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Notice
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Air District Board Votes to Delay Water Heater Requirement
The Air District Board approved updates to the zero-NOx water heater rule that delay implementation to January 2028 and allow exemptions for low-income homeowners, properties with electrical limitations and space-constrained homes. View press release(181 Kb PDF, 2 pgs, posted 2026/11/4).
Notice
Air District Board Votes to Delay Water Heater Requirement
The Air District Board approved updates to the zero-NOx water heater rule that delay implementation to January 2028 and allow exemptions for low-income homeowners, properties with electrical limitations and space-constrained homes. View press release(181 Kb PDF, 2 pgs, posted 2026/11/4).
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當前空氣品質
獲取灣區當前和歷史空氣品質和天氣資訊。
當前空氣預測
| 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 |
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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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Spare the Air Status
Last Updated: 2017/10/13