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

○Information

○Measurement value list ： 2025/04/26(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	3.6	north-northwest	4.8
00:10	3.8	north-northwest	4.3
00:20	3.6	north-northwest	4.9
00:30	3.6	north-northwest	4.3
00:40	3.5	north	5.4
00:50	3.7	north-northwest	4.8
01:00	3.5	north-northwest	4.8
01:10	3.7	north-northwest	4.9
01:20	3.4	north	4.8
01:30	3.7	north-northwest	4.3
01:40	3.6	north-northwest	4.6
01:50	3.6	north-northwest	5.5
02:00	3.6	north-northwest	5.1
02:10	3.6	north-northwest	5.4
02:20	3.7	north	5.2
02:30	3.7	north-northwest	4.9
02:40	3.8	north-northwest	4.4
02:50	3.6	north	4.0
03:00	3.7	north-northwest	4.6
03:10	3.6	north-northwest	3.8
03:20	3.7	north-northwest	3.5
03:30	3.6	north-northwest	4.6
03:40	3.6	north-northwest	4.4
03:50	3.6	north-northwest	4.4
04:00	3.6	north-northwest	4.6
04:10	3.6	north-northwest	4.1
04:20	3.6	north-northwest	3.5
04:30	3.7	north	2.9
04:40	3.5	north	3.5
04:50	3.7	north	3.3
05:00	3.6	north	2.1
05:10	3.6	north	3.3
05:20	3.6	north	2.5
05:30	3.6	north	2.7
05:40	3.7	north	2.9
05:50	3.6	north	3.0
06:00	3.6	north	3.0
06:10	3.5	north	2.7
06:20	3.6	north	2.1
06:30	3.6	north-northwest	2.4
06:40	3.5	north-northwest	3.7
06:50	3.6	north-northwest	2.5
07:00	3.6	north-northwest	2.7
07:10	3.6	north-northwest	3.5
07:20	3.7	north-northwest	2.7
07:30	3.5	north	3.3
07:40	3.6	north-northeast	3.0
07:50	3.5	north	2.7
08:00	3.6	north	2.9
08:10	3.7	north-northeast	3.0
08:20	3.6	northeast	2.5
08:30	3.6	east	3.5
08:40	3.5	east	2.7
08:50	3.5	east-northeast	3.3
09:00	3.6	east-northeast	3.8
09:10	3.6	east-northeast	4.0
09:20	3.6	east-northeast	4.4
09:30	3.7	east-northeast	3.5
09:40	3.6	east-northeast	4.1
09:50	3.4	east-northeast	4.0
10:00	3.6	east	3.7
10:10	3.7	east	6.2
10:20	3.6	east-southeast	4.4
10:30	3.7	east	5.2
10:40	3.6	east	5.7
10:50	3.5	east	3.8
11:00	3.5	east	5.1
11:10	3.6	east	5.7
11:20	3.7	east	5.5
11:30	3.8	east-southeast	5.1
11:40	3.6	east	5.7
11:50	3.6	east-southeast	4.6
12:00	3.6	southeast	4.9
12:10	3.6	east-southeast	5.7
12:20	3.7	east-southeast	5.2
12:30	3.6	east-southeast	5.1
12:40	3.7	east-southeast	6.3
12:50	3.7	southeast	4.9
13:00	3.8	east-southeast	6.8
13:10	3.5	southeast	5.4
13:20	3.6	southeast	5.7
13:30	3.6	southeast	4.9
13:40	3.7	southeast	4.8
13:50	3.6	southeast	6.2
14:00	3.6	southeast	6.2
14:10	3.6	southeast	5.7
14:20	3.5	southeast	6.2
14:30	3.6	southeast	5.7
14:40	3.4	south-southeast	6.0
14:50	3.5	southeast	5.5
15:00	3.5	southeast	5.7
15:10	3.6	south-southeast	5.7
15:20	3.6	south-southeast	5.9
15:30	3.5	southeast	6.2
15:40	3.7	south-southeast	5.9
15:50	3.8	southeast	5.4
16:00	3.5	south-southeast	5.5
16:10	3.7	south-southeast	4.9
16:20	3.5	south-southeast	6.2
16:30	3.6	south-southeast	6.0
16:40	3.6	south-southeast	6.8
16:50	3.5	south-southeast	5.7
17:00	3.5	south-southeast	6.2
17:10	3.6	south-southeast	6.2
17:20	3.6	south-southeast	5.1
17:30	3.6	south-southeast	6.2
17:40	3.8	south	4.1
17:50	3.6	south	2.1
18:00	3.6	south-southeast	3.3
18:10	3.5	south-southeast	2.4
18:20	3.6	southwest	1.3
18:30	3.6	west-southwest	1.0
18:40	3.5	west	1.6
18:50	3.6	west	1.6
19:00	3.6	southwest	1.6
19:10	3.6	southwest	1.8
19:20	3.6	south	1.8
19:30	3.5	east-southeast	1.3
19:40	3.6	east-southeast	2.1
19:50	3.6	east-southeast	2.4
20:00	3.5	east-southeast	2.9
20:10	3.7	east-southeast	3.3
20:20	3.7	east-southeast	3.2
20:30	3.6	east	3.8
20:40	3.6	east	3.7
20:50	3.6	east-southeast	1.8
21:00	3.5	southeast	2.5
21:10	3.7	south-southeast	2.4
21:20	3.7	south	1.9
21:30	3.6	southwest	2.1
21:40	3.4	south-southwest	2.7
21:50	3.8	south	2.9
22:00	3.7	south	3.3
22:10	3.5	south-southwest	2.5
22:20	3.6	west-southwest	2.7
22:30	3.7	west-southwest	4.0
22:40	3.6	west-southwest	4.3
22:50	3.7	west-southwest	3.8
23:00	3.5	southwest	4.0
23:10	3.5	southwest	4.3
23:20	3.6	south-southwest	4.3
23:30	3.4	south-southwest	4.6
23:40	3.5	south-southwest	4.9
23:50	3.5	south	4.4