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.
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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 …
AQI & Health | AirNow.gov
Local 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.
National Maps | AirNow.gov
Smoke from several wildfires in the Los Angeles, California area is affecting air quality in portions of the state. Check the AirNow Fire and Smoke Map for local air quality conditions, fire locations and smoke plumes.
AirNow Fire and Smoke Map
This map shows fine particle pollution from wildfires and other sources. It does not show air toxics or other pollutants. For ozone, go to AirNow . Learn more about this map
Using the Air Quality Index - AirNow
What 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.
effort is the Air Quality Index, or AQI. EPA and local offi-cials use the AQI to provide simple information about your local air quality, how unhealthy air may affect you, and how you can protect your health. What is the AQI? The AQI is an index for reporting daily air quality. It tells you how clean or unhealthy your air is, and what associ-
State AQI | AirNow.gov
Smoke from several wildfires in the Los Angeles, California area is affecting air quality in portions of the state. Check the AirNow Fire and Smoke Map for local air quality conditions, fire locations and smoke plumes.
Air Quality and Outdoor Activity Guidance for Schools. Regular physical activity — at least 60 minutes each day — promotes health and fitness. The table below shows when and how to modify outdoor physical activity based on the Air Quality Index. This guidance can help protect the health of all children, including