NASA Research Plane to Make Low Passes Over Area

Pasadena residents will likely see—and hear—a large low-flying aircraft skimming just above the region in the coming weeks.

Don’t be alarmed; it will just be one of two NASA research planes making their scheduled flights through the region as part of an effort to study urban air quality.

The planes will be making passes at the relatively low altitude of 1,000 feet, according to a NASA release.

Officials said the test is also intended to help scientists improve their ability to measure ground-level air pollution from space.

According to a release, about 14 flights are planned. They are scheduled to take place between June 27 and July 31, depending on the weather.

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