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Advisory
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Air Quality Advisory
Smoke impacts in the Bay Area due to the Cooley Fire . Check air quality at fire.airnow.gov and protect your health if smoke is impacting your area by remaining indoors with windows and doors closed, if temperatures allow. Follow instructions from local health officials.
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Air Quality Forecasts
Get daily forecasts of air quality in the Bay Area.
Air District meteorologists issue daily forecasts for air quality.
Available daily forecasts include:
- Five-day air quality forecasts, which use the U.S. EPA’s Air Quality Index.
- Burn day forecasts that tell whether open burning is currently allowed in the Bay Area.
- Spare the Air Alert notifications, which appear on every page of the website - see status box on the right column of your screen.
| Air Quality Index Levels of Health Concern | Numerical Value |
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| Good | 0 to 50 |
| Moderate | 51 to 100 |
| Unhealthy for Sensitive Groups | 101 to 150 |
| Unhealthy | 151 to 200 |
| Very Unhealthy | 201 to 300 |
| Hazardous | 301 to 500 |
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Note: Values above 500 are considered Beyond the AQI. Follow recommendations for the "Hazardous category." See additional information on reducing exposure to extremely high levels of particle pollution. |
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Contact Us
Communications
General Information
415.749.4900
Meteorology & Measurements
Air Monitoring
415.749.4985
Last Updated: 3/27/2025