Bytes and pieces: News you can use

Air quality alerts: Air pollution in northeastern China caused schools to close, airports to shut down, and police roadblocks to be set up to monitor exhaust fumes this month.

Research sources: A website offers a library of resources related to healthcare quality, with free subscription.

Quality challenges: The Pentagon’s F-35 Joint Strike Fighter program continues to struggle with quality management issues, according to a new report from the Pentagon’s Inspector General.

Imported spice quality: Twelve percent of imported spices are contaminated, according to a report from the U.S. Food and Drug Administration (FDA).