Geomagnetic Activity Map - Hourly Ranges

Note: Empty cells of observatories (indicated in the leftmost column by their IAGA codes) indicate that there was insufficient data to calculate a hourly range.

Hourly range (nT) for 2004-05-06
IAGA 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
AAA
AAE2758234831231915122765433514107161415
ABG57101510141767891851010979911813811
ABK317536222850232734285954413120571125397849221225150
AIA411146121210141651177978961277111810
AMS35146951883374732223913351713
API3109111445554671121413345554
AQU468284843131064655331398201817
ARS
ASC3962353948533586119114591615
ASP484717615394479335234531065
BDV458394107571110798654151010231618
BEL547412614108912151315101267201211251316
BFE6610588141111101722181713171011251814281318
BFO
BLC29403932254837132703360622994701243546605511814612166
BMT131081372314784710655334108381112
BNG48724167206
BOU815126852298612355810471412121778
BOX465411152016151633232116122079181616161213
BRW79715381111121771201017415726925196315688902051801071145576
BSL81286107147105103263125317912779
CBB24593926332455388144682433438994439220814517511816773
CLF5711365104557758754417109242221
CMO5465344171521248154114721011924114511537473939353057
CNB7813610101431043913327233457159
CSY
CTA9109818711294491232613447773
CZT310103681612456486332381759912
DLR711969618695103536853161287511
DOU681246810677101271010667171311262321
DRV82787533772216514133141534131415614142953523435
EBR510123161711714131196121011108201910232221
ESK101016681214911111418151819191414282417373224
EUA
EYR58151010714512881623436226557208
FCC32666423268158140109123831198581603541142331391011156850
FRD81267987111058368219104181316988
FRN6131358524107512552483616771245
FUR46938410656119597644151010231818
GCK
GDH2643689137407030881002031397710940433911610768273839132
GNA31335861367546623423473599
GUA13118918684434893242262561116
GUI481133585712122554311141956142017
GZH3513111161156249643213663484
HAD69144579576711810117910201411272524
HBK58736128411491753893415105161812
HER586278767571562101152137514179
HLP558710914111013181916161214910201614241115
HON39456565337610226711054848
HRB35731041065101211597754151010231517
HRN3737817774153885214079171831047021622628689844523622
HUA475597105538536414718930743827102016
HYB
IPM
IQA18158163703849478013712617110680116267127741731191205515553
IRT16127663019191510141688893717115111411
IZN
KAK458988118834763321254451813
KDU575818812474389224234521155
KMH
KNY4459810108835864421265431814
KOU346344353575191065613239841312
LER99768910109111320202217191217252812292021
LRM2125412715565566335325935715
LVV437313513859111310127877141213221215
LYC
LZH13135962196647127553231093769
MAB
MAW
MBO471033521212191210388911121758101815
MCQ11182313242627261916202710132141096161120182817
MEA274120122612434425252524171516161215301033433723
MGD
MID
MMB451413121620711568655423766101814
NAQ35144120348955105669137494416302225214195554563190108
NCK4573849549111048663413109211515
NEW1628179187321181118464109714201119222015
NGK5684951388813151213111188191412271719
NUR494591617151515292425201523911211414161616
NVS81111915171418131316149958431210571212
OTT10189811101517771279139201516181624181511
PAF216198914188761479735438297174224
PAG
PEG
PHU471413141015773712754224894678
PPT576384863275821533645384
PST
QSB4673115111012227134912543171210221616
RES5228212037354730343284316361681289911279116141817561
SBA343321344434432435125042311932291829481644463144
SFS
SHU
SIT213022123012261111132211887891322913201522
SJG343344445342910810161887397
SOD1731221417451824282451473726204710212167339617987
SPT5912355115491027776781788212321
STJ6151168818133131561181010191723161614117
SUA3575104965151310483756161110191414
TAM489358517141369471171081688172118
TAN35486157515915132544141210513128
TDC
THL334821225441543144308944223910420595108714124627218
THY468395965111312487744151111231616
TRW456395889669854333137651313
TSU5993712657511173539341697162117
TUC51211575218851156249351510108510
UPS4944791210121220212219151991218151218811
VAL6914466104757999961111171610252423
VIC13241681810301479164536781218716201414
VSS4783543548757949109177661815
WNG6695981399101419151513141110241913321819
YKC28638028452538823614328851053557206420315546699710757