Welcome to ESRL

The NOAA Earth System Research Laboratories (ESRL) pursue a broad and comprehensive understanding of the many physical, chemical and biological processes that comprise the Earth system to better predict their behavior from minutes to millennia on local to global scales. Learn more

Explore Our Laboratories

Chemical Sciences Laboratory

Chemical Sciences Laboratory

Research to advance understanding of climate, air quality, and the stratospheric ozone layer.

Global Monitoring Laboratory

Global Monitoring Laboratory

Taking the pulse of the planet with accurate, long-term, global observations and analyses to advance understanding of the Earth system.

Global Systems Laboratory

Global Systems Laboratory

Making forecasts better through applied research and directed development.

Physical Sciences Laboratory

Physical Sciences Laboratory

Research to improve observations, understanding, modeling and predictions of weather, water, and climate extremes.