Skip to main content

X

No Data Available

There are no current and forecast air quality data found near your location.

Please visit the for a list of cities with data. Please search for a U.S. location, or visit the International navigation tab.

X

Data Courtesy Of

Unable to retrieve Data Providers.

Search Bar

No Location Selected

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

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

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

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

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

1

Arrow pointing from Alerts Popup to the Tool button

⨯

System Alerts

https://www.airnow.gov/alert/4801

Wildfire Smoke in Multiple States

2023-08-15

Wildfire smoke continues to impact air quality throughout the US. Please use the Fire and Smoke map to check on wildfire smoke impacts in your area.

View All (1)

1

Arrow pointing from Announcements Popup to the Tool button

⨯

Announcements

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

PM 2.5 Monitors in Lāhainā Maui

2023-09-05

EPA is monitoring the air for fine particles in Lāhainā. See the monitoring results on the AirNow Fire and Smoke Map by clicking the magnifying glass at the upper right and typing Lahaina, HI in the search box. Using the AirNow app? Tap the smoke icon to take you to the Fire and Smoke Map.

View All (1)

Current Air Quality

Forecast AQI

Today

Action Day Icon

Tomorrow

Action Day Icon

More

AirNow.gov

Location Search

Use this box for geographic or location based searches.

AQI Calculator

AQI Calculators

AQI to Concentration
Concentration to AQI

Concentration to AQI Calculator

DIRECTIONS: Select a pollutant, then enter the Concentration value. Click on “Calculate” to see the results.

Select a Pollutant

Units

Enter the Concentration

AQI

AQI Category

Sensitive Groups

Health Effects Statements

Cautionary Statements

AirNow.gov - Home of the U.S. Air Quality Index

Home | Site Map | Contact Us

AirNow.gov - Home of the U.S. Air Quality Index

Home | Site Map | Contact Us