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

○Information

○Measurement value list ： 2025/06/10(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	south	4.8
00:10	3.5	south	4.4
00:20	3.6	south	4.8
00:30	3.5	south	3.7
00:40	3.5	south	3.4
00:50	3.5	south	3.1
01:00	3.7	south	4.2
01:10	3.5	south	4.5
01:20	3.6	south	3.5
01:30	3.5	south	3.2
01:40	3.6	south-southeast	2.2
01:50	3.5	south-southeast	3.3
02:00	3.4	south	3.6
02:10	3.6	south-southwest	3.1
02:20	3.6	south	2.9
02:30	3.4	south-southwest	2.6
02:40	3.5	south-southwest	2.8
02:50	3.6	south-southwest	2.2
03:00	3.4	south	2.8
03:10	3.7	south	2.3
03:20	3.5	south	1.5
03:30	3.6	south	2.1
03:40	3.6	south	2.3
03:50	3.7	south	2.3
04:00	3.5	south	2.6
04:10	3.7	south-southwest	2.6
04:20	3.6	south-southwest	2.5
04:30	3.7	south-southwest	2.5
04:40	3.6	south-southwest	1.9
04:50	3.8	south-southwest	1.6
05:00	3.7	southwest	1.2
05:10	3.6	southwest	0.9
05:20	3.6	south-southwest	1.1
05:30	3.6	south	1.2
05:40	3.5	south-southwest	1.2
05:50	3.5	west-southwest	0.8
06:00	3.8	west-southwest	1.5
06:10	3.5	south-southwest	1.3
06:20	3.7	south	0.7
06:30	3.5	south-southeast	0.6
06:40	3.6	south-southeast	0.7
06:50	3.6	northeast	1.0
07:00	3.7	northeast	1.2
07:10	3.5	north-northeast	2.0
07:20	3.6	north-northeast	1.8
07:30	3.7	north	1.8
07:40	3.6	north-northeast	1.6
07:50	3.7	north-northeast	1.6
08:00	3.6	northeast	1.4
08:10	3.7	northeast	1.7
08:20	3.5	northeast	1.8
08:30	3.5	east-northeast	1.0
08:40	3.6	north-northwest	0.9
08:50	3.6	south-southeast	0.7
09:00	3.6	east-southeast	2.5
09:10	3.7	southeast	4.2
09:20	3.6	south-southeast	4.8
09:30	3.6	southeast	5.1
09:40	3.4	southeast	3.6
09:50	3.6	south-southeast	4.0
10:00	3.4	south-southeast	4.3
10:10	3.6	south-southeast	4.4
10:20	3.6	southeast	5.7
10:30	3.5	south-southeast	5.5
10:40	3.5	southeast	6.1
10:50	3.6	southeast	7.4
11:00	3.5	southeast	7.4
11:10	3.7	south-southeast	7.3
11:20	3.6	south-southeast	6.5
11:30	3.6	southeast	5.8
11:40	3.6	southeast	6.7
11:50	3.6	southeast	7.0
12:00	3.4	southeast	7.7
12:10	3.5	south-southeast	6.9
12:20	3.5	south-southeast	6.8
12:30	3.7	south-southeast	6.7
12:40	3.6	south-southeast	5.7
12:50	3.6	south-southeast	5.4
13:00	3.7	south-southeast	5.6
13:10	3.5	south-southeast	5.1
13:20	3.5	south	5.8
13:30	3.4	south-southeast	5.1
13:40	3.5	south-southeast	5.3
13:50	3.6	south-southeast	4.3
14:00	3.5	south-southeast	4.8
14:10	3.6	south-southeast	5.0
14:20	3.6	south-southeast	4.9
14:30	3.6	south-southeast	5.3
14:40	3.5	south-southeast	5.1
14:50	3.6	south-southeast	5.6
15:00	3.6	south-southeast	5.7
15:10	3.5	southeast	6.0
15:20	3.8	south-southeast	6.0
15:30	3.6	south-southeast	5.5
15:40	3.6	south-southeast	5.0
15:50	3.8	south-southeast	5.0
16:00	3.6	south-southeast	5.2
16:10	3.5	south-southeast	5.2
16:20	3.6	south-southeast	4.3
16:30	3.4	south-southeast	4.9
16:40	3.6	south-southeast	4.7
16:50	3.7	south-southeast	4.5
17:00	3.6	south-southeast	4.0
17:10	3.5	south-southeast	4.2
17:20	3.6	south-southeast	4.4
17:30	3.8	south-southeast	4.0
17:40	3.8	south-southeast	4.1
17:50	3.6	south-southeast	4.6
18:00	3.5	south-southeast	3.9
18:10	3.6	south	2.4
18:20	3.6	south-southeast	2.2
18:30	3.6	south	2.4
18:40	3.6	south	2.6
18:50	3.7	south	2.7
19:00	3.7	south-southeast	3.3
19:10	3.7	south-southeast	4.8
19:20	3.5	south-southeast	5.7
19:30	3.7	south-southeast	5.8
19:40	3.6	south-southeast	5.8
19:50	3.5	south	4.5
20:00	3.4	south	3.0
20:10	3.5	south	2.9
20:20	3.5	south-southeast	2.8
20:30	3.6	south	2.9
20:40	3.8	south	3.1
20:50	3.7	south-southwest	2.5
21:00	3.6	south	2.5
21:10	3.6	south	2.8
21:20	3.7	south	2.0
21:30	3.6	southwest	1.1
21:40	3.6	west	1.1
21:50	3.6	west-northwest	1.2
22:00	3.4	northwest	0.9
22:10	3.6	north-northwest	1.2
22:20	3.5	east-northeast	0.6
22:30	3.5	east-southeast	1.0
22:40	3.6	-	CALM
22:50	3.6	-	CALM
23:00	3.5	-	CALM
23:10	3.6	north-northwest	1.0
23:20	3.5	northwest	1.4
23:30	3.5	northwest	2.0
23:40	3.7	northwest	1.7
23:50	3.6	northwest	1.5