Dense Smoke — Carquinez Strait and Delta, California

2018-11-10 to 2018-11-11 · Carquinez Strait and Delta, California

Event narrative

Dense smoke dropped visibilities down to a mile or less across across the Delta. Air quality measurements were in the Unhealthy range.

Wider weather episode

Wildfire smoke brought areas of dense smoke, with visibility levels at times dropping to less than a half mile. Hazardous air quality was measured across much of the Central Valley and Delta, causing numerous school and outdoor event cancellations.

Source: NOAA Storm Events Database, event_id 789454. Narrative written by the NWS forecast office that issued the report.