Solar and geomagnetic data

Date Measured
solar flux
2.8 GHz
Sunspot number Planetary A index K indices
(3-hour intervals)
Solar wind
speed range
(km/s)
(SOHO)
Number
of flares
Magnetic
(SDO)
NOAA STAR
ap avg
Pots-
dam
WDC
Daily
ap range
Planetary
(WDC)
Boulder C M X
2K 1K
20191022 65.6 0 0 0 3.0 3 2-5 00110110 00101210 344-356      
20191021 64.0 11 11 0 4.5 4 0-12 31121011 21121211 337-348      
20191020 65.0 0 0 0 4.4 4 3-9 11111112 12222212 337-350      
20191019 66.0 0 0 0 4.4 4 3-6 11111211 10212221 341-355      
20191018 66.1 0 0 0 5.0 5 4-7 12211112 13331211 342-358      
20191017 66.1 0 0 0 4.9 5 3-6 22221111 22222211 371-442      
20191016 66.3 0 0 0 5.0 5 2-7 12211022 22322221 347-447      
20191015 67.2 0 0 0 3.1 3 0-9 21000011 21011222 320-373      
20191014 66.2 0 0 0 4.9 5 4-7 12111221 12212311 291-356      
20191013 67.2 0 0 0 0.6 1 0-3 10000000 10001210 326-363      
20191012 68.3 22 0 0 4.0 4 2-7 22111010 22122211 347-452      
20191011 68.5 13 11 0 7.4 7 3-15 11222322 02332312 446-520      
20191010 67.5 11 0 0 12.1 12 5-32 14421312 14332312 449-518      
20191009 68.1 33 0 0 7.6 8 4-18 22232211 22242212 345-387      
20191008 67.1 0 0 0 4.5 4 3-6 21111121 21311121 349-421      
20191007 67.7 0 0 0 5.8 6 3-9 11112222 01012221 346-390      
20191006 67.4 12 0 0 4.1 4 0-7 12211100 22221210 345-449      
20191005 67.8 11 0 0 6.8 7 4-15 11122223 12122322 349-443      
20191004 68.1 0 0 0 6.3 6 3-12 11322221 12322311 350-451      
20191003 68.2 0 0 0 4.1 4 2-6 21110011 21211221 384-478      
20191002 68.3 12 11 11 6.4 6 0-15 30023112 21134212 444-515      
20191001 68.7 15 12 11 10.1 10 0-27 34321011 21134212 449-534      
20190930 67.9 15 12 0 12.1 12 5-22 33422312 34433312 369-482      
20190929 67.4 12 0 0 12.4 12 4-22 23221443 23331333 448-558      
20190928 67.3 0 0 0 23.6 24 9-39 24543344 35553334 565-723      
20190927 66.4 0 0 0 21.6 22 2-56 01223455 31223335 449-758      
20190926 67.1 0 0 0 3.0 3 0-9 21000001 21002201 346-439      
20190925 67.5 0 0 0 3.6 4 2-7 01220001 11221111 350-521      
20190924 67.1 0 0 0 11.5 12 3-22 23213431 23213422 278-513      
20190923 66.1 0 0 0 2.5 2 0-5 00010111 00011211 281-381      

This page is normally updated once a day by Jan Alvestad. Solar wind speed is preliminary. Ap and Kp values in red are based on the definitive Potsdam WDC data. Flare enhanced and erroneous solar flux measurements are replaced by other same day measurements (QC).

[Solar Terrestrial Activity Report]