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

○Information

○Measurement value list : 2026/07/31(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
00:003.6-CALM
00:103.5northeast1.8
00:203.6north-northeast2.0
00:303.5northwest1.9
00:403.4west2.1
00:503.6west-northwest2.2
01:003.6northwest2.4
01:103.7northwest1.4
01:203.3west0.6
01:303.6south-southwest0.6
01:403.6south0.9
01:503.7south-southwest0.9
02:003.6southwest1.0
02:103.7west-southwest2.6
02:203.7west-southwest2.6
02:303.6west-southwest3.5
02:403.4west-southwest4.5
02:503.6west-southwest3.9
03:003.7west-southwest2.5
03:103.5west-southwest1.8
03:203.5west1.4
03:303.5north-northwest1.1
03:403.6northwest2.5
03:503.9northwest3.2
04:003.7northwest3.8
04:103.5northwest4.2
04:203.6northwest3.9
04:303.6northwest3.2
04:403.6west-northwest2.5
04:503.5northwest3.7
05:003.6northwest3.0
05:103.4north-northwest2.0
05:203.7north-northwest2.4
05:303.6north-northwest1.9
05:403.5northwest3.3
05:503.6northwest3.9
06:003.6northwest3.2
06:103.6northwest3.2
06:203.6northwest3.4
06:303.4north-northwest3.6
06:403.5north-northwest3.1
06:503.7north-northwest3.2
07:003.7north-northwest3.1
07:103.4north-northwest2.8
07:203.6north-northwest1.7
07:303.7north0.8
07:403.5north0.7
07:503.4-CALM
08:003.6north0.9
08:103.7-CALM
08:203.5west1.5
08:303.7west2.3
08:403.5west-northwest2.0
08:503.6west-northwest2.1
09:003.5northwest2.6
09:103.5northeast2.6
09:203.5north-northeast1.5
09:303.6northeast2.0
09:403.5northeast0.9
09:503.6west-northwest0.8
10:003.6west1.2
10:103.5east-northeast2.0
10:203.6east1.7
10:303.6south-southeast1.7
10:403.5south1.6
10:503.6southeast2.1
11:003.5south-southeast1.7
11:103.5south-southeast2.3
11:203.6south-southeast2.4
11:303.7southeast2.3
11:403.5east2.5
11:503.5northeast0.8
12:003.4northeast1.1
12:103.5north0.9
12:203.6north-northeast1.4
12:303.6east-northeast2.1
12:403.7northeast2.3
12:503.5east-northeast2.4
13:003.6east2.8
13:103.6east-southeast2.3
13:203.6southeast1.5
13:303.5east-southeast2.5
13:403.5southeast2.1
13:503.6east-southeast3.0
14:003.6east-southeast3.5
14:103.5southeast2.3
14:203.5east-southeast3.2
14:303.6east-southeast2.7
14:403.5southeast3.0
14:503.4east-southeast2.5
15:003.6southeast1.7
15:103.5southeast1.9
15:203.6southeast1.6
15:303.6southeast1.4
15:403.5east-southeast1.9
15:503.6east2.7
16:003.6east2.0
16:103.7southeast2.5
16:203.4southeast2.9
16:303.4southeast2.4
16:403.4south-southeast2.5
16:503.6south3.5
17:003.8south-southeast3.8
17:103.6south4.0
17:203.3south4.0
17:303.5south3.1
17:403.5south2.9
17:503.6south-southeast2.2
18:003.6south-southeast2.7
18:103.6south-southeast4.2
18:203.5south-southeast4.0
18:303.4south-southeast3.6
18:403.6south-southeast4.8
18:503.6south-southeast5.4
19:003.6south6.1
19:103.7south3.4
19:203.6south-southeast4.4
19:303.6south-southeast3.6
19:403.6southwest1.5
19:503.5south-southeast3.7
20:003.5south-southeast5.2
20:103.4south-southeast3.6
20:203.5southeast5.4
20:303.6southeast5.9
20:403.5south-southeast5.7
20:503.5south-southeast6.4
21:003.5--
21:103.5--
21:203.6--
21:303.5northeast5.1
21:403.6east-northeast3.9
21:503.5--
22:003.6--
22:103.7--
22:203.6east-southeast5.0
22:303.5east-southeast5.8
22:403.5southeast4.2
22:503.6southeast5.4
23:003.6southeast5.4
23:103.4southeast4.8
23:203.5southeast4.9
23:303.5south-southeast5.2
23:403.6south5.5
23:503.6south5.7