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

○Information

○Measurement value list ： 2025/05/17(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	south	3.2
00:10	3.6	south	4.1
00:20	3.5	south	4.0
00:30	3.5	south-southeast	4.0
00:40	3.7	south	3.8
00:50	3.7	south-southeast	4.1
01:00	3.6	south-southeast	4.6
01:10	3.6	south-southeast	4.3
01:20	3.4	south	4.4
01:30	3.6	south	4.0
01:40	3.7	south	4.3
01:50	3.6	south	4.0
02:00	3.8	south	4.6
02:10	3.6	south	5.7
02:20	3.6	south	4.0
02:30	3.6	south	3.8
02:40	3.6	south	3.7
02:50	3.7	south-southeast	3.5
03:00	3.6	south-southeast	3.7
03:10	3.6	south-southeast	4.0
03:20	3.5	south	4.3
03:30	3.6	south	3.2
03:40	3.5	south	2.9
03:50	3.6	south	1.5
04:00	3.6	southwest	1.8
04:10	3.6	south-southwest	1.5
04:20	3.5	south-southwest	1.5
04:30	3.7	south	1.3
04:40	3.4	south-southeast	1.8
04:50	3.6	south	1.5
05:00	3.5	south	1.0
05:10	3.6	south	1.8
05:20	3.3	south-southwest	2.7
05:30	3.6	south	2.4
05:40	3.6	south-southeast	3.0
05:50	3.5	south-southeast	4.3
06:00	3.6	south-southeast	4.8
06:10	3.6	south-southeast	5.1
06:20	3.6	south	4.3
06:30	3.6	south	3.7
06:40	3.6	south-southeast	3.5
06:50	3.6	south	3.2
07:00	3.5	south	4.6
07:10	3.5	south	6.2
07:20	3.5	south	6.5
07:30	3.5	south-southeast	5.2
07:40	3.6	south-southeast	4.1
07:50	3.5	south-southeast	2.9
08:00	3.7	south-southeast	4.4
08:10	3.7	south-southeast	4.4
08:20	3.6	south-southeast	4.3
08:30	3.6	south-southeast	4.5
08:40	3.6	south-southeast	4.3
08:50	3.6	south-southeast	4.8
09:00	3.5	south-southeast	5.9
09:10	3.6	south-southeast	6.2
09:20	3.5	south-southeast	5.9
09:30	3.9	south-southeast	5.5
09:40	3.8	south-southeast	6.8
09:50	3.6	south-southeast	7.0
10:00	3.7	south-southeast	5.9
10:10	3.5	south-southeast	5.2
10:20	3.5	south-southeast	5.2
10:30	3.6	south-southeast	6.2
10:40	3.6	south-southeast	6.8
10:50	3.7	south-southeast	6.6
11:00	3.7	south-southeast	6.8
11:10	3.7	south-southeast	5.9
11:20	3.4	south-southeast	5.4
11:30	3.7	south-southeast	5.5
11:40	3.5	south-southeast	5.1
11:50	3.5	south-southeast	6.2
12:00	3.8	south-southeast	6.5
12:10	3.7	southeast	6.5
12:20	3.5	southeast	7.6
12:30	3.7	southeast	7.3
12:40	3.7	southeast	6.8
12:50	3.5	southeast	9.0
13:00	3.6	southeast	7.9
13:10	3.6	south-southeast	7.7
13:20	3.7	south-southeast	8.1
13:30	3.7	south-southeast	7.0
13:40	3.7	south-southeast	7.6
13:50	3.5	south	7.0
14:00	3.7	south-southeast	7.7
14:10	3.5	south	6.5
14:20	3.7	south	7.3
14:30	3.8	south	7.9
14:40	3.6	south	6.2
14:50	3.6	south-southeast	6.8
15:00	3.6	south	6.5
15:10	3.6	south-southeast	7.3
15:20	3.5	south-southeast	7.7
15:30	3.6	south-southeast	7.3
15:40	3.5	south-southeast	5.7
15:50	3.6	south	6.8
16:00	3.5	south-southeast	7.0
16:10	3.8	south-southeast	7.1
16:20	3.6	south-southeast	8.2
16:30	3.8	south-southeast	8.5
16:40	3.7	south-southeast	8.9
16:50	3.5	south-southeast	8.4
17:00	3.7	south	9.8
17:10	3.6	south-southeast	7.6
17:20	3.7	south-southeast	8.1
17:30	3.6	south-southeast	8.2
17:40	3.5	south-southeast	7.6
17:50	3.6	south-southeast	6.2
18:00	3.6	south-southeast	5.2
18:10	3.6	south	4.8
18:20	3.6	south	4.5
18:30	3.7	south	4.4
18:40	3.7	south	3.5
18:50	3.5	south	1.9
19:00	3.6	south-southeast	2.1
19:10	3.7	southeast	2.1
19:20	3.7	east-southeast	2.5
19:30	3.7	east-southeast	3.5
19:40	3.7	southeast	4.5
19:50	3.7	southeast	4.1
20:00	3.6	southeast	5.1
20:10	3.7	southeast	5.4
20:20	3.6	southeast	5.2
20:30	3.7	southeast	3.7
20:40	3.5	southeast	4.1
20:50	3.7	south-southeast	5.1
21:00	3.6	south-southeast	4.9
21:10	3.6	south-southeast	4.9
21:20	3.6	south-southeast	4.4
21:30	3.5	south-southeast	4.0
21:40	3.7	south-southeast	4.1
21:50	3.6	south-southeast	3.7
22:00	3.6	south-southeast	3.2
22:10	3.7	south-southeast	1.9
22:20	3.6	south-southeast	2.1
22:30	3.5	south-southwest	0.7
22:40	3.7	-	CALM
22:50	3.5	northwest	0.7
23:00	3.7	west-northwest	0.8
23:10	3.7	northwest	0.5
23:20	3.7	west-northwest	0.7
23:30	3.5	-	CALM
23:40	3.7	east-northeast	0.7
23:50	3.5	-	CALM