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NASA

Sunset view from underneath an airplane's wing

NOAA researchers fly out over the Pacific to investigate cloud-forming marine sulfur

While the shade offered by clouds on a hot sunny day can be obvious, quantifying the actual climate impact in terms of solar energy remains a challenging task. This is because the volume, thickness, and lifetime of marine clouds can change rapidly, and the processes that govern how and where clouds  form and how gases and aerosols in the air interact with cloud droplets are highly complex. In a marine environment, many of those gases and aerosols in the air come from the ocean itself. 

Smoke from wildfires influences ozone pollution on a global scale

New NOAA analysis of a ground-breaking global atmospheric airborne research mission shows that smoke from biomass burning substantially contributes to one of the most common and harmful constituents of urban air pollution: ozone.  Another record-breaking fire season across the western United States and Canada fouled skies as far downwind as Boston and New York City with wildfire smoke, visibly demonstrating the impacts that fires can have on air quality thousands of miles away. Now, new NOAA research demonstrates that the effects of fire emissions on the atmosphere are even larger and far more widespread than previously believed, and substantially contribute to one of the most common and harmful constituents of urban air pollution: ozone. 

NOAA’s miniature aerosol instrument delivered to space

A miniaturized aerosol spectrometer developed by scientists in NOAA’s Chemical Sciences Labotatory will be one of several insttuments making sure air in the living spaces of the International Space Station stays safe. 

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