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 2004-05-04
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
AAE46104929344217891621103324457977
ABG12108717818111410861368766869878
ABK1282252485647102949232634254331252143414138136184105
AIA6111116201481485471049247731227107
AMS108479723413310643931129411548
API262420531035343483224554766
AQU351371281295997105462853811710
ARS
ASC3695614105598121071172729952
ASP2512129913141065491062163321097
BDV441481211137461081179357641315612
BEL661610121216129510139108396751822816
BFE862010171214616881381673109862127818
BFO
BLC263857366466507859324575431441646632494772106152125103
BMT5813101814141815777810732855510816
BNG4711612392413336161445145551286
BOU6141516914787547463276885141111
BOX127201391014122581818101475111017918141616
BRW483017511673712593161571438637473921436565687359421849893
BSL5121513131361156371361310887781288
CBB10029445535644060402229742199817046939819712423916880
CLF7512915912445879783710641014711
CMO39361357562562741293862494831132109102322242021495484
CNB1312915151518956591342232459816
CSY
CTA6121614104151294648104215233756
CZT924713101741634244821286191365
DLR714131311134965454524387771277
DOU85151115101455689119102911841120911
DRV285453452923414713111314437613111713243230384492
EBR56128198148108101498411813914714710
ESK1271818239147111112991614615141471637915
EUA
EYR69131112718227494516534344161367
FCC513758119209937214965586248263974221927274947906979
FRD61217112113111357314141014133867812119
FRN511111581283544628285833517107
FUR541381311137461071079258631214612
GCK
GDH292134256935713312712799938945594273783567621384755
GNA2616161111121866448116319534753
GUA1313172621111578253663115124121412
GUI371188564101521157838818848976
GZH9159575141011533656116343635
HAD9512111881147766611136910851021612
HBK558412689141187134139235561467
HER447395491315881741410235451457
HLP6619111291571461015812941091062525917
HON442121631135253382136733654
HRB3515811111210491071277456641315812
HRN30374655161856035597097112516838322261156164222512957
HUA4919135761255516192720620267143412117
HYB
IPM
IQA53374722236759649981291097862425540487776781281879484
IRT88171119221733197841013734910101710128
IZN
KAK12127117313811365574125132553
KDU9141220941598453875216222873
KMH
KNY1314867312912364685226133666
KOU3713964311466931063178917464
LER106181721871012101010101810617111281841712
LRM4415121241514115548127218445964
LVV4616129815118912101167675761516813
LYC
LZH471191381221137557683285567410
MAB
MAW
MBO37138834171512121097911816349885
MCQ7928351622923217271713621776793841725183016
MEA142462354412115732222720121526101911131612183945
MGD
MID
MMB81388962113144757115337253778
NAQ38621311441661039562493325272532201728514126571813361
NCK34147111011848971166347641113711
NEW11183420141518159651167571571195181926
NGK551791511157106910101110399841923716
NUR156201114913727815171017841410121016161417
NVS272316951232117131010755512116813510
OTT10122312291316165751391212841011118191912
PAF22771415102881561175610221020828171018
PAG
PEG
PHU131912996181315633868227454736
PPT231613431215332282135646959
PST
QSB48191211492691165161147356511121012
RES322164633430371935612337352810685981315678321099680
SBA141356433735996330262029334063232738294216165740
SFS
SHU
SIT1525461032174461610613592231311111111182038
SJG37109842935114976386314454
SOD9783624232611173818252921312215182928332863224288
SPT56129136875791284347133451179
STJ11815179910881091351212127121281019138
SUA4916910912165161071545536641613913
TAM27138124425161073131310139103461088
TAN5574966914107611312422448856
TDC
THL2212533234317028606237656575721159180315554384482
THY4516812111311511961367458741314912
TRW510118972125455103333633111275
TSU569512371011115512687336551586
TUC41512158124664463643354831377
UPS1051991371262391114917831491181626916
VAL941111167947864511128101084821610
VIC10182717151413875494547148776161622
VSS381176341234911834107113381074
WNG651911171116814781281484129952330918
YKC402411971342213913185128435856157178372821145217979181