Air Quality Index (AQI) & Health Millions of people live in areas where air pollution can cause serious health problems. Local air quality can affect our daily lives. Like the weather, it can …

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 …

The AirNow system generates a list of where the AQI for ozone or particle pollution is currently the highest at any given hour; this list automatically updates hourly, so the list changes several …

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 …

Your first time on AirNow The first time you use AirNow, you’ll land on the entry page. Click the locator icon or use the search box to enter a zip code, city, or state. Zip code and city take you …

Today Tomorrow More AirNow.gov Location Search Use this box for geographic or location based searches. Maps and Data

AirNow.gov - Home of the U.S. Air Quality Index Home | Site Map | Contact Us | Accessibility

Interactive Map National Maps Fire and Smoke Map Using AirNow During Wildfires Information by state Past Data By City

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. Developed in a …

AirNow.gov - Home of the U.S. Air Quality Index Home | Site Map | Contact Us | Accessibility