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Mystery Stench: Do You Smell Something Stinky?

A mysterious rotten egg smell has been reported around the Los Angeles basin and the South Coast Air Quality Management District is investigating its source.

If you smell something stinky in the air and are wondering who's responsible, you're not alone.

A strange, sulphuric "rotten egg" smell has been reported around the Los Angeles basin and the South Coast Air Quality Management District announced Monday that it's trying to find out where it's emanating from.

"Since around midnight last night, AQMD has received more than 100 calls reporting a strong, foul rotten egg/sulfur odor," the AQMD said in a statement. "Residents have complained from a very wide area including the Inland Empire and much of the Los Angeles Basin. Fish kills, algae blooms and other biologic conditions in lakes can cause strong odors. Industrial facilities such as wastewater plants also can cause sulfur odors. At this time AQMD hasn’t confirmed any source as the cause of the widespread odor."

The AQMD has promised to update residents on the source of the stench later in the day, so stay tuned to Patch for the latest on unexplained smells.

Have you smelled something odd in the air in Sierra Madre?

Vickie Allen Griffin September 10, 2012 at 08:40 PM
Yes! This made me so happy when I saw this, I've been asking everyone I've seen today what the sulphur smell was all about. Nobody smelled it but me.
Vinny BarbarinoVinnybarbarino September 10, 2012 at 09:02 PM
Louie / Mary Mac and pussdad must have gas !!!!
LarKat September 11, 2012 at 12:27 AM
Smelled it this morning in Sierra Madre & Hastings Ranch but attributed it to warm, humid weather. Glad to know it wasn't just me who smelled it, please keep us posted as you learn more about it's origins.
Jessica Hamlin September 11, 2012 at 04:40 PM
Here's an update on the mystery smell: http://patch.com/A-xF02
Melanie October 10, 2012 at 02:48 AM
We've had the repair guy out 4 times since early Spring looking at the dishwasher because the dishes stink. I just had a glass of water tonight at The Only Place in Town and smelled the same rotten egg smell. OK so we aren't crazy.


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