Suomi NPP Stories

Editor’s note: This article has been updated to clarify the ranking of the 2023 ozone hole. It is the 12th largest single-day hole on record, and the 16th largest when averaged from Sept. 7 to Oct. 13. The 2023 Antarctic…

Amid a record heat wave in July, the Phoenix area saw surfaces such as roads and buildings stay hot long after sunset, as documented in NASA-NOAA satellite data that was used to produce this series of maps.

The annual Antarctic ozone hole reached an average area of 8.9 million square miles (23.2 million square kilometers) between Sept. 7 and Oct. 13, 2022. This depleted area of the ozone layer over the South Pole was slightly smaller than last…