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

○Information

○Measurement value list ： 2026/06/15(CSV Download)

Stack Unit：cps　Wind Velocity Unit：m/s

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

Time	Unit 5,6 joint stack	Wind Direction	Wind Velocity
00:00	3.7	south	5.7
00:10	3.5	south	5.9
00:20	3.8	south-southeast	5.1
00:30	3.6	south	4.9
00:40	3.6	south	5.1
00:50	3.6	south	4.9
01:00	3.6	south	5.1
01:10	3.6	south-southeast	4.2
01:20	3.6	south	4.6
01:30	3.6	south-southeast	4.6
01:40	3.6	south-southeast	4.4
01:50	3.6	south-southeast	4.3
02:00	3.5	south-southeast	5.3
02:10	3.6	south	5.0
02:20	3.5	south	4.6
02:30	3.6	south	4.7
02:40	3.5	south-southeast	5.2
02:50	3.5	south	6.0
03:00	3.5	south-southeast	4.7
03:10	3.6	south	5.2
03:20	3.6	south-southeast	4.9
03:30	3.6	south-southeast	5.6
03:40	3.5	south-southeast	5.5
03:50	3.5	south-southeast	4.9
04:00	3.5	south	5.5
04:10	3.5	south	6.4
04:20	3.5	south	5.8
04:30	3.8	south	5.9
04:40	3.6	south-southeast	5.8
04:50	3.6	south	6.7
05:00	3.6	south	6.6
05:10	3.6	south-southeast	5.3
05:20	3.5	south	5.5
05:30	3.6	south	5.5
05:40	3.6	south	7.0
05:50	3.5	south	6.6
06:00	3.6	south	6.4
06:10	3.6	south	6.2
06:20	3.5	south	5.6
06:30	3.6	south	6.1
06:40	3.6	south	5.5
06:50	3.7	south	5.2
07:00	3.7	south	6.3
07:10	3.5	south-southwest	6.6
07:20	3.5	south-southwest	6.2
07:30	3.4	south-southwest	6.3
07:40	3.5	south-southwest	6.2
07:50	3.8	south-southwest	5.4
08:00	3.5	south-southwest	5.5
08:10	3.4	south-southwest	5.2
08:20	3.7	south-southwest	5.1
08:30	3.7	south-southwest	5.1
08:40	3.5	south-southwest	5.0
08:50	3.5	south-southwest	4.7
09:00	3.7	south	4.9
09:10	3.6	south	4.6
09:20	3.4	south	4.5
09:30	3.5	south	4.4
09:40	3.6	south	3.0
09:50	3.6	south	3.0
10:00	3.5	south-southeast	3.0
10:10	3.6	south-southeast	4.0
10:20	3.6	south-southeast	4.1
10:30	3.5	southeast	4.3
10:40	3.6	south-southeast	4.7
10:50	3.5	southeast	4.9
11:00	3.7	southeast	3.3
11:10	3.6	south-southeast	3.2
11:20	3.4	south-southeast	2.5
11:30	3.7	south-southeast	3.3
11:40	3.6	south-southeast	2.7
11:50	3.6	south-southeast	3.4
12:00	3.6	south-southeast	3.9
12:10	3.7	south-southeast	2.8
12:20	3.5	south-southeast	3.0
12:30	3.5	east-southeast	4.3
12:40	3.7	southeast	3.8
12:50	3.6	southeast	2.5
13:00	3.7	southeast	1.9
13:10	3.6	southeast	2.2
13:20	3.7	east	2.9
13:30	3.5	east-southeast	2.2
13:40	3.6	south-southeast	2.1
13:50	3.5	south	0.9
14:00	3.6	south	1.4
14:10	3.6	south-southeast	2.0
14:20	3.6	south-southeast	1.7
14:30	3.4	southeast	1.5
14:40	3.4	east	1.5
14:50	3.4	north-northeast	0.6
15:00	3.4	east-northeast	1.4
15:10	3.6	northeast	1.5
15:20	3.6	north-northeast	1.6
15:30	3.6	north-northeast	1.8
15:40	3.6	north-northwest	1.0
15:50	3.6	north-northeast	2.4
16:00	3.7	north-northeast	2.4
16:10	3.7	north-northwest	1.8
16:20	3.7	northeast	1.3
16:30	3.5	north-northeast	2.1
16:40	3.6	north	2.2
16:50	3.4	north-northeast	3.1
17:00	3.3	north-northeast	2.6
17:10	3.6	north-northeast	3.2
17:20	3.4	north-northeast	2.9
17:30	3.6	north-northeast	3.3
17:40	3.7	north-northeast	2.5
17:50	3.6	north-northeast	3.0
18:00	3.6	north	3.1
18:10	3.6	north-northeast	3.7
18:20	3.5	north-northwest	3.6
18:30	3.5	north	3.5
18:40	3.7	north	3.8
18:50	3.5	north	3.2
19:00	3.6	north	2.9
19:10	3.5	north	3.1
19:20	3.5	north-northeast	3.1
19:30	3.4	north-northeast	3.4
19:40	3.8	north	3.8
19:50	3.5	north	3.2
20:00	3.5	north-northeast	3.1
20:10	3.7	north	2.9
20:20	3.5	north	3.1
20:30	3.5	north-northwest	3.1
20:40	3.6	north-northwest	3.4
20:50	3.4	north-northwest	3.8
21:00	3.5	north-northwest	3.3
21:10	3.6	north-northwest	3.5
21:20	3.6	north-northwest	3.7
21:30	3.6	north-northwest	3.8
21:40	3.6	northwest	3.8
21:50	3.4	northwest	3.7
22:00	3.7	north-northwest	3.7
22:10	3.7	northwest	3.5
22:20	3.6	northwest	4.0
22:30	3.5	northwest	4.3
22:40	3.5	northwest	3.7
22:50	3.5	northwest	3.7
23:00	3.5	northwest	4.3
23:10	3.6	west-northwest	4.8
23:20	3.5	west-northwest	4.9
23:30	3.6	west-northwest	4.6
23:40	3.5	west-northwest	4.7
23:50	3.6	west-northwest	4.8