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‘Insane’ California Air Topped World Health Standard by 60 Times

  • Pollution from deadly fire may persist after flames are out
  • Heavy rain forecast in two days; smoldering hurts air quality
People wear masks while smoke from the Camp Fire fills the air in San Francisco, California.

People wear masks while smoke from the Camp Fire fills the air in San Francisco, California.

Photographer: Michael Short/Bloomberg

California’s air exceeded world health standards by 60 times last week, and conditions on Monday continued to top safe thresholds with the deadliest blaze ever in the state is about 65 percent contained.

Last week, particulates in the air reached as high as 1,500 micrograms per cubic meter. The threshold set by the World Health Organization is 25. Lower levels on Monday still exceeded the benchmark.