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Current Air Quality
Get air quality and weather information for the Bay Area.
Air Monitoring Data
View current and historical air quality and weather information collected from the Air District’s air monitoring network.
Air Quality Forecast and Spare the Air Status Map
| Air Quality Index Levels of Health Concern | Numerical Value |
|---|---|
| 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 |
|
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
Spare the Air Status
Last Updated: 10/13/2017