Search Bar

No Location Selected

AirNow

About AirNow How to use this site AirNow Partners List of Partners For Partners FAQs Contact Us Announcements About the data

AQI & Health

Air Quality Index (AQI) AQI Basics Ozone Using the Air Quality Index Particle Pollution AQI Calculators Action Days Air Quality and Health Activity Guides Your Health Asthma and Heart Disease Health Professionals Air Quality Awareness Week

Fires

Wildfires Fire and Smoke Map Using AirNow During Wildfires Smoke Advisories Fires and Health

Maps & Data

Interactive Map National Maps Fire and Smoke Map Using AirNow During Wildfires Information by state Past Data By City By Monitor U.S. Embassies & Consulates AirData AirCompare Developers/API AirNow Mobile App

Education

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

Resources

EnviroFlash emails Air Sensors Web Cams Developers/API Custom AirNow Maps Widgets Publications Publications (en español) Air Quality Videos Site Map

Recursos en español

Arrow pointing from Alerts Popup to the Tool button

⨯

System Alerts

https://www.airnow.gov/alert/4781

Volcanic eruptions on Hawaii Island

2022-12-06

There are currently eruptions at two volcanoes on Hawaii Island: Kilauea and Mauna Loa. For air quality data, please visit Hawaii Ambient Air Quality Data or Hawaii Short Term SO2 Advisory.

Information related to volcanic emissions (vog) can be found on the Hawaii Interagency Vog Information Dashboard.

Please see the Air Quality Information for Hawaii Residents and Visitors for more information.

View All (1)

Arrow pointing from Announcements Popup to the Tool button

⨯

Announcements

https://www.airnow.gov/announcement/3336

Recursos de AirNow en español

2022-08-04

Ahora los recursos de AirNow en español son más fáciles de encontrar. Haga clic en los “Recursos en español” para encontrar los enlaces a nuestros documentos en español sobre el Índice de Calidad del Aire, cómo prepararse para los incendios forestales y más.

https://www.airnow.gov/announcement/4636

Celebrate Air Quality Awareness Week

2022-05-03

It’s Air Quality Awareness Week! This year’s theme is “Be Air Aware and Prepared.” Learn how you can be aware and prepared by checking out daily information about air quality topics, including wildfire smoke, asthma, and environmental justice, among others. Celebrate #AQAW2022 with us on Twitter and Facebook.

https://www.airnow.gov/announcement/4831

Wildfire Guide Information Page

2021-10-04

We’ve created a new Wildfire Guide Information Page where you can find the updated Wildfire Smoke: A Guide for Public Health Officials (Wildfire Guide). The page includes links to Wildfire Guide Factsheets for the public, and Post-Publication Updates, where you can find up-to-date guidance and other new evidence-based information for public health officials.

View All (3)