AQI: Good (0 - 50)Air quality is considered satisfactory, and air pollution poses little or no risk.
AQI: Moderate (51 - 100)Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.
AQI: Unhealthy for Sensitive Groups (101 - 150) Although general public is not likely to be affected at this AQI range, people with lung disease, older adults and children are at a greater risk from exposure to ozone, whereas persons with heart and lung disease, older adults and children are at greater risk from the presence of particles in the air.
AQI: Unhealthy (151 - 200) Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects.
AQI: Very Unhealthy (201 - 300)Health alert: everyone may experience more serious health effects.
AQI: Hazardous (301 - 500)Health warnings of emergency conditions. The entire population is more likely to be affected.
Action Day
| Highest 5: |
| About the Highest 5 |
- Current AQI
- Today's Forecasts
- Tomorrow's Forecasts
Updates for current conditions are not available between midnight and 4 am EST.
| Portola, CA |
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| Pinehurst, ID |
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| Columbus-Phenix City - GA/AL, GA |
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| New Jersey, NJ |
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| Rider University, NJ |
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Note: Values above 500 are considered Beyond the AQI. Follow recommendations for the Hazardous category. Additional information on reducing exposure to extremely high levels of particle pollution is available.
Fires: Current Conditions |
| Click to see map |
| Wildfire Guide and Factsheets |
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U.S. Embassies and Consulates Data from air quality monitors at select U.S. embassies and consulates around the world |
Announcements
Updated AirNow Website – Preview
The updated AirNow website is coming soon! You can preview the site here. When we go live this spring, you’ll see the updated site any time you visit airnow.gov. If you have questions, let us know.
The updated AirNow website is coming soon! You can preview the site here. When we go live this spring, you’ll see the updated site any time you visit airnow.gov. If you have questions, let us know.
