Toxic particulate matter has decreased by about a third over the past decade, but levels are still above what’s considered healthy.
everything atmospheric
Posted inNews
The Sun Bakes Wildfire Smoke, Changing Its Toxicity
A new study questions the narrative that dilution is the solution to pollution.
Posted inNews
Fossil Fuels Drive Increase in Atmospheric Helium
After decades of uncertainty, scientists have finally shown that fossil fuel extraction has flooded the atmosphere with 4He.
Posted inFeatures
Indoor Air Pollution in the Time of Coronavirus
How aerosol scientists spread the word on the airborne transmission of COVID-19–and what it means for cleaning our indoor air.
Posted inResearch Spotlights
Solar Wind a Major Driver of Atmospheric Sodium at Mercury
MESSENGER observations show a 50% rise in atmospheric sodium-group ions during periods of high solar wind activity.
Posted inResearch Spotlights
Modeling Atmospheric Waves from Hunga Tonga–Hunga Ha‘apai
A shallow-water oceanic model showed agreement with satellite observations of atmospheric waves produced by the eruption of the underwater volcano.
Posted inNews
Una nueva pista sobre el colapso de la plataforma de hielo antártica
Un tipo particular de tormenta coincidió con 13 de los 21 eventos recientes de desprendimiento en la Antártida.
Posted inFeatures
An Unprecedented View Inside a Hurricane
To improve future tropical cyclone forecasts, researchers sent a remotely operated saildrone into the extreme winds and towering waves around the eye of a category 4 hurricane.
Posted inScience Updates
Clues from the Sea Paint a Picture of Earth’s Water Cycle
New instrumentation and growing modeling needs in the Earth sciences are driving a renewed effort to compile and curate seawater oxygen isotope data in a centralized, accessible database.