Expand sub-menus

Atmospheric Chemistry and Dynamics (614) Press Releases & Feature Stories Archive

Search Filter


 

Showing 1 to 25 of 337.

Results Page: 1 2 3 4 5 6 ... 14
Image of Siberia with Aerosol Index overlay

Siberian Smoke 2020

07.28.2020
Most of Alaska is now covered by smoke from the Siberian Fires as it wraps around a low-pressure system.
GEOS5 global image of Dust Aerosol Optical Thickness

A Dust Plume to Remember

07.01.2020
While dust routinely blows across the Atlantic Ocean, scientists rarely see plumes as large and dense with particles as the one that darkened Caribbean skies in June 2020.
Animation showing the aerosols in the Saharan dust plume from June 15 to 25, 2020. It was created from the Suomi NPP OMPS aerosol index.

NASA-NOAA’s Suomi NPP Satellite Analyzes Saharan Dust Aerosol Blanket

06.26.2020
Dust storms from Africa’s Saharan Desert traveling across the Atlantic Ocean are nothing new, but the current dust storm has been quite expansive and NASA satellites have provided a look at the massive June plume.
Suomi NPP satellite image of Saharan dust plume over the North Atlantic Ocean

NASA Observes Large Saharan Dust Plume Over Atlantic Ocean

06.19.2020
NASA-NOAA’s Suomi NPP satellite observed a huge Saharan dust plume streaming over the North Atlantic Ocean, beginning on June 13. Satellite data showed the dust had spread over 2,000 miles.
ISS image of extreme fire activity in Australia.

NASA’s SAGE III Instrument Observes Aerosol Spike from Australian Fires

06.02.2020
The devastating southeastern Australian bushfires that started last September spewed smoke and aerosols higher into the atmosphere than some Earth-observing instruments have ever measured.
Two maps contrasting Mean Tropospheric NO2 Density over China in February 2020 vs. May 2020

Nitrogen Dioxide Levels Rebound in China

05.26.2020
With most lockdowns ending and economic activity resuming, levels of the air pollutant have returned to near normal for this time of year.
Aura satellite image of NO2 estimates over southwest United States

NASA Satellite Data Show Air Pollution Decreases over Southwest U.S. Cities

05.14.2020
On March 19, California was one of the first states to set mandatory stay-at-home restrictions in an attempt to slow the spread of COVID-19. Arizona and Nevada followed suit around April 1.
Image depicting March 2020 levels of nitrogen dioxide in the northeast U.S

NASA Funds Four Research Projects on COVID-19 Impacts

05.13.2020
Through its Rapid Response and Novel Research in Earth Science (RRNES) initiative, NASA is providing funding for selected, rapid-turnaround projects that make innovative use of satellite data and other NASA resources to address the different environmental, economic and societal impacts of the pandemic.
Satellite map of nitrogen dioxide (NO2), over the Northeast United States due to COVID-19 response.

NASA Monitors Environmental Signals From Global Response to COVID-19

04.29.2020
For the past several weeks, much of the world has experienced a new normal: one with fewer cars on the road and more time spent at home.
Night image from Jan. 29, 2012, where human presence is clearly visible as the space station passed over the Gulf of Mexico looking north to the southeastern United States.

NASA Probes Environment, COVID-19 Impacts, Possible Links

04.29.2020
Scientists are using information from NASA’s Earth-observing satellites, on-the-ground sensors and computer-based datasets to study a various impacts of the COVID-19 pandemic.
Image of NASA researcher

On Earth Day 50, NASA Researchers Look To the Future

04.21.2020
In the 50 years since the first Earth Day, the view from space has revolutionized our understanding of Earth. Looking ahead at the next 50 years, we've asked researchers across the agency about the big questions in their fields and the role they see NASA playing to meet environmental challenges.
Images of aerosol levels over India across 2016-2020

Airborne Particle Levels Plummet in Northern India

04.21.2020
Satellite data show that aerosol levels have dropped significantly since the COVID-19 lockdown began.
Images showing monthly average concentrations of ozone over the Arctic in March 2019 (a typical year) and March 2020

Unusual Weather Leads to Ozone Low Over the Arctic

04.17.2020
While such low concentrations of ozone are unusual, they are not unprecedented.
2020 NASA Earth Day 50th Anniversary poster.

