2026-04-30 · documented hypoxic coastal areas

Hundreds of coastal dead zones

Fertilizer runoff fuels algae blooms. Oxygen vanishes — fish flee or die.

How to read: 1 cell = 0.7 documented hypoxic coastal areas (0.1% of coastal dead zones). 1,000 cells total.

All 1000 cells. 1 cell = 0.7 documented hypoxic coastal areas (0.1% of coastal dead zones). Hover or tap any square for details.