Space Weather Message Code: ALTEF3 Serial Number: 3721 Issue Time: 2026 Jul 26 1535 UTC ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu Threshold Reached: 2026 Jul 26 1534 UTC Station: GOES-19 Comment: Yesterday's max: 1077 pfu Thank you for using the Product Subscription Service. If you would like to remove a product subscription or update the personal information in your account, go to the Product Subscription Site. Please do not use the from address for correspondence, as it is not ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Jul 26 0030 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Weather Prediction Center and the U.S. Air Force. # Joint USAF/NOAA Solar Region Summary SRS Number 207 Issued at 0030Z on 26 Jul 2026 Report compiled from data received at SWO on 25 Jul I. Regions with Sunspots. Locations Valid at 25/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4489 S08W92 191 0030 Hsx 05 02 Alpha 4492 N16W08 108 0250 Dko ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Jul 25 0030 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Weather Prediction Center and the U.S. Air Force. # Joint USAF/NOAA Solar Region Summary SRS Number 206 Issued at 0030Z on 25 Jul 2026 Report compiled from data received at SWO on 24 Jul I. Regions with Sunspots. Locations Valid at 24/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4489 S07W81 194 0060 Hsx 02 02 Alpha 4492 N15E06 107 0290 Hhx ...Continue Reading

A Week of Smoky Skies Across North America   July 24, 2026 Natural Events   This Week's Natural Event Images View the natural events archive A Week of Smoky Skies Across North America Brown carbon, emitted by wildland fires and tracked over the span of a week in July 2026, worsened air quality in parts of the U.S. and Canada.     NASA Earth Observatory Where every day is Earth day Visit science.nasa.gov/earth/earth-observatory Follo ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Jul 24 0030 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Weather Prediction Center and the U.S. Air Force. # Joint USAF/NOAA Solar Region Summary SRS Number 205 Issued at 0030Z on 24 Jul 2026 Report compiled from data received at SWO on 23 Jul I. Regions with Sunspots. Locations Valid at 23/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4489 S07W67 193 0050 Hsx 02 02 Alpha 4492 N16E20 106 0310 Hhx ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Jul 23 0030 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Weather Prediction Center and the U.S. Air Force. # Joint USAF/NOAA Solar Region Summary SRS Number 204 Issued at 0030Z on 23 Jul 2026 Report compiled from data received at SWO on 22 Jul I. Regions with Sunspots. Locations Valid at 22/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4489 S07W54 193 0040 Hsx 02 02 Alpha 4492 N15E32 107 0300 Hhx ...Continue Reading

A Week of Smoky Skies Across North America   July 22, 2026 Natural Events   Latest Natural Event Images View the natural events archive A Week of Smoky Skies Across North America Brown carbon, emitted by wildland fires and tracked over the span of a week in July 2026, worsened air quality in parts of the U.S. and Canada.     NASA Earth Observatory Where every day is Earth day Visit science.nasa.gov/earth/earth-observatory Follow NAS ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Jul 22 0030 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Weather Prediction Center and the U.S. Air Force. # Joint USAF/NOAA Solar Region Summary SRS Number 203 Issued at 0030Z on 22 Jul 2026 Report compiled from data received at SWO on 21 Jul I. Regions with Sunspots. Locations Valid at 21/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4489 S07W41 193 0060 Cao 03 06 Beta 4492 N16E45 107 0250 Hhx 0 ...Continue Reading

Discover the latest from NASA Earth Science   July 21, 2026 Weekly News   Latest Images of the Day View the Image of the Day archive Why Maine’s Sandy Shorelines Turn Jagged Differences in the underlying bedrock and how rivers distribute sediment make the coastlines west of Portland look unlike those northeast of the city. Shaping the Emerald City The hills and basins of Seattle, Washington, have been sculpted by glaciers and modified ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Jul 21 0030 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Weather Prediction Center and the U.S. Air Force. # Joint USAF/NOAA Solar Region Summary SRS Number 202 Issued at 0030Z on 21 Jul 2026 Report compiled from data received at SWO on 20 Jul I. Regions with Sunspots. Locations Valid at 20/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4489 S07W26 192 0120 Cso 05 07 Beta 4491 S11E08 157 0010 Bxo 0 ...Continue Reading