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/DSCOVR)
Number
of flares
Magnetic
(SDO)
NOAA STAR
ap avg
Pots-
dam
WDC
Daily
ap range
Planetary
(WDC)
Boulder C M X
2K 1K
20190219 70.2 18 0 0 2.5 2 0-4 01100011 00201110 274-347      
20190218 69.9 11 11 0 6.3 6 2-15 33111101 23121211 345-357      
20190217 70.1 13 0 0 3.0 3 0-9 00100022 10110122 300-348      
20190216 70.7 0 0 0 2.8 3 0-5 00100110 01211210 338-487      
20190215 70.9 0 0 0 4.0 4 2-9 21100010 31211110 355-481      
20190214 71.4 0 0 0 9.8 10 3-22 34231121 34341121 459-552      
20190213 70.4 35 23 0 12.1 12 4-22 23343312 13344312 361-485      
20190212 70.2 23 11 0 4.9 5 2-9 22011102 12112112 343-434      
20190211 69.9 11 0 0 8.5 8 4-18 11213323 01212322 347-426      
20190210 70.0 0 0 0 5.5 6 2-12 23111011 22211101 351-463      
20190209 70.3 0 0 0 8.8 9 5-15 32222232 22221230 377-505      
20190208 70.0 24 11 0 8.1 8 3-27 22211124 22221213 348-463      
20190207 70.2 11 11 0 3.9 4 0-7 21100112 11101011 351-449      
20190206 69.8 0 0 0 8.6 9 5-12 12233132 12232122 330-464      
20190205 70.6 14 0 0 4.8 5 0-15 32100111 21010210 308-397      
20190204 70.7 0 0 0 7.0 7 0-22 10101243 11112232 348-460      
20190203 71.1 0 0 0 9.6 10 4-18 33311222 34311222 459-587      
20190202 70.9 0 0 0 16.9 17 7-27 44332433 34332322 523-576      
20190201 72.1 0 0 0 16.5 16 9-22 34322434 23332322 453-563      
20190131 72.1 0 0 0 14.0 14 2-56 10113335 10213335 283-487      
20190130 73.5 11 0 12 1.3 1 0-4 00000011 00000110 278-299 2    
20190129 73.1 16 13 15 1.6 2 0-6 20001000 10011100 284-339 2    
20190128 75.8 26 17 16 1.3 1 0-4 10000000 00001100 315-374      
20190127 75.1 29 20 22 4.8 5 3-9 21211111 11121110 347-437      
20190126 76.6 49 29 26 6.5 6 3-15 22213211 12213311 402-542 1    
20190125 75.0 46 33 27 12.8 13 7-22 23433322 23444212 491-618      
20190124 72.4 39 27 19 17.5 18 5-32 33421344 23422244 492-649      
20190123 71.5 35 26 19 11.4 11 7-27 22223224 22232213 311-509      
20190122 70.7 30 24 18 2.9 3 0-6 01000122 01001111 284-332      
20190121 69.9 20 15 0 3.3 3 0-6 11000112 00000201 286-339      
20190120 69.2 0 0 0 3.8 4 2-6 21101111 21110101 309-352      

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]