Smoke from Ranch Fire drifts into Bay Area | News | Palo Alto Online |


Smoke from Ranch Fire drifts into Bay Area

Bay Area Air Quality Management District advisory extends through Wednesday

An air quality advisory due to smoke from the Ranch Fire in Tehama County has been extended through Wednesday.

Northerly winds near the blaze, burning south of Redding, is sending some smoke to the Bay Area, according to the Bay Area Air Quality Management District.

Although the smoke is expected to cause hazy skies and potentially elevated hourly air quality readings for fine particulates on Tuesday and Wednesday, it's not expected to exceed the federal health standard.

If the smell of smoke is present, Bay Area residents should avoid exposure. If possible, residents should stay inside with windows and doors closed until smoke levels subside, the air district stated.

It is also recommended that Bay Area residents set air-conditioning units and car vent systems to re-circulate to prevent outside air from moving inside.

Real-time air quality readings are available at


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Like this comment
Posted by resident
a resident of Downtown North
on Nov 6, 2019 at 12:36 pm

What "federal health standard" is this article referring to? On the PurpleAir website, I see air quality index of over 110 at many locations around town. I consider an AQI of 100 to be unhealthy for everyone.

Like this comment
Posted by resident
a resident of Downtown North
on Nov 6, 2019 at 12:40 pm

The link in the article goes to the BAAQMD website does not have any sensors in Palo Alto. There are no sensors anywhere in San Mateo County; didn't they used to have one in Redwood City? The closest sensor is in San Jose; I don't know how useful that is to people in Palo Alto.

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