This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated.

Smoke from the West Coast’s ferocious firestorms continued to cause pollution problems in California and was expected to waft into Europe this week.

The historic fires have had air quality ramifications far and wide. The South Coast Air Quality Management District extended advisories for parts of the Southland for a 10th straight day. Onshore winds will probably begin moving smoke out of the South Coast Air Basin Wednesday afternoon. But conditions elsewhere remain grim.

Some areas around Bishop and Mammoth Lakes were listed as “beyond index,” meaning that “everyone should stay indoors and reduce activity levels,” according to air quality monitors. The air quality measurements reached 626, far beyond the 0-500 scale.

The inundation of smoke is severe enough to show up on satellite and is capturing the attention of scientists on both sides of the Atlantic Ocean.

Read the full story on LATimes.com.