County Air Pollution Control Officer Bob Reynolds reported no exceed of a health-based State or Federal Air Quality Standard is expected. Using the Federal Air Quality Index (AQI) for particulate matter, Lake County’s air quality is expected to remain in the good range. The AQI for particulate is expected to remain well below 101 where an unhealthy alert is given.
Smoke intrusions into the Lake County Air Basin, which last occurred on July 25 resulted primarily from the distant Yolla Bolly complex and remainder of the Lime complex. These uncontained wildfires continue to burn resulting in light occasions of haze but containment is improving and smoke output is believed to be considerably less.
Progress is being made on wildfires remaining on federal land, much of the Lime and Yolla Bolly complexes are in rugged and remote areas and are unlikely to be contained until the projected Aug. 15. The Soda and Mendocino Lightening Complex fires as well as the Butte Lightening Complex that started in late June are all contained. The Yolla Bolly which was lightning caused is now 60 percent contained. All fires in Lake County were contained last month.
Winds are expected to be the prevailing westerly and range from southwest to northwest through the next several days and with good upward ventilation, keeping smoke from these ongoing uncontained large wildfires to the north and east of the Lake County's Air Basin.
Residual smoke can be expected to remain throughout areas of Northern California on occasion, including Lake County, though at a much reduced level, until the Lime and Yolla Bolly Complex wildfires are contained.
Further updates of this status message are not planned unless a smoke intrusion is expected to occur.
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