#EarthDayAtHome with NASA

04.16.2020
Fifty years ago, on April 22, 1970, people around the world marked the first Earth Day. Thousands gathered to raise awareness about the importance of protecting our beautiful planet for future generations.
Image of ozone hole in March 2020

NASA Reports Arctic Stratospheric Ozone Depletion Hit Record Low in March

04.16.2020
Ozone levels above the Arctic reached a record low for March, NASA researchers report. An analysis of satellite observations show that ozone levels reached their lowest point on March 12 at 205 Dobson units.
Photo of Earth's atmosphere

NASA Data Aids Ozone Hole’s Journey to Recovery

04.15.2020
On September 16, 1987, policymakers and scientists from around the world gathered at the International Civil Aviation Organization’s headquarters in Montreal, preparing to take action on the day’s most urgent topic: Depletion of the Earth’s protective ozone layer.
Still from animation of chemistry throughout the atmosphere at any given time and help predict air quality worldwide.

How NASA is Helping the World Breathe More Easily

04.14.2020
Look around. Can you see the air? No? Luckily, many of NASA's Earth-observing satellites can see what the human eye can't -- including potentially harmful pollutants lingering in the air we breathe.
Earth Day at Home graphic

NASA Marks Earth Day’s 50th Anniversary with #EarthDayAtHome

04.10.2020
As the world observes the 50th anniversary of Earth Day on Wednesday, April 22, NASA is highlighting the agency’s many contributions to sustaining and improving our home planet’s environment...
Map indicating average concentration of nitrogen dioxide across Mid-Atlantic in March 2020

NASA Satellite Data Show 30 Percent Drop In Air Pollution Over Northeast U.S.

04.09.2020
While less air pollution may seem like a great thing, the recent improvements in air quality around the world, such as over China and Europe, are resulting from efforts (e.g., lockdowns and stay-at-home orders) by cities and countries to reduce the spread of COVID-19.
Logo grapic for NASA's Curious Universe

New NASA Podcast Helps Listeners Explore Our ‘Curious Universe’

04.06.2020
NASA’s newest podcast is taking listeners on an adventure to explore the wonders of Earth and help unravel the mysteries of the universe.
Keep the lights on banner image

NASA Science Keeps the Lights On

04.02.2020
Across NASA’s many missions, thousands of scientists, engineers, and other experts and professionals all over the country are doing what they do best, but now from home offices and via video conferencing. With most personnel supporting missions remotely to keep onsite staff at a minimal level in response to COVID-19, the Agency is moving ahead strongly with everything from space exploration to using our technology and innovation to help inform policy makers.
Image of Robert Goddard at chalkboard with mathematical formulas

Statement on NASA Goddard’s Coronavirus Prep Actions

03.13.2020
Goddard has canceled all non-mission-essential visits to its facilities. Goddard also is closing its Visitor Centers at Greenbelt and at Wallops Flight Facility, Virginia.
Nitrogen Dioxide Mean Troposphere Density in units of micro-mole per meter-squared over China, Jan1-20, 2020 and Feb1-20, 2020

Airborne Nitrogen Dioxide Plummets Over China

03.02.2020
NASA and European Space Agency (ESA) pollution monitoring satellites have detected significant decreases in nitrogen dioxide (NO2) over China. There is evidence that the change is at least partly related to the economic slowdown following the outbreak of coronavirus.
Suomi NPP satellite natural-color image of fire and smoke across Australia

Explosive Fire Activity in Australia

01.10.2020
Fires are burning so fiercely that they are lofting smoke to unusual heights.
Still from animation depicting smoke from Australian wildfires

NASA Animates World Path of Smoke and Aerosols from Australian Fires

01.09.2020
A fleet of NASA satellites working together has been analyzing the aerosols and smoke from the massive fires burning in Australia.
Results Page: 1 2 3 4 5 6 ... 14
                                                                                                                                                                                        
NASA Logo, National Aeronautics and Space Administration
  • NASA Official:
  • Curator:
  • Last Updated: 08/07/2020