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

○Information

○Measurement value list ： 2025/06/06(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	1.7
00:10	3.5	south	2.0
00:20	3.6	south-southwest	1.8
00:30	3.6	southwest	3.4
00:40	3.6	southwest	4.6
00:50	3.6	south-southwest	3.3
01:00	3.6	south-southwest	2.8
01:10	3.6	south-southwest	2.5
01:20	3.5	south-southwest	2.6
01:30	3.6	south-southwest	2.7
01:40	3.6	south-southwest	2.3
01:50	3.6	south-southwest	2.1
02:00	3.6	southwest	2.8
02:10	3.6	southwest	3.7
02:20	3.5	southwest	3.2
02:30	3.6	southwest	3.0
02:40	3.7	south-southwest	2.3
02:50	3.6	southwest	1.8
03:00	3.5	southwest	1.0
03:10	3.5	-	CALM
03:20	3.6	-	CALM
03:30	3.7	east-southeast	1.0
03:40	3.6	east-southeast	1.4
03:50	3.6	east	1.2
04:00	3.6	east-southeast	1.2
04:10	3.5	east-southeast	1.6
04:20	3.6	south	1.2
04:30	3.7	south-southwest	1.6
04:40	3.6	south-southwest	2.0
04:50	3.7	south	2.0
05:00	3.6	south	2.4
05:10	3.6	south	2.9
05:20	3.5	south	3.0
05:30	3.7	south	2.8
05:40	3.7	south-southwest	3.0
05:50	3.5	south	2.5
06:00	3.5	south	2.6
06:10	3.6	south	2.0
06:20	3.6	south-southwest	2.3
06:30	3.4	south-southwest	1.6
06:40	3.4	south-southwest	1.2
06:50	3.5	south-southwest	0.8
07:00	3.5	south	0.9
07:10	3.6	south-southeast	0.9
07:20	3.6	east-southeast	1.3
07:30	3.6	east-southeast	1.8
07:40	3.6	east-southeast	1.9
07:50	3.6	east-southeast	2.5
08:00	3.6	southeast	2.2
08:10	3.6	east-southeast	2.7
08:20	3.5	southeast	3.7
08:30	3.5	southeast	4.0
08:40	3.5	south-southeast	4.0
08:50	3.7	southeast	2.4
09:00	3.5	south-southeast	2.9
09:10	3.7	south-southeast	4.0
09:20	3.5	southeast	4.6
09:30	3.5	southeast	4.5
09:40	3.5	south-southeast	4.6
09:50	3.5	southeast	4.2
10:00	3.6	east-southeast	2.8
10:10	3.5	southeast	2.9
10:20	3.6	southeast	3.5
10:30	3.5	south-southeast	6.1
10:40	3.5	south-southeast	6.1
10:50	3.5	south-southeast	5.7
11:00	3.5	south-southeast	6.6
11:10	3.5	south-southeast	6.0
11:20	3.5	south-southeast	5.7
11:30	3.5	southeast	8.0
11:40	3.5	south-southeast	8.8
11:50	3.5	south-southeast	8.9
12:00	3.4	south-southeast	9.0
12:10	3.5	south-southeast	8.4
12:20	3.6	south-southeast	8.6
12:30	3.6	south-southeast	9.0
12:40	3.4	south-southeast	7.3
12:50	3.5	south-southeast	7.2
13:00	3.6	south-southeast	7.9
13:10	3.6	south-southeast	8.8
13:20	3.5	south-southeast	8.1
13:30	3.6	south-southeast	8.8
13:40	3.5	south-southeast	9.8
13:50	3.6	south-southeast	9.3
14:00	3.7	south-southeast	9.0
14:10	3.8	south-southeast	8.0
14:20	3.6	south-southeast	6.7
14:30	3.4	south-southeast	5.9
14:40	3.6	south	6.5
14:50	3.6	south	7.9
15:00	3.4	south	7.6
15:10	3.5	south	8.0
15:20	3.7	south	7.9
15:30	3.5	south	8.2
15:40	3.6	south	8.8
15:50	3.7	south-southeast	8.1
16:00	3.6	south-southeast	7.2
16:10	3.7	south	7.2
16:20	3.6	south	7.7
16:30	3.5	south	7.4
16:40	3.6	south-southeast	6.8
16:50	3.6	south-southeast	5.8
17:00	3.5	south-southeast	6.4
17:10	3.6	south-southeast	6.1
17:20	3.4	south	5.8
17:30	3.7	south-southeast	5.2
17:40	3.6	south	5.2
17:50	3.6	south	5.3
18:00	3.4	south	5.1
18:10	3.6	south	5.0
18:20	3.6	south	5.4
18:30	3.6	south	5.5
18:40	3.5	south	5.6
18:50	3.6	south	6.1
19:00	3.7	south	5.7
19:10	3.6	south	6.0
19:20	3.6	south	6.2
19:30	3.7	south	5.9
19:40	3.6	south	5.1
19:50	3.6	south	4.8
20:00	3.4	south	5.8
20:10	3.6	south	6.1
20:20	3.5	south	6.1
20:30	3.6	south	5.8
20:40	3.6	south	7.1
20:50	3.4	south	6.6
21:00	3.6	south	6.0
21:10	3.5	south	7.2
21:20	3.5	south	5.7
21:30	3.6	south	6.4
21:40	3.5	south-southeast	5.1
21:50	3.5	south	5.7
22:00	3.6	south	5.5
22:10	3.6	south-southeast	5.7
22:20	3.5	south-southeast	7.2
22:30	3.8	south-southeast	7.2
22:40	3.5	south	6.9
22:50	3.6	south-southeast	6.4
23:00	3.5	south-southeast	7.1
23:10	3.6	south	8.0
23:20	3.7	south-southeast	8.1
23:30	3.4	south	7.6
23:40	3.7	south-southeast	7.3
23:50	3.6	south-southeast	7.3