Space Weather Message Code: ALTEF3 Serial Number: 3722 Issue Time: 2026 Jul 27 1453 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu Continuation of Serial Number: 3721 Begin Time: 2026 Jul 26 1534 UTC Yesterday Maximum 2MeV Flux: 1063 pfu Max time: 2026 Jul 27 1445 UTCThank 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 no ...Continue Reading

Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA SPACE WEATHER ADVISORY OUTLOOK #26-29 2026 July 26 at 6:58 p.m. MDT (2026 July 27 0058 UTC) **** SPACE WEATHER OUTLOOK **** Summary For July 20-26 R1 (Minor) solar x-ray events were observed on 20-22 and 26 Jul. G1 (Minor) solar geomagnetic events were observed on 23 Jul. No other significant solar events were observed. Outlook For July 27-August 2 A chance for R1 (Minor) and a slight chan ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Jul 27 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 208 Issued at 0030Z on 27 Jul 2026 Report compiled from data received at SWO on 26 Jul I. Regions with Sunspots. Locations Valid at 26/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4492 N16W21 107 0310 Cko 06 06 Beta 4493 N05W73 159 0320 Ehi 1 ...Continue Reading

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