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

○Information

○Measurement value list ： 2025/07/18(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	5.7
00:10	3.7	south	6.1
00:20	3.6	south	5.9
00:30	3.4	south	5.1
00:40	3.5	south	5.5
00:50	3.6	south	5.2
01:00	3.5	south	5.5
01:10	3.4	south-southwest	5.8
01:20	3.7	south-southwest	4.9
01:30	3.4	south-southwest	4.0
01:40	3.6	south-southwest	4.6
01:50	3.6	south-southwest	4.1
02:00	3.5	south-southwest	2.5
02:10	3.6	southwest	2.8
02:20	3.5	southwest	3.0
02:30	3.5	southwest	3.2
02:40	3.6	south-southwest	3.2
02:50	3.5	south-southwest	2.9
03:00	3.4	south-southwest	3.0
03:10	3.5	south	2.4
03:20	3.6	south-southwest	2.8
03:30	3.6	south	2.4
03:40	3.5	south	2.3
03:50	3.6	south	2.8
04:00	3.6	south-southwest	3.3
04:10	3.6	south-southwest	3.0
04:20	3.6	south	2.9
04:30	3.4	south	3.4
04:40	3.8	south	3.4
04:50	3.4	south-southwest	3.5
05:00	3.6	south-southwest	3.3
05:10	3.6	south-southwest	3.4
05:20	3.5	south-southwest	3.1
05:30	3.6	south	3.2
05:40	3.7	south	3.5
05:50	3.7	south	4.2
06:00	3.5	south	4.9
06:10	3.6	south	4.8
06:20	3.5	south	4.5
06:30	3.6	south	4.7
06:40	3.5	south-southeast	4.8
06:50	3.7	south-southeast	4.0
07:00	3.7	south-southeast	4.4
07:10	3.6	south-southeast	4.3
07:20	3.6	south-southeast	3.8
07:30	3.4	south-southeast	5.0
07:40	3.5	south-southeast	4.6
07:50	3.4	south	4.3
08:00	3.6	south-southeast	3.3
08:10	3.5	south-southeast	4.2
08:20	3.6	south-southeast	4.2
08:30	3.7	south-southeast	4.5
08:40	3.5	south-southeast	5.5
08:50	3.6	south-southeast	5.8
09:00	3.6	south-southeast	5.6
09:10	3.6	south-southeast	6.3
09:20	3.6	south-southeast	6.7
09:30	3.4	south-southeast	6.3
09:40	3.5	south-southeast	6.3
09:50	3.5	south-southeast	7.2
10:00	3.4	south-southeast	7.4
10:10	3.6	south-southeast	6.6
10:20	3.4	south-southeast	7.2
10:30	3.6	south-southeast	7.2
10:40	3.5	south-southeast	7.2
10:50	3.5	south-southeast	6.5
11:00	3.5	south-southeast	6.9
11:10	3.7	south-southeast	6.0
11:20	3.5	south-southeast	7.0
11:30	3.6	south-southeast	6.9
11:40	3.6	south-southeast	6.2
11:50	3.8	south-southeast	6.5
12:00	3.5	south-southeast	5.8
12:10	3.5	south	7.6
12:20	3.5	south-southeast	7.6
12:30	3.5	south-southeast	7.4
12:40	3.5	south-southeast	7.1
12:50	3.5	south-southeast	7.0
13:00	3.5	south-southeast	7.8
13:10	3.5	south-southeast	7.3
13:20	3.5	south	7.1
13:30	3.7	south	6.5
13:40	3.6	south-southeast	8.2
13:50	3.6	south-southeast	7.3
14:00	3.6	south-southeast	9.4
14:10	3.6	south-southeast	8.0
14:20	3.7	south-southeast	8.5
14:30	3.6	south-southeast	9.1
14:40	3.7	south-southeast	8.0
14:50	3.5	south-southeast	7.5
15:00	3.5	south-southeast	6.4
15:10	3.7	south-southeast	7.6
15:20	3.5	south-southeast	8.2
15:30	3.5	south-southeast	8.1
15:40	3.6	south-southeast	8.5
15:50	3.8	south-southeast	8.6
16:00	3.3	south-southeast	7.4
16:10	3.5	south-southeast	7.5
16:20	3.5	south	7.2
16:30	3.6	south	7.1
16:40	3.7	south-southeast	5.4
16:50	3.6	south	5.6
17:00	3.6	south	5.1
17:10	3.5	south-southeast	5.7
17:20	3.5	south	5.7
17:30	3.5	south-southeast	5.9
17:40	3.6	south-southeast	6.8
17:50	3.5	south-southeast	6.7
18:00	3.6	south	7.3
18:10	3.6	south	6.6
18:20	3.7	south-southeast	6.3
18:30	3.7	south	6.1
18:40	3.5	south	5.5
18:50	3.6	south	5.7
19:00	3.5	south	4.5
19:10	3.8	south-southeast	4.7
19:20	3.5	south	5.6
19:30	3.6	south-southeast	5.3
19:40	3.6	south-southeast	4.9
19:50	3.4	south	5.4
20:00	3.6	south	5.1
20:10	3.4	south	4.8
20:20	3.6	south-southeast	4.6
20:30	3.5	south-southeast	4.2
20:40	3.7	south	3.3
20:50	3.5	south	3.0
21:00	3.5	south	3.7
21:10	3.5	south	4.4
21:20	3.5	south	3.9
21:30	3.6	south	4.6
21:40	3.5	south	4.0
21:50	3.5	south	3.7
22:00	3.5	south	4.4
22:10	3.6	south-southeast	4.3
22:20	3.6	south	4.1
22:30	3.6	south	3.9
22:40	3.6	south	4.0
22:50	3.6	south	4.0
23:00	3.6	south	3.5
23:10	3.7	south	3.5
23:20	3.6	south	3.3
23:30	3.5	south	3.4
23:40	3.6	south	3.0
23:50	3.6	south	3.3