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Spare The Air
Alert
Advisory
San Francisco Bay Area
Air Quality Status
Tuesday, 8/16
Alert/Advisory
Wednesday, 8/17
Advisory
No Alert

Advisory

Smoke from the Six Rivers Lightning Complex Fire in Humboldt and Trinity counties is expected to impact the Bay Area on Wednesday, causing hazy skies. However, pollution levels are not expected to exceed the national 24-hour health standard. A Spare the Air Alert is not in effect on Wednesday.

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An Air Quality Advisory is in effect. The air quality in the Bay Area might affect susceptible populations.
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An Advisory is Posted

Air Quality Advisories are posted when air quality might affect susceptible populations and pollutants are not expected to exceed federal health-based standards.

Example of an Air Quality Advisory

Wildfire smoke from adjacent regions (such as southern California or Oregon) drifts into parts of the Bay Area, affecting air quality.

Spare the Air Alert

When air quality conditions are expected to cause pollution levels exceeding federal air quality standards, a Spare the Air Alert or Winter Spare the Air Alert is called.

Action Alert
Limit Driving
Work Remotely
Know the Health Effects
Check the Forecast Map
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Friends! There's a Spare the Air alert for the Bay Area today. Learn more here.
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Text Alerts will notify you when ozone levels and particle levels are forecast to be unhealthy and when it is illegal to burn wood.
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Message frequency will vary. Subscribers are expected to receive an estimated 1-15 texts per month, potentially more, depending on how weather patterns and natural occurrences influence the number of poor air quality days in the Bay Area. Message and data rates may apply.

How to stop receiving messages:

  • Text STOPW for Winter STA Alerts.
  • Text STOPS for Summer STA Alerts.
  • Text STOP to unsubscribe from all STA Alerts.
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Spare The Air
Spare the Air Popup Alert Caption
A Spare the Air Alert has been issued for Tuesday 08/16 in the San Francisco Bay Area.