Radiation Dose measured at Monitoring Post of Fukushima Daiichi Nuclear Power Station | Archives

○Information

○Measurement value list ： 2026/04/18(CSV Download)

MP Unit：μSv/h　Wind Velocity Unit：m/s

※"-": the wind velocity is below 0.5m/s

Time	MP-1	MP-2	MP-3	MP-4	MP-5	MP-6	MP-7	MP-8	Wind Direction	Wind Velocity	Rain
00:00	0.474	0.711	0.433	0.856	0.592	0.298	0.503	0.476	south	5.7	No
00:10	0.475	0.713	0.431	0.855	0.592	0.296	0.502	0.478	south	6.3	No
00:20	0.474	0.714	0.433	0.854	0.592	0.298	0.503	0.476	south	5.6	No
00:30	0.473	0.711	0.432	0.855	0.592	0.296	0.504	0.476	south	5.9	No
00:40	0.475	0.712	0.433	0.857	0.590	0.297	0.502	0.476	south	6.1	No
00:50	0.473	0.712	0.432	0.855	0.591	0.297	0.502	0.477	south	6.0	No
01:00	0.475	0.712	0.432	0.856	0.592	0.298	0.502	0.476	south	6.2	No
01:10	0.473	0.713	0.432	0.855	0.592	0.297	0.502	0.476	south	6.1	No
01:20	0.473	0.712	0.433	0.856	0.592	0.296	0.502	0.477	south	5.9	No
01:30	0.473	0.714	0.432	0.859	0.592	0.298	0.502	0.476	south	6.6	No
01:40	0.472	0.712	0.431	0.857	0.592	0.297	0.501	0.477	south	5.6	No
01:50	0.474	0.713	0.433	0.856	0.592	0.299	0.503	0.477	south	4.5	No
02:00	0.473	0.711	0.433	0.858	0.592	0.296	0.501	0.477	south	4.5	No
02:10	0.475	0.711	0.433	0.858	0.592	0.297	0.501	0.477	south	4.6	No
02:20	0.474	0.713	0.433	0.856	0.591	0.297	0.502	0.477	south	4.4	No
02:30	0.475	0.713	0.432	0.858	0.593	0.297	0.503	0.477	south	4.8	No
02:40	0.474	0.713	0.434	0.858	0.593	0.298	0.502	0.477	south	4.9	No
02:50	0.473	0.713	0.432	0.856	0.592	0.298	0.502	0.477	south	4.3	No
03:00	0.474	0.714	0.433	0.857	0.591	0.297	0.502	0.479	south-southeast	3.8	No
03:10	0.475	0.713	0.433	0.859	0.591	0.296	0.502	0.476	south	4.2	No
03:20	0.475	0.712	0.434	0.855	0.591	0.296	0.501	0.476	south	4.8	No
03:30	0.474	0.712	0.432	0.856	0.592	0.296	0.503	0.476	south	4.0	No
03:40	0.473	0.712	0.432	0.859	0.590	0.296	0.502	0.477	south	3.0	No
03:50	0.474	0.713	0.433	0.856	0.592	0.296	0.502	0.476	south	3.6	No
04:00	0.475	0.713	0.432	0.856	0.593	0.298	0.500	0.478	south	3.6	No
04:10	0.474	0.712	0.434	0.857	0.593	0.297	0.502	0.477	south	3.1	No
04:20	0.475	0.713	0.434	0.859	0.593	0.298	0.501	0.477	south	2.7	No
04:30	0.474	0.714	0.433	0.858	0.593	0.297	0.500	0.476	south	2.2	No
04:40	0.475	0.712	0.432	0.857	0.593	0.299	0.501	0.476	south	2.7	No
04:50	0.474	0.714	0.434	0.857	0.592	0.297	0.501	0.477	south-southeast	1.5	No
05:00	0.473	0.711	0.432	0.858	0.593	0.298	0.501	0.478	south-southeast	1.8	No
05:10	0.474	0.714	0.433	0.856	0.593	0.298	0.502	0.477	south-southeast	2.4	No
05:20	0.473	0.713	0.435	0.858	0.592	0.297	0.501	0.477	south-southeast	2.0	No
05:30	0.476	0.712	0.430	0.858	0.593	0.297	0.503	0.477	southeast	0.7	No
05:40	0.474	0.713	0.433	0.859	0.593	0.297	0.501	0.476	southeast	1.2	No
05:50	0.474	0.713	0.434	0.856	0.592	0.297	0.500	0.477	east-southeast	0.8	No
06:00	0.475	0.713	0.433	0.856	0.593	0.298	0.500	0.479	-	CALM	No
06:10	0.475	0.711	0.433	0.857	0.593	0.297	0.500	0.476	-	CALM	No
06:20	0.474	0.712	0.433	0.857	0.594	0.298	0.500	0.477	-	CALM	No
06:30	0.474	0.712	0.433	0.857	0.594	0.298	0.502	0.478	southwest	0.7	No
