As such, they may not be associated with bad air quality.