The agency’s proposal to tighten standards for small-particulate pollution has prompted opposing calls for tighter and looser regulations.
aerosols & particles
Posted inEditors' Highlights
Collaboration Helps Overcome Challenges in Air Quality Monitoring
Everything looks ideal for collaboration: interest from community members, a new method for monitoring air quality by scientists, and interest from policymakers. What happens next?
Posted inNews
Wildfire Smoke Destroys Ozone
Smoke aerosols from large wildfires are the perfect reaction surface for chlorine chemicals, speeding their transformation from ozone-friendly forms to reactive ones.
Posted inEditors' Highlights
Taking Cloud Microphysics Experiments to the Next Level
Experiments in a cloud chamber have provided valuable insights into microphysical processes and will get more realistic as the height of the chamber increases.
Posted inNews
Spring and Sewage Are in the Air Near San Diego
Sea spray can transport sewage-contaminated waters inland, potentially exposing those living kilometers from the beach.
Posted inEditors' Highlights
Unleashing the Power of AutoML for Atmospheric Research
Automated Machine Learning liberates domain scientists from selecting learners and hyperparameters and discovers the importance of atmospheric trace gases for improving surface PM2.5 estimates.
Posted inEditors' Highlights
Examining Aerosol-Cloud-Climate Interactions at a Large Scale
A new numerical setup demonstrates that aerosols could affect clouds, and hence the radiation budget, thousands of kilometers from their location.
Posted inEditors' Highlights
A New Approach to Sea Spray Aerosol Production and Prediction
Sea spray aerosols play a critical role in atmospheric processes. A new approach is in strong agreement with observations, paving the way for improved models of atmospheric aerosols of oceanic origin.
Posted inResearch Spotlights
When the Aral Sea Dried Up, Central Asia Became Dustier
Winds kick up large amounts of dust from the desert that has formed as the world’s fourth largest lake has disappeared, spreading it around the region and raising concerns about public health.