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Salton Sea - Odor Advisory

 

Last updated 08/10/2017 at 1:51pm



This advisory is in effect today, Thursday, August 10, 2017, and will expire at midnight Friday. If conditions warrant, SCAQMD will update this information.

The South Coast Air Quality Management District has issued an odor advisory today for the Coachella Valley due to elevated levels of a gas that smells like rotten eggs. That gas – hydrogen sulfide – is associated with natural processes occurring in the Salton Sea.

Hourly average concentrations of hydrogen sulfide (H2S) peaked this morning at 60 parts per billion immediately downwind of the Salton Sea and at 31 ppb in the community of Mecca. Although levels have decreased from the peak levels observed, they may increase at times through tomorrow with the monsoonal wind flows from the southeast.

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