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

○Information

○Measurement value list ： 2025/05/16(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	3.7	south	3.3
00:10	3.6	south	3.0
00:20	3.6	south	2.9
00:30	3.6	south	3.2
00:40	3.6	south	2.7
00:50	3.5	south-southeast	2.7
01:00	3.7	south	3.3
01:10	3.6	south	4.4
01:20	3.5	south	4.4
01:30	3.6	south	4.9
01:40	3.6	south	4.5
01:50	3.6	south	4.1
02:00	3.7	south	4.3
02:10	3.4	south	4.3
02:20	3.5	south	3.3
02:30	3.7	south-southwest	2.9
02:40	3.5	south-southwest	2.9
02:50	3.6	south-southwest	2.9
03:00	3.5	south-southwest	2.1
03:10	3.6	south	2.2
03:20	3.6	south	2.6
03:30	3.8	south-southwest	2.9
03:40	3.7	south-southwest	2.3
03:50	3.5	south-southwest	2.3
04:00	3.7	south-southwest	2.5
04:10	3.4	southwest	1.9
04:20	3.6	west-northwest	1.0
04:30	3.6	-	CALM
04:40	3.6	-	CALM
04:50	3.6	northeast	0.7
05:00	3.5	north	1.0
05:10	3.6	north-northwest	2.5
05:20	3.8	north-northwest	2.9
05:30	3.6	north	2.5
05:40	3.5	north	2.7
05:50	3.5	north	2.5
06:00	3.5	north	2.3
06:10	3.4	north	2.4
06:20	3.5	north-northwest	1.1
06:30	3.4	north	1.5
06:40	3.7	north	1.6
06:50	3.4	north	1.6
07:00	3.5	north	1.8
07:10	3.6	north	1.9
07:20	3.5	north	2.1
07:30	3.5	north	1.4
07:40	3.5	north-northeast	1.8
07:50	3.7	north	1.4
08:00	3.6	north-northeast	2.1
08:10	3.9	northeast	2.1
08:20	3.6	northeast	1.3
08:30	3.5	northeast	2.1
08:40	3.7	east-northeast	0.8
08:50	3.6	east	0.7
09:00	3.6	east-southeast	0.7
09:10	3.5	east-southeast	1.0
09:20	3.6	southeast	1.5
09:30	3.5	east-southeast	1.5
09:40	3.7	southeast	1.4
09:50	3.6	southeast	1.5
10:00	3.7	southeast	1.5
10:10	3.6	southeast	1.9
10:20	3.6	southeast	2.4
10:30	3.5	east-southeast	2.6
10:40	3.7	southeast	2.9
10:50	3.6	southeast	2.6
11:00	3.6	southeast	2.6
11:10	3.5	southeast	2.5
11:20	3.6	southeast	3.0
11:30	3.6	south-southeast	2.9
11:40	3.6	south-southeast	3.2
11:50	3.6	south-southeast	4.0
12:00	3.6	south-southeast	4.3
12:10	3.6	southeast	4.3
12:20	3.5	southeast	4.8
12:30	3.6	south-southeast	5.2
12:40	3.6	south-southeast	4.6
12:50	3.5	southeast	4.9
13:00	3.5	south-southeast	5.4
13:10	3.6	south-southeast	6.5
13:20	3.6	southeast	6.6
13:30	3.5	south-southeast	7.3
13:40	3.5	south-southeast	7.9
13:50	3.6	south-southeast	7.4
14:00	3.6	south-southeast	7.3
14:10	3.6	south-southeast	8.4
14:20	3.6	south-southeast	7.6
14:30	3.6	south-southeast	7.0
14:40	3.5	south-southeast	8.4
14:50	3.7	south-southeast	7.3
15:00	3.5	south-southeast	7.0
15:10	3.5	south-southeast	8.8
15:20	3.6	south-southeast	8.4
15:30	3.6	south-southeast	9.0
15:40	3.6	south-southeast	10.7
15:50	3.6	south-southeast	8.5
16:00	3.7	southeast	7.6
16:10	3.6	south-southeast	7.3
16:20	3.6	southeast	7.3
16:30	3.5	southeast	7.9
16:40	3.6	south-southeast	7.7
16:50	3.7	south-southeast	7.7
17:00	3.6	south-southeast	8.2
17:10	3.5	south-southeast	7.1
17:20	3.6	south-southeast	7.7
17:30	3.6	south-southeast	7.9
17:40	3.6	south-southeast	8.1
17:50	3.5	south-southeast	7.0
18:00	3.5	south-southeast	6.3
18:10	3.6	south-southeast	6.2
18:20	3.6	south-southeast	6.8
18:30	3.6	south-southeast	6.0
18:40	3.6	south-southeast	6.5
18:50	3.6	south-southeast	6.2
19:00	3.6	south-southeast	6.3
19:10	3.6	south-southeast	5.5
19:20	3.6	south	4.3
19:30	3.6	south-southeast	4.4
19:40	3.6	south	4.8
19:50	3.6	south-southeast	5.4
20:00	3.5	south-southeast	5.4
20:10	3.6	south	5.2
20:20	3.7	south	5.1
20:30	3.6	south	4.8
20:40	3.6	south	4.9
20:50	3.5	south	5.1
21:00	3.7	south	5.9
21:10	3.7	south	5.7
21:20	3.6	south	5.7
21:30	3.6	south	6.0
21:40	3.6	south	5.2
21:50	3.6	south	4.9
22:00	3.5	south-southeast	3.3
22:10	3.6	south	4.1
22:20	3.5	south	4.9
22:30	3.6	south	4.4
22:40	3.6	south-southeast	3.2
22:50	3.6	south-southeast	3.5
23:00	3.5	south	3.7
23:10	3.5	south	4.1
23:20	3.6	south-southwest	4.0
23:30	3.5	south-southwest	2.6
23:40	3.5	south	2.9
23:50	3.6	south	2.1