It’s not good. Give your lungs a break and go to the coast.

smokey north yuba river near sierra city

The smoke seems to have put the fish down.  The flows are really low.  Don’t bother until the smoke clears. 

This fire season has already hurt so many people- truly sad.  

Downieville air quality
Downieville ash on jeep from fires in sierra

An AQI of 509 is really unhealthy.  The ash on the hood of the jeep tells a story.