Matt Rota | Heathy Gulf 1 August 2025 New Orleans, LA–Today, the official size of the 2025 Gulf Dead Zone was announced by NOAA-supported scientists. This year’s dead zone measured approximately 4,402 square miles, almost the size of Connecticut. While this is not the largest Dead Zone we have seen, it is approximately over [...]

MIKE SMITH | Nola.com 31 Jul 2025 LUMCON’s research vessel Pelican docked before a cruise. Scientists take the ship out annually to measure the size of the Dead Zone in the Gulf of Mexico. (Photo courtesy of Cassandra Glaspie) The Gulf “dead zone” off Louisiana’s coast was nearly the size of Connecticut this summer, [...]

31 July 2025 NOAA-supported scientists announced today that this year’s Gulf of America “dead zone” — an area of low to no oxygen that can kill fish and marine life — is approximately 4,402 square miles, 21% smaller than estimates from early June and the 15th smallest measurement on record. This equates to [...]