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

○Information

○Measurement value list : 2025/12/21(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
00:003.6south-southeast3.1
00:103.7east-southeast3.7
00:203.7south-southeast5.9
00:303.6south-southeast6.3
00:403.6south-southeast5.1
00:503.5south-southeast3.7
01:003.5southeast3.7
01:103.6south-southeast2.6
01:203.8south3.3
01:303.6south-southeast3.4
01:403.6south4.1
01:503.8south3.5
02:003.6south-southeast2.9
02:103.5south-southeast3.6
02:203.7south-southeast4.2
02:303.7south4.1
02:403.6south-southeast3.6
02:503.5south-southeast3.4
03:003.6south-southeast3.3
03:103.6south3.8
03:203.7south3.8
03:303.6south5.4
03:403.5south-southwest3.6
03:503.8west2.0
04:003.6south-southwest3.4
04:103.6south3.6
04:203.7south5.0
04:303.4south6.2
04:403.8south6.8
04:503.7south5.6
05:003.8south3.8
05:103.7south-southeast4.0
05:203.5south4.4
05:303.8south5.2
05:403.6south5.7
05:503.8south6.2
06:003.7south6.0
06:103.6south6.6
06:203.6south-southwest5.1
06:303.6south-southwest5.4
06:403.8south-southwest5.2
06:503.7south-southwest5.1
07:003.7south-southwest6.3
07:103.6south-southwest5.6
07:203.7south-southwest4.5
07:303.7south-southwest3.3
07:403.7southwest2.5
07:503.8south3.7
08:003.7south4.4
08:103.7south5.6
08:203.6south-southwest4.1
08:303.8south2.8
08:403.7south-southeast3.2
08:503.7south-southeast3.2
09:003.6south-southeast5.1
09:103.6south-southeast4.3
09:203.8south2.5
09:303.6south4.7
09:403.7south5.0
09:503.6south4.4
10:003.5south-southwest4.6
10:103.9southwest4.9
10:203.7southwest3.0
10:303.7west-southwest3.8
10:403.7west-southwest4.8
10:503.6west4.4
11:003.8west4.9
11:103.6west-southwest1.7
11:203.7west-southwest2.6
11:303.6southwest2.1
11:403.6south-southwest1.5
11:503.4west-southwest3.1
12:003.7west-southwest4.6
12:103.8west3.2
12:203.6southeast2.9
12:303.8south-southeast2.6
12:403.6south-southeast1.9
12:503.6south2.7
13:003.6south-southwest0.7
13:103.8-CALM
13:203.8west-southwest2.4
13:303.8southwest2.2
13:403.8west2.0
13:503.7west2.5
14:003.6west4.3
14:103.7west6.9
14:203.7west4.0
14:303.7west-southwest4.0
14:403.7west2.1
14:503.7west-southwest1.8
15:003.7south-southwest1.1
15:103.6west-southwest3.8
15:203.8west-southwest5.3
15:303.9west-southwest5.8
15:403.8west-southwest4.4
15:503.7west4.3
16:003.7west-southwest4.2
16:103.8west-southwest4.0
16:203.6west-southwest4.3
16:303.7west-southwest3.1
16:403.7west-southwest4.2
16:503.7west3.2
17:003.7west-southwest2.6
17:103.7west-southwest2.2
17:203.7southwest1.5
17:303.6west1.3
17:403.5west-northwest2.4
17:503.6west-northwest3.4
18:003.6west5.8
18:103.6west-northwest4.1
18:203.6west2.7
18:303.9west4.4
18:403.8west7.6
18:503.7west8.5
19:003.6west-northwest6.5
19:103.7west-southwest4.7
19:203.5west4.2
19:303.7west4.9
19:403.7west-northwest5.6
19:503.6west5.5
20:003.8west4.4
20:103.6west4.3
20:203.6west3.5
20:303.3west4.8
20:403.7west5.1
20:503.7west-southwest5.3
21:003.6west3.3
21:103.8west4.6
21:203.7west5.8
21:303.7west6.2
21:403.6west-northwest5.0
21:503.8west5.2
22:003.6west4.6
22:103.6west-northwest2.9
22:203.6west3.5
22:303.5west2.6
22:403.7west-southwest2.3
22:503.6west3.0
23:003.8west3.2
23:103.6west2.6
23:203.7west2.2
23:303.7west1.6
23:403.6west1.2
23:503.6west1.8