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) | 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.
National Maps | AirNow.gov
The list below shows the areas with the highest NowCast AQI for the current hour. The AirNow system automatically generates this list every hour, based on the areas with the highest NowCast AQI for ozone or particle pollution.
Maps and Data | AirNow.gov
Maps and Data | AirNow.gov. 1. Arrow pointing from Announcements Popup to the Tool button. The U.S. Environmental Protection Agency and the U.S. Forest Service are pleased to bring you this updated AirNow Fire and Smoke Map, with even more information you can use to protect yourself from wildland fire smoke.
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.
About AirNow | 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.
AirNow Fire and Smoke Map
Fire and Smoke Map v4.0. This map shows fine particle pollution (PM2.5) from wildfires and other sources. It provides a public resource of information to best prepare and manage wildfire season.
How To Use This Site | AirNow.gov
Get a quick view of today and tomorrow’s air quality forecasts plus any action day notices. Hover over or tap images and text to find definitions and links to more information. Enter a new zip code, city, or state in the search box, or click the locator icon.
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 …