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In January 2013, intense bushfires blazed in Tasmania, an island south of Australia. The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite captured this image showing ...

A low-pressure system brought strong winds—gusting to 55 miles (85 kilometers) per hour —to the Southern Plains on March 18, 2014. The winds picked up exposed soil from the parched landscape, ...

Relating Visibility to Air Quality Poor air quality contributes to poor visibility, but poor visibility doesn’t always mean that the air quality is bad. Fog or clouds may be limiting visibility. To ...

In June of 2016, Dr. Helen Worden became the U.S. Principal Investigator for MOPITT. She is interested in multi-decadal trends of carbon monoxide that indicate changing emissions of pollution with ...

A layer of haze filled China’s Sichuan Basin on January 23, 2014, when the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite acquired this natural-color image. The haze ...

Testing for nitrogen in your local watershed can help identify potential “œhot spots” in your community that may be contributing to nutrient loading downstream. With a simple, inexpensive field test ...

How successfully do rain gauges catch rainfall patterns? Do the satellites record the same patterns of data as the ground-based gauges? How many gauges are required in order to observe regional ...

Part II. Track Pollution from Space To improve air quality, it is important to know what contributes to polluting the air. Haze comes from a variety of sources. Your skies may be hazy from local ...

Summer rains have swollen rivers throughout northeastern China, including the Songhua River. Water levels peaked in Harbin on August 27 and have remained high. The Songhua River is one of many ...

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NASA Official: Kurtis Thome Webmaster: 610WebDev Curator: Nyssa Rayne Last Updated: Aug 17, 2025 ...