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Plane studies air quality over Central Valley

Name: Plane studies air quality over Central Valley
Uploaded: 2023-08-28T18:04:00-0700
Duration: 2 min 11 s
Description: Those in the Central Valley may have been greeted with an unusual sight last week as a large plane circled the region, flying much lower than usual but for a good reason.

Those in the Central Valley may have been greeted with an unusual sight last week as a large plane circled the region, flying much lower than usual but for a good reason.