Real time

Last 24 hours 2024202320222021202020192018201720162015201420132012201120102009200820072006200520042003200220012000199919981997199619951994199319921991199019891988198719861985198419831982198119801979197819771976197519741973197219711970 010203040506070809101112 01020304050607080910111213141516171819202122232425262728293031

Kiruna (68°N) Data from 2020-12-01. Go to Secondary magnetometer (current backup magnetometer) for data from 1990-01-01. To check K index from 1962 go to K index page. More data can be found here. K-index calculation algorithms: IH = Ingemar Häggström method FMI = Finnish Meteorological Institute method	Tormestorp (56°N) Data from 2018-09-19. Archive. Log book Tormestorp
Tormestorp magnetometer Lund pages Kiruna Secondary Magnetometer Pulsation measurements Kiruna Primary Magnetometer (Installed in February 2019) Total field measurements (gsm90 v ? (from 1997)) 3d plot magnetic field Kiruna Lycksele SGU magnetometer Contact SGU regarding Lycksele magnetometer data ACE magnetometer (data prepared by noaa.gov)

Digital realtime data

• Last hour
• http://www2.irf.se/maggraphs/rt1hour_secondary.txt gives you data for the last hour with times in hours and the three components (XYZ) in nT as preliminary deflections from the expected monthly mean.
• http://www2.irf.se/maggraphs/rt_iaga_last_hour_secondary.txt gives data in iaga format for the last hour in 1 minute resolution. Absolute values are presented based on absolute measurements made until 2024-12-10 10:50:00.
• http://www2.irf.se/maggraphs/rt_iaga_last_hour_1sec_secondary.txt gives data in iaga format for the last hour in 1 second resolution. Absolute values are presented based on absolute measurements made until 2024-12-10 10:50:00.
• http://www2.irf.se/maggraphs/rt_last_hour_1sec_primary.csv gives data in csv format for the last hour in 1 second resolution from the primary DTU (suspended) magnetometer.
• http://www2.irf.se/maggraphs/rt_iaga_last_hour_1min_primary.txt gives data in iaga format for the last hour in 1 minute resolution from the primary DTU (suspended) magnetometer.
• http://www2.irf.se/maggraphs/rt_last_hour_1min_primary.csv gives data in csv format for the last hour in 1 minute resolution from the primary DTU (suspended) magnetometer.
• Last day
• http://www2.irf.se/maggraphs/rt_secondary.txt gives ascii data for the last day in the format "yyyymmddhhmmss X Y Z" in nT as preliminary deflections from the expected monthly mean.
  
• http://www2.irf.se/maggraphs/rt_iaga_secondary.txt gives data in iaga format for the last day. Absolute values are presented based on absolute measurements made until 2024-12-10 10:50:00.
• http://www2.irf.se/maggraphs/rt_iaga_1sec_secondary.txt gives data in iaga format for the last day. Absolute values are presented based on absolute measurements made until 2024-12-10 10:50:00.
• Preliminary real time K index last three hours [06:00:00-09:00:00 UTC]: 1
  (http://www2.irf.se/maggraphs/preliminary_real_time_k_index_secondary)