A new method for evaluating the role of multiphase buffering and acidification reactions on aerosol pH finds that the buffering effect sustains sulfate production from high pH-favored multiphase reactions.
air quality
Posted inNews
Toxic Ethylene Oxide May Exceed Safe Levels in Cancer Alley
Concentrations of the cancer-causing chemical far surpass EPA threshold levels for safety in southeastern Louisiana.
Posted inNews
Dust Declines in Parts of Asia May Be Caused by the Warming Arctic
Rising Arctic temperatures have changed both wind patterns and precipitation in areas that carry dust to West and South Asia, but the change may not be permanent.
Posted inScience Updates
An Air Quality Model That Is Evolving with the Times
The pioneering Sulfur Transport and Deposition Model, initially designed to simulate atmospheric sulfur, continues to find new applications and value in environmental science and policymaking.
Posted inEditors' Highlights
A Powerful New Model for U.S. Climate–Air Quality Interactions
NOAA’s Geophysical Fluid Dynamics Laboratory has developed a new variable-resolution global chemistry-climate model for research at the nexus of U.S. climate and air quality extremes.
Posted inFeatures
When Fieldwork Comes Home
The impacts of the 2021 Marshall Fire rippled through a community of Colorado geoscientists, spurring them to action.
Posted inEditors' Highlights
A Dust-Up Over Dust Measurements
Dust has significant impacts on the environment, climate, air quality, and human health, yet dust events are underestimated and therefore do not receive the level of attention necessary.
Posted inNews
Climate Change Turns Up the Heat in Greek Museums
Museums and historic buildings use indoor microclimates to preserve artifacts, but rising temperatures could create a breeding ground for pests, mold, and deterioration.
Posted inNews
Natural Nitrogen Emissions Are Rising in California
Wildfires and soil microbes are releasing more nitrogen oxides in California as the climate gets warmer and drier.
Posted inNews
Some Chemicals Lingered for Weeks After Ohio Train Derailment
Researchers drove around a van outfitted with a sensitive mass spectrometer to measure airborne chemicals weeks after the disaster.