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

○Information

○Measurement value list ： 2025/07/13(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	southeast	1.2
00:10	3.6	south	4.2
00:20	3.6	south	3.5
00:30	3.5	south	3.0
00:40	3.6	south	1.6
00:50	3.7	south	2.4
01:00	3.6	south-southeast	3.5
01:10	3.6	south-southeast	3.3
01:20	3.7	south	3.5
01:30	3.7	south	3.3
01:40	3.7	south	4.0
01:50	3.6	south	4.5
02:00	3.5	south-southeast	4.9
02:10	3.8	south-southeast	5.0
02:20	3.4	south-southeast	4.3
02:30	3.6	south-southeast	5.0
02:40	3.6	south-southeast	4.7
02:50	3.6	south-southeast	5.3
03:00	3.6	south-southeast	5.1
03:10	3.6	south-southeast	4.8
03:20	3.5	south-southeast	3.6
03:30	3.8	south-southeast	2.5
03:40	3.6	south	2.9
03:50	3.6	south	2.7
04:00	3.6	south	2.9
04:10	3.7	south-southeast	2.6
04:20	3.5	south-southeast	1.8
04:30	3.5	south	1.6
04:40	3.7	south	0.9
04:50	3.6	south-southwest	1.8
05:00	3.7	south-southwest	1.7
05:10	3.6	south-southwest	1.2
05:20	3.6	-	CALM
05:30	3.5	west-southwest	0.8
05:40	3.5	west	0.7
05:50	3.6	-	CALM
06:00	3.6	-	CALM
06:10	3.6	south	0.9
06:20	3.6	south-southeast	0.9
06:30	3.8	southeast	1.1
06:40	3.5	southeast	0.6
06:50	3.6	southeast	0.9
07:00	3.6	southeast	1.1
07:10	3.6	east-southeast	0.6
07:20	3.5	south	0.9
07:30	3.5	east-southeast	0.8
07:40	3.6	southeast	0.7
07:50	3.6	east	0.7
08:00	3.6	east-southeast	1.9
08:10	3.6	southeast	1.8
08:20	3.6	east	2.5
08:30	3.6	south-southeast	1.5
08:40	3.7	southeast	2.1
08:50	3.6	east-southeast	2.2
09:00	3.6	east-southeast	2.3
09:10	3.7	east-southeast	2.1
09:20	3.3	east	2.6
09:30	3.6	southeast	2.5
09:40	3.5	east-southeast	2.5
09:50	3.5	east	3.0
10:00	3.4	east	3.0
10:10	3.7	east-southeast	2.2
10:20	3.5	east-southeast	2.5
10:30	3.6	east	3.3
10:40	3.6	east-southeast	3.6
10:50	3.4	east-southeast	3.1
11:00	3.6	east-southeast	3.4
11:10	3.7	east-southeast	3.6
11:20	3.5	east-southeast	2.8
11:30	3.7	east	4.7
11:40	3.5	east-southeast	3.2
11:50	3.6	east-southeast	3.4
12:00	3.5	east-southeast	3.3
12:10	3.7	east	3.4
12:20	3.5	east	3.4
12:30	3.5	east-southeast	3.3
12:40	3.5	east	2.9
12:50	3.5	east	3.3
13:00	3.7	east-southeast	2.6
13:10	3.5	southeast	2.6
13:20	3.5	east-southeast	2.1
13:30	3.6	east-southeast	2.8
13:40	3.6	east-southeast	2.5
13:50	3.7	east-southeast	2.8
14:00	3.7	east-southeast	2.8
14:10	3.6	east	2.6
14:20	3.4	-	CALM
14:30	3.6	south-southeast	2.8
14:40	3.5	south-southeast	4.4
14:50	3.6	south-southeast	4.9
15:00	3.5	southeast	3.7
15:10	3.4	south-southeast	4.2
15:20	3.7	south-southeast	4.7
15:30	3.4	south-southeast	4.7
15:40	3.5	south-southeast	4.5
15:50	3.6	south	5.6
16:00	3.6	south-southeast	5.1
16:10	3.5	south-southeast	4.3
16:20	3.6	south-southeast	3.8
16:30	3.7	south-southeast	3.7
16:40	3.6	south	6.0
16:50	3.6	south-southeast	6.7
17:00	3.6	south-southeast	7.5
17:10	3.6	south-southeast	7.0
17:20	3.6	south-southeast	7.1
17:30	3.7	south-southeast	7.4
17:40	3.6	south-southeast	7.9
17:50	3.6	south-southeast	6.7
18:00	3.4	south-southeast	8.0
18:10	3.7	south-southeast	5.4
18:20	3.6	south-southeast	6.0
18:30	3.7	south	6.5
18:40	3.6	south	6.0
18:50	3.6	south-southeast	5.9
19:00	3.5	south-southeast	4.4
19:10	3.5	south-southeast	4.6
19:20	3.6	south-southeast	5.5
19:30	3.6	south-southeast	5.2
19:40	3.5	south-southeast	5.4
19:50	3.6	south	5.0
20:00	3.5	south-southeast	5.2
20:10	3.4	south-southeast	4.8
20:20	3.4	south-southeast	5.8
20:30	3.4	south-southeast	6.0
20:40	3.4	south-southeast	5.4
20:50	3.8	south	5.6
21:00	3.7	south	7.1
21:10	3.6	south	6.9
21:20	3.4	south-southeast	6.1
21:30	3.5	south-southeast	6.2
21:40	3.6	south-southeast	5.3
21:50	3.7	south	6.3
22:00	3.6	south-southeast	6.0
22:10	3.6	south-southeast	5.5
22:20	3.6	south	6.5
22:30	3.5	south-southeast	6.1
22:40	3.8	south-southeast	6.0
22:50	3.7	south	6.1
23:00	3.7	south-southeast	4.5
23:10	3.7	south	4.7
23:20	3.7	south	5.3
23:30	3.6	south	5.7
23:40	3.6	south	5.7
23:50	3.6	south	5.0