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 2004-04-17
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
AAE8481211415126920312718581224133610113
ABG684712141061755812104546117410115
ABK1653437316651181682232292134401119265780105106140128
AIA13911831201452584814173129564478
AMS9833154676589443445746762
API31315165262235438533629310134
AQU124442824881510512542593611105
ARS
ASC5332964228101043589131524794
ASP1185111871225656101782676741512
BDV1455439375710757744711481397
BEL12676510565711136610661116771467
BFE169777125711111317138158914197102187
BFO
BLC3840371949943255183852582910062895662694357452012639
BMT565413231341398746982613466108
BNG932351061716781111138734143510114
BOU669622261036385851246736123136
BOX687101312310101322211011121081018128594
BRW517012312559749139518231183633412323192124212100116443725
BSL679526101244274166614117117134105
CBB5144382056761593521333363327491738586942073313597
CLF175543104365910475457134911126
CMO6574986576694520503862391081741351424827272222223719
CNB106761557335766202010448610444
CSY
CTA59617206522465513167247549158
CZT54541412712161148634344587936
DLR55742515113528688510105124124104
DOU17775411566511105865781351013137
DRV8517213898598318815121510137433232235412755208751
EBR154551218913149818612811891314811135
ESK211010810186311814121010151213172271512149
EUA
EYR1513161020713376106519139459616775
FCC33505325233433010378948862393944322322281548632212152
FRD671072761252285148416158910185106
FRN6664222143727654824554103105
FUR14554310356712757645711471396
GCK
GDH538832213027252123817338375537536288592758293254
GNA3476862125546713827755282
GUA127111510353545447931473512119
GUI11443663451086337105811358124
GZH7118363339654336514843387
HAD19675413528576459610111751110127
HBK9634512324456794344124712104
HER8434397439136372233103512104
HLP1285661047891516771188131671019106
HON36695462335538544292144134
HRB1355538464119767654811471396
HRN6253436940874243433310680584669215047434072313315
HUA375424411536372133272716417010208125
HYB
IPM
IQA3554372616723611724515189464735313110614710592522462101
IRT7810146163065710876510471467373
IZN
KAK4610636478355458613845358
KDU9851521622145457125156546145
KMH
KNY2575494511556449714946448
KOU353317482171214178695101977383
LER15968212396129139714191112161561512810
LRM554610436666578148269642116
LVV12566696547101167884813661386
LYC
LZH34456221821199645762612463115
MAB
MAW
MBO85438653152221891715103514356104
MCQ162649415131291218211712491051061165025178179125
MEA20363216443091018171372018191191114920113718
MGD
MID
MMB48168554384765512112411663614
NAQ4992401072392001352021291926121334434872404373414699
NCK12554374541010767544710471286
NEW1214179383665949712466611951152211
NGK1676651147661112468761015691777
NUR8851013153131313191912141698121713812105
NVS74821181486714107677641276682
OTT9911944229444101015997212312142761511
PAF23769207411961195667851014122663
PAG
PEG
PHU81413554261067554761511553128
PPT7635663232432835884114378
PST
QSB12756474613197511197455135610136
RES245749355162401325343244464433438012311538164508746
SBA346666325860521026132433175329325566602236124731
SFS
SHU
SIT16282812242613624799177888111198101910
SJG23421649211399116344151014373
SOD1032220214933111610223127182827111120356076576559
SPT15554372275617896436115710134
STJ59871210333711161176152023159266104
SUA
TAM1154355114201947911131345112510124
TAN
TDC
THL163539212132271717362029437343604162822474292527
THY13655484631311779654711471396
TRW4585237124144678931341133488
TSU11544712234648795264124612115
TUC55742019836276531046484102115
UPS974810134911141415101316791115101020136
VAL1856451052658844108911164118135
VIC121214732316411377114556115474178
VSS55531658227812131061110192333596
WNG17876715581010111587128813187111988
YKC518263911831711252920388454776125886350232315363211839