HAB Bulletin

The California HAB Bulletin for January and February 2026 is available here.

The CDPH 2024 Marine Biotoxin Monitoring Annual Report is available here.

The California HAB Bulletin for October to December 2025 is available here.

The California HAB Bulletin for July to September 2025 is available here.

The CDPH Monthly Biotoxin report for June 2025 is available here.

The California HAB Bulletin for May and June 2025 is available here.

June 5: Lethal algae bloom is over, but sickened marine mammals aren’t safe yet – LA Times

June 4: In a foggy coastal town, Cal Poly marine research forecasts harmful algal blooms – Mustang News

The CDPH Monthly Biotoxin report for May 2025 is available here.

May 29: ‘Longest, most toxic, and deadliest’ algae bloom may finally be at an end – LA Times

May 13: CDPH Warns the Public Not to Consume Commercial and Sport-Harvested Pacific Sardines from Southern California Waters​ – CDPH

May 6: Marine Mammal Care Center gets more funding amid unprecedented number of sick, dead sea lions – NBC4

May 5: Domoic acid decline in ocean offers hope for Southern California sea lions – CBS8

May 1: 2025 HAB Update Flyers: Domoic Acid and PSP – SCCOOS

May 1: Annual Quarantine of Sport-Harvested Mussels Begins May 1​ ​ – CDPH