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

○Information

○Measurement value list ： 2025/05/19(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	3.5	north	6.0
00:10	3.7	north	5.1
00:20	3.6	north	5.1
00:30	3.5	north-northwest	4.3
00:40	3.5	north	5.4
00:50	3.6	north	4.3
01:00	3.6	north	4.3
01:10	3.7	north	5.5
01:20	3.5	north	5.4
01:30	3.6	north	5.7
01:40	3.6	north-northwest	6.8
01:50	3.6	north	5.4
02:00	3.6	north	6.2
02:10	3.6	north	6.8
02:20	3.6	north	6.5
02:30	3.6	north-northwest	5.4
02:40	3.6	north	6.2
02:50	3.6	north	5.4
03:00	3.5	north-northwest	5.2
03:10	3.6	north-northwest	5.1
03:20	3.5	north	5.4
03:30	3.7	north	4.8
03:40	3.7	north	4.3
03:50	3.9	north	3.2
04:00	3.5	north-northwest	3.7
04:10	3.5	north-northwest	3.3
04:20	3.7	north	3.5
04:30	3.6	north-northwest	3.8
04:40	3.5	north-northwest	3.7
04:50	3.8	north	3.0
05:00	3.5	north-northwest	2.9
05:10	3.7	north-northwest	2.7
05:20	3.6	north-northeast	2.5
05:30	3.5	north-northeast	2.2
05:40	3.6	north-northeast	3.2
05:50	3.6	north-northeast	4.3
06:00	3.6	north-northeast	3.3
06:10	3.4	north-northeast	4.0
06:20	3.7	north-northeast	3.0
06:30	3.6	north	4.0
06:40	3.4	north-northeast	2.9
06:50	3.5	north	2.7
07:00	3.5	north	2.3
07:10	3.7	north	2.4
07:20	3.5	north-northeast	3.5
07:30	3.6	north-northeast	3.8
07:40	3.5	north-northeast	4.3
07:50	3.6	northeast	4.1
08:00	3.4	northeast	4.0
08:10	3.5	northeast	2.6
08:20	3.7	northeast	3.2
08:30	3.6	northeast	2.9
08:40	3.6	northeast	2.1
08:50	3.7	east-northeast	2.6
09:00	3.7	east-northeast	2.7
09:10	3.5	northeast	2.1
09:20	3.7	east-northeast	2.2
09:30	3.6	northeast	1.9
09:40	3.6	northeast	1.8
09:50	3.7	northeast	2.2
10:00	3.6	east-northeast	1.6
10:10	3.5	east	2.2
10:20	3.6	east-northeast	2.4
10:30	3.5	northeast	2.2
10:40	3.6	east-northeast	1.0
10:50	3.7	east-northeast	2.3
11:00	3.5	east-northeast	2.1
11:10	3.7	east	2.3
11:20	3.6	east-northeast	3.2
11:30	3.6	east-northeast	2.9
11:40	3.5	east	1.6
11:50	3.8	east-southeast	1.0
12:00	3.6	southeast	0.5
12:10	3.5	east	0.5
12:20	3.6	southeast	1.6
12:30	3.7	east	2.3
12:40	3.5	northeast	1.8
12:50	3.6	east	1.2
13:00	3.6	east-southeast	0.8
13:10	3.7	east	1.2
13:20	3.6	east-southeast	1.0
13:30	3.6	southeast	1.2
13:40	3.6	east-southeast	1.8
13:50	3.5	east-southeast	1.5
14:00	3.6	southeast	1.3
14:10	3.4	south-southeast	1.6
14:20	3.7	south-southeast	1.9
14:30	3.6	southeast	1.6
14:40	3.7	southeast	1.8
14:50	3.6	south-southeast	1.8
15:00	3.7	southeast	1.8
15:10	3.6	south-southeast	2.3
15:20	3.6	south-southeast	2.2
15:30	3.6	southeast	2.5
15:40	3.6	south-southeast	3.0
15:50	3.5	south-southeast	2.6
16:00	3.7	south-southeast	2.9
16:10	3.6	south-southeast	2.9
16:20	3.6	south-southeast	3.5
16:30	3.6	south-southeast	3.2
16:40	3.6	south-southeast	3.2
16:50	3.6	south-southeast	3.3
17:00	3.5	south	3.2
17:10	3.8	south	2.1
17:20	3.6	south	2.3
17:30	3.7	south	2.2
17:40	3.7	south-southeast	2.5
17:50	3.5	south-southeast	3.0
18:00	3.6	south-southeast	3.8
18:10	3.6	south	3.8
18:20	3.6	south-southeast	4.0
18:30	3.6	south-southeast	4.0
18:40	3.7	south	4.1
18:50	3.6	south	4.8
19:00	3.7	south	4.4
19:10	3.6	south-southeast	4.1
19:20	3.5	south	4.8
19:30	3.6	south	5.4
19:40	3.5	south	6.5
19:50	3.6	south	5.9
20:00	3.7	south	5.1
20:10	3.4	south	4.6
20:20	3.6	south	3.3
20:30	3.6	south	3.0
20:40	3.6	south-southwest	3.8
20:50	3.6	south	3.5
21:00	3.6	south-southwest	3.5
21:10	3.6	south-southwest	3.2
21:20	3.5	south-southwest	2.1
21:30	3.7	south-southwest	1.6
21:40	3.7	south	1.8
21:50	3.7	south	1.8
22:00	3.5	south-southwest	2.1
22:10	3.5	south-southwest	1.9
22:20	3.5	south-southwest	1.5
22:30	3.6	south	1.3
22:40	3.7	south-southeast	1.9
22:50	3.5	south-southeast	1.9
23:00	3.6	south	1.1
23:10	3.6	south	1.4
23:20	3.6	south-southeast	1.6
23:30	3.5	south-southeast	2.5
23:40	3.7	south-southeast	2.5
23:50	3.4	south-southeast	2.5