Nearly all of the air pollution monitors in Altadena were gone — destroyed in the fire. To make up for the loss, scientists from Caltech and the Jet Propulsion Laboratory (JPL) in La Cañada Flintridge ...

JPL, the laboratory behind the first U.S. satellite launched into space, is based in La Cañada Flintridge, one of the communities in northeast LA County affected by the devastating Eaton Fire.

Nearly all of the air pollution monitors in Altadena were gone — destroyed in the fire. To make up for the loss, scientists from Caltech and the Jet Propulsion Laboratory (JPL) in La Cañada ...