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

○Information

○Measurement value list ： 2026/07/14(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	-	-
00:10	3.5	south	2.9
00:20	3.6	south-southwest	3.2
00:30	3.6	south-southwest	3.1
00:40	3.5	south-southwest	3.1
00:50	3.6	south-southwest	2.6
01:00	3.6	south	2.9
01:10	3.5	south	2.8
01:20	3.7	south	2.6
01:30	3.5	south	2.8
01:40	3.5	south	3.1
01:50	3.6	south-southeast	2.8
02:00	3.7	south-southeast	2.5
02:10	3.4	south-southeast	3.1
02:20	3.7	south-southeast	3.5
02:30	3.6	south-southeast	3.5
02:40	3.4	south-southeast	3.5
02:50	3.6	south-southeast	3.4
03:00	3.6	south-southeast	3.6
03:10	3.5	south-southeast	2.9
03:20	3.7	south-southeast	3.1
03:30	3.6	south-southeast	3.1
03:40	3.6	south	3.0
03:50	3.5	south	3.1
04:00	3.5	south	2.9
04:10	3.6	south	3.4
04:20	3.4	south	3.0
04:30	3.4	south	2.2
04:40	3.6	south-southwest	1.7
04:50	3.6	south-southwest	2.1
05:00	3.6	south-southwest	2.1
05:10	3.7	south	2.0
05:20	3.8	south	2.2
05:30	3.6	south	3.0
05:40	3.7	south	3.5
05:50	3.5	south	3.2
06:00	3.4	south	3.0
06:10	3.6	south	2.8
06:20	3.5	south	3.0
06:30	3.6	south-southeast	2.9
06:40	3.5	south-southeast	1.6
06:50	3.4	south	1.8
07:00	3.6	south-southwest	1.9
07:10	3.7	south-southwest	1.8
07:20	3.6	south-southwest	1.9
07:30	3.5	south-southwest	1.2
07:40	3.5	south-southwest	1.4
07:50	3.6	south-southwest	1.3
08:00	3.5	south	0.7
08:10	3.4	southwest	0.7
08:20	3.7	-	CALM
08:30	3.5	south-southwest	0.6
08:40	3.7	south	0.8
08:50	3.7	south-southeast	1.3
09:00	3.5	southeast	1.2
09:10	3.6	southeast	2.0
09:20	3.6	south-southeast	2.0
09:30	3.5	south-southeast	1.9
09:40	3.6	southeast	2.1
09:50	3.5	southeast	2.2
10:00	3.7	southeast	2.8
10:10	3.5	southeast	2.5
10:20	3.5	southeast	2.6
10:30	3.6	south-southeast	2.3
10:40	3.4	southeast	2.3
10:50	3.6	southeast	2.2
11:00	3.5	southeast	1.6
11:10	3.5	south	2.2
11:20	3.4	south-southwest	3.4
11:30	3.4	south	2.4
11:40	3.7	south	2.5
11:50	3.6	south	2.9
12:00	3.6	south	2.5
12:10	3.6	south	2.6
12:20	3.4	south	2.7
12:30	3.6	south-southeast	2.9
12:40	3.7	south-southeast	2.7
12:50	3.4	south-southeast	2.8
13:00	3.5	south-southeast	2.7
13:10	3.5	south-southeast	3.4
13:20	3.6	south-southeast	3.4
13:30	3.5	south-southeast	3.5
13:40	3.4	south-southeast	3.2
13:50	3.6	south-southeast	2.7
14:00	3.4	south	3.4
14:10	3.4	south	3.1
14:20	3.4	south-southeast	3.0
14:30	3.6	south	3.8
14:40	3.5	south-southeast	3.2
14:50	3.6	south-southeast	3.6
15:00	3.5	south-southeast	3.8
15:10	3.7	south-southeast	3.7
15:20	3.6	south-southeast	3.9
15:30	3.7	south-southeast	4.1
15:40	3.6	south-southeast	3.5
15:50	3.5	south-southeast	3.8
16:00	3.6	south-southeast	4.5
16:10	3.5	south-southeast	4.5
16:20	3.7	south-southeast	4.7
16:30	3.5	south-southeast	5.1
16:40	3.4	south-southeast	4.7
16:50	3.5	south-southeast	4.2
17:00	3.5	south	4.2
17:10	3.5	south	4.0
17:20	3.5	south-southeast	4.5
17:30	3.6	south-southeast	5.3
17:40	3.5	south	4.3
17:50	3.3	south	4.2
18:00	3.4	south	3.3
18:10	3.5	south	3.7
18:20	3.5	south	3.4
18:30	3.5	south-southwest	2.6
18:40	3.4	south-southwest	1.6
18:50	3.6	south-southwest	0.6
19:00	3.5	southwest	0.8
19:10	3.5	west	0.7
19:20	3.5	northwest	0.8
19:30	3.7	northwest	1.0
19:40	3.7	west-northwest	1.5
19:50	3.5	west	1.2
20:00	3.5	west-northwest	1.3
20:10	3.3	west-northwest	2.1
20:20	3.5	west-northwest	2.1
20:30	3.6	northwest	2.2
20:40	3.5	northwest	2.4
20:50	3.5	west	2.1
21:00	3.5	west	1.6
21:10	3.6	west-southwest	1.2
21:20	3.6	west-southwest	1.5
21:30	3.6	west	1.3
21:40	3.5	west-northwest	1.4
21:50	3.6	west-southwest	2.8
22:00	3.6	west	2.7
22:10	3.5	west-southwest	2.5
22:20	3.6	west-southwest	1.9
22:30	3.6	west-southwest	1.4
22:40	3.5	west	1.2
22:50	3.6	west-northwest	1.2
23:00	3.8	west-northwest	2.6
23:10	3.5	west	2.3
23:20	3.5	west-northwest	2.4
23:30	3.6	west-northwest	2.1
23:40	3.6	west	2.0
23:50	3.6	west	2.0