Atmosphere

2024 Was the Warmest Year on Record
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2024 Was the Warmest Year on Record

A NASA analysis shows that global temperatures in 2024 were 1.28 degrees Celsius (2.30 degrees Fahrenheit) above the agency’s 20th-century baseline.

Published Jan 10, 2025

Image of the Day Atmosphere Heat Temperature Extremes

Cold and Snow Wallop the U.S.
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Cold and Snow Wallop the U.S.

The first major, widespread winter storm of 2025 delivered snow, ice, and frigid temperatures to a large swath of the country.

Published Jan 7, 2025

Image of the Day Atmosphere Severe Storms Snow and Ice Temperature Extremes

Cyclone-Damaged Mayotte
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Cyclone-Damaged Mayotte

Lush green hillsides turned brown after Cyclone Chido hit the islands in December 2024.

Published Jan 6, 2025

Image of the Day Atmosphere Land Water Severe Storms

Magnificent Moon
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Magnificent Moon

In November 2024, an astronaut captured a striking photo of the Moon as it lingered just above Earth’s horizon.

Published Jan 1, 2025

Image of the Day Atmosphere

Cloud Fraction
Global Maps

Cloud Fraction

In addition to making rain and snow, clouds can have a warming or cooling influence depending on their altitude, type, and when they form. These maps show what fraction of an area was cloudy each month.

Feb 2000 — Dec 2024

Atmosphere