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

○Information

○Measurement value list ： 2026/03/27(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	3.8	north-northwest	5.5
00:10	3.8	north-northwest	5.3
00:20	3.5	north-northwest	5.3
00:30	3.6	north-northwest	5.8
00:40	3.6	north-northwest	5.5
00:50	3.8	north-northwest	4.9
01:00	3.8	north-northwest	6.0
01:10	3.6	north-northwest	7.3
01:20	3.8	north-northwest	7.2
01:30	3.6	north-northwest	7.7
01:40	3.9	north-northwest	8.6
01:50	3.6	north-northwest	7.4
02:00	3.6	north-northwest	5.7
02:10	3.9	north-northwest	5.8
02:20	3.7	north-northwest	5.6
02:30	3.7	north-northwest	5.8
02:40	3.6	north-northwest	4.8
02:50	3.7	north-northwest	5.0
03:00	3.6	north-northwest	4.8
03:10	3.6	north-northwest	4.9
03:20	3.6	north-northwest	4.2
03:30	3.6	north-northwest	4.9
03:40	3.5	north	3.5
03:50	3.6	north-northwest	3.8
04:00	3.6	north-northwest	3.4
04:10	3.8	north-northwest	4.4
04:20	3.7	north-northwest	4.3
04:30	3.7	northwest	4.9
04:40	3.8	north-northwest	5.0
04:50	3.8	north-northwest	4.7
05:00	3.7	north-northwest	4.4
05:10	3.9	north-northwest	4.5
05:20	3.5	northwest	4.4
05:30	3.7	north-northwest	4.4
05:40	3.7	north-northwest	3.8
05:50	3.6	north-northwest	4.0
06:00	3.6	north-northwest	4.0
06:10	3.6	north-northwest	4.8
06:20	3.6	northwest	3.8
06:30	3.6	north-northwest	3.6
06:40	3.7	north	4.3
06:50	3.7	north-northwest	4.0
07:00	3.6	north-northwest	3.6
07:10	3.7	north-northwest	3.3
07:20	3.5	north	3.7
07:30	3.5	north-northwest	2.9
07:40	3.8	north	3.3
07:50	3.7	north	3.6
08:00	3.6	north-northwest	4.2
08:10	3.6	north-northwest	3.6
08:20	3.8	north-northwest	3.3
08:30	3.6	north	4.4
08:40	3.8	north-northwest	3.3
08:50	3.8	north	4.6
09:00	3.6	north	3.5
09:10	3.6	north	3.8
09:20	3.6	north	4.9
09:30	3.5	north	5.1
09:40	3.8	north	4.1
09:50	3.5	north	4.6
10:00	3.7	north	4.5
10:10	3.6	north	4.3
10:20	3.5	north	3.7
10:30	3.6	north-northeast	4.9
10:40	3.8	north	5.1
10:50	3.8	north-northeast	5.0
11:00	3.6	north	4.7
11:10	3.6	north	4.7
11:20	3.8	north-northeast	4.7
11:30	3.6	north	4.4
11:40	3.5	north	4.4
11:50	3.5	north	3.9
12:00	3.7	north-northeast	3.8
12:10	3.7	north	2.6
12:20	3.8	north-northeast	2.7
12:30	3.6	northeast	3.2
12:40	3.8	north-northeast	3.1
12:50	3.7	north	3.0
13:00	3.7	north-northeast	2.9
13:10	3.7	north-northeast	3.5
13:20	3.7	northeast	3.9
13:30	3.8	northeast	3.9
13:40	3.8	northeast	3.6
13:50	3.5	north-northeast	3.2
14:00	3.5	north-northeast	3.8
14:10	3.5	north-northeast	3.7
14:20	3.8	north-northeast	3.7
14:30	3.7	north-northeast	3.2
14:40	3.6	northeast	3.9
14:50	3.7	northeast	4.6
15:00	3.7	east-northeast	4.1
15:10	3.7	northeast	3.7
15:20	3.5	northeast	3.8
15:30	3.8	northeast	3.4
15:40	3.6	northeast	4.1
15:50	3.6	northeast	3.6
16:00	3.7	northeast	3.2
16:10	3.6	north-northeast	3.2
16:20	3.6	north-northeast	3.1
16:30	3.6	north-northeast	3.8
16:40	3.8	north-northeast	3.0
16:50	3.6	northeast	3.0
17:00	3.5	north	2.2
17:10	3.8	north	1.6
17:20	3.6	north	1.1
17:30	3.8	north-northeast	1.4
17:40	3.6	north-northeast	1.9
17:50	3.7	north	1.6
18:00	3.7	north-northwest	1.2
18:10	3.7	north	1.6
18:20	3.8	north	1.4
18:30	3.6	north	1.6
18:40	3.7	north	1.7
18:50	3.6	north	1.7
19:00	3.7	north	1.9
19:10	3.6	north-northwest	1.4
19:20	3.7	north-northwest	1.8
19:30	3.7	-	CALM
19:40	3.6	-	CALM
19:50	3.7	-	CALM
20:00	3.7	-	CALM
20:10	3.6	-	CALM
20:20	3.7	-	CALM
20:30	3.9	-	CALM
20:40	3.8	-	CALM
20:50	3.7	-	CALM
21:00	3.7	south-southwest	0.6
21:10	3.7	north	0.9
21:20	3.6	north-northwest	1.1
21:30	3.6	-	CALM
21:40	3.6	-	CALM
21:50	3.6	-	CALM
22:00	3.6	southwest	0.7
22:10	3.7	-	CALM
22:20	3.6	southwest	0.8
22:30	3.5	-	CALM
22:40	3.6	southwest	0.8
22:50	3.5	-	CALM
23:00	3.6	-	CALM
23:10	3.6	west	0.6
23:20	3.8	-	CALM
23:30	3.7	-	CALM
23:40	3.8	-	CALM
23:50	3.7	-	CALM