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
AAE4246134334222472825171482154772115512
ABG56121512101112957913155207685231467
ABK1311494571930239158312526915122162691958579123
AIA97432356652351111148106152820108
AMS332542778564673196469292045
API2582222553223428546491138
AQU9224334777971210713126971615613
ARS
ASC2222246468107787211154134438
ASP8255643693335931463567434
BDV11224234107466710619181013101718915
BEL1233433714957810115312111161120211316
BFE11334436161298713139463117231528201523
BFO
BLC42374018432329354923425367868111769491101483591037579
BMT107212131081092547115191046515847
BNG43237121717178481521162354711159412
BOU72532471111363813113522513223325912
BOX4533559161891411212110462612131437211417
BRW3638423814135629391840355010267194256701261462091339796
BSL94532481110464620714188814292359
CBB35274317273636192124273574143563333631471585223111406596
CLF132232267747589616181214121514717
CMO141719191010342626131813446723101102305578104944670
CNB234347778333583106510108598
CSY
CTA10396825693335931344696423
CZT102332767789597415454102819519
DLR82432581010454615817147912292269
DOU1433533687565812523221416131815719
DRV464439534726512124211217111310212620745027323785
EBR12334101589107813991115101010101412714
ESK1934432612111196131310433621312519131027
EUA
EYR59109438684334547351115184119
FCC30261517342184873521171215154366292164167133705595
FRD0610
FRN524225791046310106281554132428810
FUR1122423497477810617161012101617915
GCK
GDH804116166102266572826215671462861478267136631025751
GNA32222256763358318834610934
GUA1146275109632249314532576514
GUI6223239512118561113195441373310
GZH9161213279117333610419835413853
HAD153332258775479422231521181512720
HBK63223341177356771664711177514
HER722124210104635481144512125313
HLP10333231015137910131516382311171519201121
HON31863135633259311525581344
HRB102251351196988116201691291718914
HRN913035241621646186273633984153914449455161414653129
HUA3442245675593731406147242254311046
HYB
IPM
IQA961024735131028756832342946636691156552702981386211469
IRT4612751813121113271242410476141053
IZN
KAK25993646532351041343369765
KDU8978934683224931663357334
KMH
KNY2710156251063335104156335101074
KOU23221355659101354141010101817825
LER1433432613121295101212534122322339151227
LRM436233378433611320935514948
LVV104455571276910812625171110101821815
LYC
LZH742614107994537941910465161135
MAB
MAW
MBO42231371117252010102318291067135439
MCQ66101065201513565476312412203062542126
MEA108953591717699151715474210186462512932
MGD
MID
MMB456125447744371341673491561111
NAQ411511787102316141718251822627328114921411298471
NCK92242341085878106181581181516814
NEW8353111103439332019
NGK123343261295678126302213171218201319
NUR544235919156910201612493515171630191718
NVS4381178151315754111262410878171085
OTT8545341011835510221522231433324317717
PAF33339881111119510104157872344231311
PAG
PEG
PHU916131327914854461042110465161122
PPT4222012453222427481141461313
PST
QSB8346237111912431415152386872620914
RES261535261323342045387198205290229166197204289183158605389
SBA312518211222332019252521171721421540506145484599
SFS
SHU
SIT678732912145851623628237262224281925
SJG32321355535253495681319943
SOD47783571726239136282422744416122011324760105
SPT92332475744668812104910139514
STJ643422668221117168722193419268611
SUA8223238111181671312820959141716714
TAM7223141316221875111921288369138413
TAN3333339884726841953662010411
TDC
THL28241213107282336639415936638714110283772007270883255
THY10325235111061079126201681291818916
TRW1916
TSU62223768853661041874712157514
TUC62432561011454911824136913252379
UPS72431481512889141311433516201422201419
VAL142332365596278520221723191611518
VIC7366336111347412156282815112527291816
VSS233223557655107102911101222131247
WNG13334328131167511139422714231528201624
YKC352621101613576047293738365943877628356610211944110