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

○Information

○Measurement value list ： 2025/04/06(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	3.7	southeast	4.6
00:10	3.7	southeast	4.4
00:20	3.7	southeast	3.8
00:30	3.7	south-southeast	2.7
00:40	3.6	southwest	1.6
00:50	3.7	southwest	1.9
01:00	3.7	south-southwest	1.6
01:10	3.7	south-southeast	1.0
01:20	3.7	south	1.8
01:30	3.7	south	3.0
01:40	3.7	south	4.0
01:50	3.7	south	4.3
02:00	3.7	south-southeast	3.0
02:10	3.8	south-southeast	2.4
02:20	3.6	south-southeast	2.4
02:30	3.6	south-southeast	1.9
02:40	3.6	south	1.6
02:50	3.7	south-southeast	1.9
03:00	3.7	south-southeast	2.4
03:10	3.6	south	1.8
03:20	3.6	south-southwest	1.6
03:30	3.8	south-southwest	2.4
03:40	3.8	south	2.1
03:50	3.7	south	1.8
04:00	3.8	south	1.8
04:10	3.6	south	1.4
04:20	3.6	south-southwest	1.3
04:30	3.7	south-southeast	1.8
04:40	3.6	south-southeast	1.6
04:50	3.5	south	1.6
05:00	3.6	south	2.1
05:10	3.7	south-southeast	1.6
05:20	3.7	south-southeast	1.6
05:30	3.7	southeast	1.1
05:40	3.7	-	CALM
05:50	3.8	north-northwest	0.5
06:00	3.8	-	CALM
06:10	3.6	west-northwest	1.0
06:20	3.6	west-northwest	0.8
06:30	3.8	east-southeast	0.5
06:40	3.8	southeast	0.7
06:50	3.7	-	CALM
07:00	3.7	north-northeast	0.5
07:10	3.8	-	CALM
07:20	3.7	south-southeast	1.6
07:30	3.8	south-southeast	1.0
07:40	3.7	east	0.5
07:50	3.7	east-southeast	0.8
08:00	3.6	east-southeast	1.3
08:10	3.7	east-southeast	2.1
08:20	3.9	east-southeast	2.4
08:30	3.7	east-southeast	2.1
08:40	3.4	south-southeast	1.6
08:50	3.7	southeast	2.1
09:00	3.6	east-southeast	2.4
09:10	3.7	southeast	2.2
09:20	3.7	southeast	3.8
09:30	3.8	southeast	4.9
09:40	3.6	southeast	5.4
09:50	3.6	southeast	4.6
10:00	3.7	south-southeast	4.6
10:10	3.8	south-southeast	7.3
10:20	3.9	south-southeast	7.3
10:30	3.6	south-southeast	6.8
10:40	3.6	south-southeast	8.4
10:50	3.7	south-southeast	9.0
11:00	3.6	south-southeast	9.3
11:10	3.7	south-southeast	9.0
11:20	3.8	south-southeast	10.6
11:30	3.7	south-southeast	10.9
11:40	3.7	south-southeast	10.0
11:50	3.8	south-southeast	10.3
12:00	3.7	south-southeast	10.6
12:10	3.6	south-southeast	10.1
12:20	3.7	south-southeast	9.3
12:30	3.6	south-southeast	8.5
12:40	3.8	south-southeast	10.3
12:50	3.7	south-southeast	9.5
13:00	3.7	south-southeast	10.3
13:10	3.7	south-southeast	10.0
13:20	3.7	south-southeast	9.3
13:30	3.7	south-southeast	9.2
13:40	3.6	south-southeast	8.8
13:50	3.6	south-southeast	7.6
14:00	3.6	south-southeast	7.4
14:10	3.6	south-southeast	8.2
14:20	3.7	south-southeast	8.1
14:30	3.5	south-southeast	7.9
14:40	3.6	south-southeast	8.2
14:50	3.7	south-southeast	8.7
15:00	3.8	south-southeast	7.9
15:10	3.6	south-southeast	8.2
15:20	3.8	south-southeast	9.0
15:30	3.6	south-southeast	7.1
15:40	3.7	south-southeast	6.3
15:50	3.8	south	7.3
16:00	3.8	south	7.1
16:10	3.9	south	6.2
16:20	3.8	south	6.5
16:30	3.7	south-southwest	7.1
16:40	3.7	south	6.0
16:50	3.7	south	6.3
17:00	3.7	south-southeast	5.9
17:10	3.6	south-southeast	6.3
17:20	3.5	south-southeast	5.9
17:30	3.7	south-southeast	7.1
17:40	3.8	south	7.6
17:50	3.7	south	7.6
18:00	3.7	south	6.6
18:10	3.6	south	4.3
18:20	3.6	south	4.4
18:30	3.6	south	6.5
18:40	3.7	south-southeast	6.6
18:50	3.9	south	6.8
19:00	3.7	south	7.1
19:10	3.7	south	6.3
19:20	3.6	south	7.4
19:30	3.7	south	7.3
19:40	3.7	south	6.8
19:50	3.6	south	5.2
20:00	3.9	south	3.2
20:10	3.7	south	2.2
20:20	3.8	south-southwest	1.9
20:30	3.7	-	CALM
20:40	3.6	-	CALM
20:50	3.5	-	CALM
21:00	3.8	south	2.1
21:10	3.6	south	2.1
21:20	3.8	south-southwest	2.1
21:30	3.8	south-southwest	2.1
21:40	3.8	south-southwest	1.6
21:50	3.7	southwest	1.3
22:00	3.8	west-southwest	1.0
22:10	3.8	west	0.7
22:20	3.9	west	1.1
22:30	3.7	west	1.6
22:40	3.8	west-southwest	1.4
22:50	3.6	west	1.6
23:00	3.7	west-northwest	2.1
23:10	3.6	west-northwest	2.9
23:20	3.7	west-northwest	3.8
23:30	3.7	northwest	5.7
23:40	3.6	northwest	5.2
23:50	3.6	northwest	4.6