Radiation Dose measured at exhaust stack monitor of Fukushima Daiichi Nuclear Power Station

○Information

○Measurement value list : 2026/02/20(CSV Download)

Stack Unit:cps Wind Velocity Unit:m/s

※"-": the wind velocity is below 0.5m/s

TimeUnit 5,6 joint stackWind
Direction
Wind
Velocity
00:003.8west-northwest7.7
00:103.7northwest4.7
00:203.8northwest1.9
00:303.7north0.6
00:403.8northwest2.1
00:503.6west-northwest4.5
01:003.7west-northwest5.4
01:103.6northwest7.3
01:203.7west-northwest4.2
01:303.8northwest1.5
01:403.7northwest3.8
01:503.7west-northwest4.6
02:003.8northwest7.0
02:103.8west-northwest7.5
02:203.7west-northwest4.9
02:303.8west-northwest6.4
02:403.7west-northwest6.2
02:503.6west-northwest6.7
03:003.7northwest6.3
03:103.7west-northwest6.8
03:203.9west-northwest5.8
03:303.8west-northwest4.1
03:403.7northwest3.4
03:503.6west-northwest4.2
04:003.6west-northwest3.4
04:103.9west-northwest2.5
04:203.6west-northwest1.3
04:303.9west-southwest0.9
04:403.8southwest1.5
04:503.7west-southwest1.7
05:003.7west-southwest1.4
05:103.7west-southwest2.1
05:203.5west-southwest2.5
05:303.7west-southwest2.9
05:403.6west3.1
05:503.6west-northwest3.0
06:003.7west-northwest2.4
06:103.7west2.6
06:203.8west2.3
06:303.6west2.2
06:403.8west-northwest2.6
06:503.7west3.3
07:003.6west3.4
07:103.8west2.9
07:203.7west-southwest2.2
07:303.8west-southwest1.5
07:403.8west-southwest1.8
07:503.7west-northwest0.9
08:003.7west0.8
08:103.7southwest1.1
08:203.7-CALM
08:303.8-CALM
08:403.8-CALM
08:503.7south0.8
09:003.6south0.7
09:103.6northwest0.9
09:203.6north1.1
09:303.6east-northeast0.8
09:403.7southeast2.8
09:503.7east-southeast2.9
10:003.6east3.0
10:103.7east2.4
10:203.8east3.1
10:303.7east3.6
10:403.8east3.6
10:503.7east-northeast4.0
11:003.8east3.8
11:103.8east-southeast4.6
11:203.7southeast3.9
11:303.6east-southeast3.6
11:403.7east3.7
11:503.5east3.6
12:003.6east-southeast3.1
12:103.8east-southeast3.8
12:203.6east-southeast4.3
12:303.7east-southeast3.4
12:403.8east-southeast3.9
12:503.4east-southeast5.0
13:003.7east-southeast4.1
13:103.6east-southeast4.2
13:203.8southeast3.9
13:303.7east-southeast4.3
13:403.8southeast4.2
13:503.7east-southeast4.2
14:003.6southeast4.1
14:103.8southeast4.4
14:203.8east-southeast4.4
14:303.8east-southeast4.0
14:403.6east-southeast4.9
14:503.6east-southeast4.4
15:003.7southeast3.7
15:103.7east-southeast4.2
15:203.7east-southeast4.3
15:303.8east-southeast4.3
15:403.7east-southeast4.4
15:503.7east-southeast4.3
16:003.8east-southeast4.4
16:103.7southeast4.1
16:203.7east-southeast4.5
16:303.7southeast4.6
16:403.7southeast3.9
16:503.6south-southeast4.1
17:003.7south-southeast3.8
17:103.8south-southeast3.6
17:203.7south-southeast3.7
17:303.7southeast3.8
17:403.8southeast3.6
17:503.6southeast3.9
18:003.7south-southeast4.5
18:103.5southeast3.8
18:203.7southeast3.7
18:303.7south2.7
18:403.7south2.7
18:503.5southwest1.7
19:003.8southwest1.4
19:103.7southwest2.0
19:203.6southwest2.1
19:303.6west-southwest1.8
19:403.7west-southwest1.6
19:503.8west-northwest1.9
20:003.6west-southwest1.6
20:103.6west-southwest2.3
20:203.8west-southwest2.1
20:303.7southwest3.1
20:403.6south-southwest2.7
20:503.7southwest1.7
21:003.8southwest1.7
21:103.7southwest1.2
21:203.7south-southwest1.3
21:303.7southwest1.4
21:403.7west-southwest1.9
21:503.8west-southwest2.2
22:003.8west-southwest2.6
22:103.8west-southwest1.8
22:203.6southwest1.7
22:303.9west-southwest1.5
22:403.8west1.5
22:503.6north-northeast0.8
23:003.7northeast1.4
23:103.7north-northeast0.6
23:203.7north-northeast0.9
23:303.6-CALM
23:403.7-CALM
23:503.6-CALM