Red tide is caused by a harmful algae bloom. It can bring respiratory problems and even fish kills in high concentrations.

DOH says coastal residents should keep their window and doors closed and use air conditioning instead of the sea breeze to ...

While red tides and other algal blooms can occur worldwide, Karenia brevis is found almost exclusively in the Gulf of Mexico but also has been found on the east coast of Florida and off the coast of ...

On Monday, the Lee County Department of Health issued a Red Tide warning for Fort Myers Beach, as thousands<a ...

Recent water samples show red tide off the coast of Southwest Florida, with one spot on Sanibel Island reporting high levels.

Weekly data on beach water quality is from the Florida Department of Health. Red tide and algal bloom data are from FWC. Red ...

Red tide has hit some areas of Southwest Florida this past week. Could it affect PCB? Here's a look at the data.

The Florida Department of Health in Lee and Collier counties issued a advisories for places like Sanibel and Vanderbilt and Bonita beaches.

A neurotoxin in red tide algae can kill fish and other animals and cause respiratory irritation in humans. People with certain pre-existing conditions are especially susceptible. Hurricanes can ...

If people or animals splash in the water or if boats create ... Karenia brevis, or red tide, is a naturally occurring, single-celled organism belonging to a group of algae called dinoflagellates.