Atmospheric aerosols from human activity influence climate. Uncertainties in the understanding of their effects limit our knowledge about climate change. Aa Aa Aa What is the source and ...

The Atmospheric Aerosols group operates within the Institute for Atmospheric and Earth System Research (INAR) at University of Helsinki, Faculty of Science. We perform both long-term and campaign-wise ...

Clouds and aerosols are ubiquitous in planetary atmospheres, where they impact climate, atmospheric chemistry, remote sensing, and weather. Clouds are a vital link in the global and regional weather ...

New insights into the behavior of aerosols from cooking emissions and sea spray reveal that particles may take up more water than previously thought, potentially changing how long the particles remain ...

Anthropogenic aerosol emissions may be a culprit behind weakening jet streams and weather systems in the Northern Hemisphere.

A lengthening observational record is being used to test predictions and improve understanding of the mechanisms behind ...

In contrast, aerosol material emitted to the atmosphere directly is known as primary. Generally, particles with diameters smaller than 100 nm are known as ultrafine or Aitken-mode particles ...

The Scripps O 2 Program measures changes in atmospheric oxygen levels from air samples collected at stations around the world. CAICE is a Center for Chemical Innovation focused on the fundamental ...

New insights into the behaviour of aerosols from cooking emissions and sea spray reveal that particles may take up more water than previously thought, potentially changing how long the particles ...