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 2004-04-28
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
AAE4246134334222372825161482254772115512
ABG66109101099757914155176675201466
ABK76331744210763841487491232271482271302594
AIA654311455433578912106132421910
AMS3222141076543462139448181733
API2863332552223428446581047
AQU621333367233453874649938
ARS
ASC11211343578559715104385447
ASP212242355221242732233344
BDV41131114967286513106635725
BEL625323798886797211178618958
BFE5453246910963911103116813113412919
BFO
BLC33202215533529344725474323814824062256843931310187150
BMT786466745222453962337432
BNG422361517141466101519152274710159412
BOU3121113441222541952811151475
BOX44313536626396517944619458
BRW11182313861511137814181315825071513354554734
BSL534213676233618121621879192247
CBB4637389344591819183445409887173259571823442381496958
CLF721231338647475131210958838
CMO477424799106891010511731223957572921
CNB3116314221112212232561045
CSY
CTA422353546232362833455449
CZT411112155221232313243326
DLR53432369834378722859102220510
DOU6324334676410786161498712738
DRV1171221018376595625332123171625202234558069763854135
EBR124345878764710661110111281211815
ESK612322266118447922129115101049
EUA
EYR645432344332332353455634
FCC232298252445593517181217162134241532118157503848
FRD027
FRN314212355222442135129892259
FUR51132125855367412106636726
GCK
GDH76511113121467516231503287117672561798619052102206231
GNA391047484462121259599171267
GUA1035364109522248313532576414
GUI4222127386538761242487428
GZH39672367623348314734311644
HAD81132336791043991714111491010312
HBK43334551410894956653458435
HER512123667121053104142341011426
HLP42422397812681371324147910207514
HON6175213553234626646813435
HRB5114222957838731396647835
HRN4624692620176941452243265827251134822416654214989104
HUA3442245675593731406047242253311046
HYB
IPM
IQA1268234281416204551323022244549788148188146895495109
IRT558413975355351852225413
IZN
KAK35893436643361141373359968
KDU5577634572224931463458332
KMH
KNY53714935873335104147335111077
KOU2222125454511113359782021524
LER62522123696335821433132113136
LRM5516516361083361241710485105513
LVV76455771188669610189610518878
LYC
LZH579451296723256312735410653
MAB
MAW
MBO3222137111624189102218281077136439
MCQ1199856171310453545332419112168282733
MEA118753351074685610151710103538291630
MGD
MID
MMB63372634433247311523495810
NAQ67172119131314282111181719253063611886841496810167
NCK5113112765627631285536726
NEW285106131418109
NGK41221224786389616116625714
NUR775234687432137826137412298713
NVS3445874412853455433548685
OTT432221586333768191562126289812
PAF4112126221221101142214853
PAG
PEG
PHU697924712965461041910366161144
PPT234311245222342768971751213
PST
QSB423415577475456125344131147
RES332133221213149261432275192641773951372612611611106240
SBA35302622119153116291513171415271926764732412867
SFS
SHU
SIT37532245624291251585141015191012
SJG4222124442344337432813834
SOD5821922346322413483782120143144773345
SPT6112135339534435668511829
STJ1564443121210713613168242293224339617
SUA412211597529324954569745
TAM52231381116149691619237357117311
TAN22131228523134311323311636
TDC
THL28387121192926292185126211349241108118951155733162218
THY51141221065637631295636826
TRW1111
TSU21111554111332326342346325
TUC413213366232532224238141758
UPS65521246976310692113655245512
VAL1122334378119646121610111682018517
VIC52441248723376410912141714181511
VSS122122334754568171269149835
WNG8333227788827148251391292712917
YKC2224129178656328141817203514533021333667512630