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

○Information

○Measurement value list ： 2026/06/03(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	3.4	south	3.9
00:10	3.6	south	3.9
00:20	3.6	south	4.0
00:30	3.7	south-southeast	3.8
00:40	3.5	south	4.4
00:50	3.6	south	4.6
01:00	3.6	south	4.7
01:10	3.8	south	5.1
01:20	3.6	south	5.5
01:30	3.6	south-southwest	4.8
01:40	3.6	south	4.4
01:50	3.7	south	5.0
02:00	3.7	south	6.0
02:10	3.7	south	6.5
02:20	3.6	south	6.2
02:30	3.6	south	6.0
02:40	3.7	south	6.5
02:50	3.4	south	4.8
03:00	3.4	south	5.4
03:10	3.5	south	5.2
03:20	3.7	south	4.1
03:30	3.5	south	4.1
03:40	3.6	south	4.1
03:50	3.6	south	4.5
04:00	3.5	south-southeast	3.9
04:10	3.6	south	4.1
04:20	3.5	south	3.7
04:30	3.6	south	3.8
04:40	3.5	south	3.8
04:50	3.4	south	3.6
05:00	3.7	south	3.5
05:10	3.5	south	3.2
05:20	3.7	south	2.7
05:30	3.6	south-southeast	2.0
05:40	3.5	south-southeast	2.0
05:50	3.7	-	-
06:00	3.7	south-southeast	2.0
06:10	3.6	south-southeast	3.6
06:20	3.5	south-southeast	3.4
06:30	3.5	south-southeast	2.8
06:40	3.7	south-southeast	2.5
06:50	3.4	south-southeast	1.9
07:00	3.6	south-southeast	1.7
07:10	3.7	southeast	1.9
07:20	3.5	south-southeast	2.0
07:30	3.6	southeast	1.6
07:40	3.5	east-southeast	1.4
07:50	3.5	southeast	1.0
08:00	3.5	southeast	1.0
08:10	3.6	east	0.9
08:20	3.6	east-northeast	1.3
08:30	3.6	east	1.5
08:40	3.6	east-northeast	1.7
08:50	3.7	northeast	2.1
09:00	3.6	north-northeast	1.4
09:10	3.5	north-northeast	3.2
09:20	3.4	northeast	4.7
09:30	3.6	northeast	4.1
09:40	3.5	northeast	4.2
09:50	3.5	northeast	4.7
10:00	3.6	northeast	3.2
10:10	3.6	northeast	4.0
10:20	3.7	east-northeast	3.9
10:30	3.7	east	5.3
10:40	3.6	-	-
10:50	3.5	-	-
11:00	3.7	-	-
11:10	3.6	east-southeast	9.7
11:20	3.7	east-southeast	10.2
11:30	3.7	-	-
11:40	3.6	east	8.9
11:50	3.5	-	-
12:00	3.6	-	-
12:10	3.5	-	-
12:20	3.5	-	-
12:30	3.6	-	-
12:40	3.6	east-northeast	6.1
12:50	3.7	northeast	7.3
13:00	3.5	east-northeast	7.8
13:10	3.6	east-northeast	9.5
13:20	3.6	-	-
13:30	3.6	-	-
13:40	3.6	-	-
13:50	3.6	-	-
14:00	3.6	-	-
14:10	3.6	-	-
14:20	3.7	-	-
14:30	3.5	-	-
14:40	3.6	-	-
14:50	3.7	northeast	10.9
15:00	3.7	northeast	9.6
15:10	3.8	east-northeast	8.6
15:20	3.4	northeast	8.9
15:30	3.8	northeast	8.1
15:40	3.6	northeast	8.9
15:50	3.6	northeast	10.0
16:00	3.6	northeast	10.2
16:10	3.4	north-northeast	7.5
16:20	3.4	north-northeast	10.4
16:30	3.6	northeast	8.9
16:40	3.7	north-northeast	12.7
16:50	3.6	north-northeast	10.4
17:00	3.5	north-northeast	8.4
17:10	3.7	north-northeast	9.5
17:20	3.6	north-northeast	9.0
17:30	3.6	north-northeast	8.0
17:40	3.6	north-northeast	7.8
17:50	3.6	north-northeast	9.0
18:00	3.5	north	9.6
18:10	3.6	north	7.0
18:20	3.4	north-northeast	8.7
18:30	3.6	north-northwest	6.6
18:40	3.6	north	6.8
18:50	3.5	north-northwest	6.1
19:00	3.7	north-northwest	6.2
19:10	3.5	north	7.9
19:20	3.7	north-northwest	6.9
19:30	3.5	north-northwest	8.1
19:40	3.5	north-northwest	7.5
19:50	3.6	north-northwest	6.1
20:00	3.7	north	8.6
20:10	3.6	north	8.2
20:20	3.6	north-northwest	7.6
20:30	3.5	north-northwest	8.3
20:40	3.6	north-northwest	7.2
20:50	3.6	north	8.6
21:00	3.6	north-northwest	6.3
21:10	3.6	north	7.0
21:20	3.5	north	7.0
21:30	3.6	-	-
21:40	3.5	-	-
21:50	3.6	north-northwest	5.4
22:00	3.7	north-northwest	6.6
22:10	3.4	northwest	7.3
22:20	3.4	north-northwest	5.6
22:30	3.8	north-northwest	7.6
22:40	3.6	north-northwest	7.5
22:50	3.5	north-northwest	6.5
23:00	3.6	north-northwest	5.0
23:10	3.6	northwest	6.9
23:20	3.5	north-northwest	7.9
23:30	3.7	north-northwest	7.1
23:40	3.7	north-northwest	5.5
23:50	3.5	north-northwest	6.0