Images related to Put a Lid on It

Pollutant Emissions Leveling Off a Bit in the U.S.
Image

Pollutant Emissions Leveling Off a Bit in the U.S.

Satellite data show that nitrogen oxide and carbon monoxide are not declining as much as projected by models.

Published May 31, 2018

Image of the Day Atmosphere Remote Sensing

SO2 Pollution Controls Bring Results
Image

SO2 Pollution Controls Bring Results

Scientists using a NASA satellite found that sulfur dioxide levels in the vicinity of major coal-fired power plants in the U.S. have fallen by half since 2005.

Published Dec 2, 2011

Image of the Day Atmosphere Human Presence

Bad Air Days Avoided
Image

Bad Air Days Avoided

With new regulations of ozone-forming pollutants, bad air quality days in the eastern United States have dropped.

Published May 26, 2016

Image of the Day Atmosphere Remote Sensing

Sulfur Dioxide Increasing Over India
Image

Sulfur Dioxide Increasing Over India

A new analysis of data from the Aura satellite shows greater concentrations of this atmospheric pollutant.

Published Dec 20, 2013

Image of the Day Atmosphere

The Rise and Fall of SO<sub>2</sub> Over Aruba
Image

The Rise and Fall of SO2 Over Aruba

Emissions maps tell the story of global oil markets.

Published Mar 22, 2017

Image of the Day Atmosphere Human Presence Remote Sensing

Satellite Tracks Ozone Pollution by Monitoring Its Key Ingredients
Image

Satellite Tracks Ozone Pollution by Monitoring Its Key Ingredients

Understanding the chemical precursors of ground-level ozone may make it easier to prevent the pollutant from building up in the lower atmosphere.

Published Nov 7, 2017

Image of the Day Atmosphere Human Presence Remote Sensing

Sulfur Dioxide Down over the United States
Image

Sulfur Dioxide Down over the United States

Levels of the air pollutant have dropped by about 80 percent over the eastern United States.

Published Dec 22, 2015

Image of the Day Human Presence Remote Sensing

The Ups and Downs of Sulfur Dioxide in North America
Image

The Ups and Downs of Sulfur Dioxide in North America

Sulfur dioxide emissions have declined in the eastern United States and risen slightly in Mexico.

Published May 26, 2017

Image of the Day Atmosphere Human Presence

“Killer” Trees? Not Exactly
Image

“Killer” Trees? Not Exactly

While some forests emit volatile organic compounds that are involved in ozone pollution, history shows attempts to control smog have a better chance of succeeding by focusing on vehicle emissions.

Published Jul 16, 2014

Image of the Day Atmosphere

Pollution across Southwestern Asia
Image

Pollution across Southwestern Asia

NASA’s Aura satellite observes nitrogen dioxide hovering over many cities in the region, trapped by winter weather conditions.

Published Jan 18, 2013

Image of the Day Atmosphere

Airborne Nitrogen Dioxide Plummets Over China
Image

Airborne Nitrogen Dioxide Plummets Over China

NO2 amounts have dropped with the coronavirus quarantine, Chinese New Year, and a related economic slowdown.

Published Feb 28, 2020

Image of the Day Atmosphere Life Dust and Haze Human Presence Remote Sensing

Satellite Finds Unreported Sources of Sulfur Dioxide
Image

Satellite Finds Unreported Sources of Sulfur Dioxide

Using NASA’s Aura satellite and some new analysis techniques, researchers found previously missing or under-reported sources of the pollutant.

Published Jun 7, 2016

Image of the Day Atmosphere Human Presence Remote Sensing

A Decade of Change for Nitrogen Dioxide
Image

A Decade of Change for Nitrogen Dioxide

From 2005 to 2014, the Aura spacecraft observed increases in the air pollutant in some cities and decreases in others.

Published Jan 28, 2016

Image of the Day Atmosphere Human Presence

Relative Amounts of Bad Ozone Ingredients Across the U.S.
Image

Relative Amounts of Bad Ozone Ingredients Across the U.S.

These maps show how the relative amounts of the key ingredients for ozone (smog) formation in the United States change throughout the summer.

Published Aug 7, 2009

Image of the Day Atmosphere Life Human Presence

Nitrogen Dioxide Levels Rebound in China
Image

Nitrogen Dioxide Levels Rebound in China

With most lockdowns ending and economic activity resuming, levels of the air pollutant have returned to near normal for this time of year.

Published May 22, 2020

Image of the Day Atmosphere Life Dust and Haze Human Presence Remote Sensing

2003 Global NO<sub>2</sub>
Image

2003 Global NO2

Published Sep 1, 2004

Image of the Day Atmosphere

The Ozone Hole of 2008
Image

The Ozone Hole of 2008

On September 12, 2008, the Antarctic ozone hole reached its maximum size for the year.

Published Oct 25, 2008

Image of the Day Atmosphere

Puerto Rico Goes Dark
Image

Puerto Rico Goes Dark

A power plant fire left much of the island without electricity.

Published Sep 23, 2016

Image of the Day Land Fires Unique Imagery Human Presence Remote Sensing

Sulfur Dioxide Emissions Fall in China, Rise in India
Image

Sulfur Dioxide Emissions Fall in China, Rise in India

Pollution controls can work even as coal-usage continues.

Published Nov 14, 2017

Image of the Day Atmosphere Human Presence

The Seasonal Rhythms of Ammonia
Image

The Seasonal Rhythms of Ammonia

Farms and feedlots are a key source of the pollutant.

Published Dec 10, 2018

Image of the Day Atmosphere Human Presence

2011 Antarctic Ozone Minimum
Image

2011 Antarctic Ozone Minimum

The annual ozone hole over Antarctica reached its maximum area on September 12, 2011, and its maximum depth on October 9, 2011.

Published Oct 21, 2011

Image of the Day Atmosphere