06:40	0.475	0.713	0.434	0.858	0.593	0.298	0.502	0.478	southwest	0.7	No
06:50	0.474	0.713	0.433	0.857	0.592	0.298	0.504	0.477	south-southwest	1.1	No
07:00	0.476	0.713	0.433	0.858	0.593	0.298	0.503	0.477	south-southwest	1.2	No
07:10	0.474	0.714	0.432	0.859	0.591	0.298	0.502	0.477	south	1.8	No
07:20	0.476	0.712	0.434	0.857	0.593	0.300	0.501	0.478	south	2.6	No
07:30	0.475	0.713	0.433	0.859	0.592	0.300	0.504	0.477	south	2.9	No
07:40	0.474	0.716	0.434	0.860	0.593	0.298	0.504	0.477	south	3.2	No
07:50	0.475	0.711	0.436	0.856	0.593	0.299	0.501	0.478	south	3.7	No
08:00	0.475	0.713	0.434	0.857	0.594	0.297	0.500	0.478	south-southeast	1.9	No
08:10	0.475	0.712	0.433	0.858	0.594	0.297	0.502	0.478	southeast	1.6	No
08:20	0.475	0.712	0.434	0.857	0.595	0.297	0.500	0.476	southeast	1.4	No
08:30	0.475	0.713	0.435	0.858	0.593	0.296	0.502	0.475	southeast	2.3	No
08:40	0.476	0.712	0.432	0.858	0.593	0.298	0.500	0.477	southeast	3.2	No
08:50	0.475	0.712	0.432	0.859	0.591	0.297	0.501	0.476	southeast	3.8	No
09:00	0.474	0.711	0.432	0.858	0.590	0.297	0.502	0.475	southeast	3.3	No
09:10	0.473	0.711	0.433	0.860	0.593	0.297	0.502	0.476	southeast	4.4	No
09:20	0.474	0.713	0.433	0.858	0.592	0.297	0.501	0.476	southeast	6.3	No
09:30	0.473	0.710	0.432	0.858	0.592	0.297	0.501	0.476	southeast	5.5	No
09:40	0.475	0.710	0.431	0.859	0.591	0.296	0.502	0.476	south-southeast	6.4	No
09:50	0.475	0.713	0.428	0.859	0.592	0.298	0.502	0.476	south-southeast	7.2	No
10:00	0.475	0.712	0.431	0.859	0.591	0.297	0.503	0.475	south-southeast	8.3	No
10:10	0.475	0.712	0.430	0.859	0.592	0.299	0.502	0.477	south-southeast	8.1	No
10:20	0.473	0.712	0.432	0.860	0.592	0.298	0.503	0.475	south-southeast	9.2	No
10:30	0.474	0.713	0.431	0.859	0.593	0.298	0.501	0.476	south-southeast	8.8	No
10:40	0.475	0.714	0.431	0.860	0.591	0.298	0.502	0.477	south-southeast	9.8	No
10:50	0.473	0.714	0.432	0.859	0.592	0.298	0.502	0.477	south-southeast	8.8	No
11:00	0.475	0.714	0.434	0.860	0.594	0.297	0.503	0.477	south-southeast	7.8	No
11:10	0.476	0.713	0.431	0.859	0.593	0.299	0.502	0.475	south-southeast	10.4	No
11:20	0.475	0.714	0.433	0.862	0.594	0.297	0.503	0.476	south	10.8	No
11:30	0.476	0.713	0.433	0.859	0.593	0.299	0.502	0.477	south-southeast	10.1	No
11:40	0.475	0.712	0.433	0.860	0.593	0.298	0.502	0.477	south-southeast	11.6	No
11:50	0.476	0.715	0.432	0.861	0.594	0.298	0.503	0.477	south-southeast	10.1	No
12:00	0.475	0.713	0.434	0.860	0.595	0.297	0.503	0.478	south-southeast	10.9	No
12:10	0.475	0.715	0.433	0.861	0.594	0.299	0.503	0.479	south-southeast	10.2	No
12:20	0.476	0.717	0.434	0.863	0.594	0.299	0.502	0.477	south-southeast	10.9	No
12:30	0.475	0.716	0.435	0.861	0.597	0.299	0.503	0.477	south-southeast	10.3	No
12:40	0.475	0.717	0.435	0.861	0.594	0.299	0.503	0.478	south-southeast	11.6	No
12:50	0.476	0.717	0.435	0.860	0.593	0.299	0.504	0.477	south-southeast	10.3	No
13:00	0.476	0.717	0.434	0.860	0.596	0.299	0.503	0.477	south-southeast	11.0	No
13:10	0.477	0.716	0.434	0.862	0.597	0.297	0.501	0.478	south-southeast	9.9	No
13:20	0.476	0.716	0.434	0.861	0.596	0.299	0.504	0.478	south	9.7	No
13:30	0.476	0.717	0.435	0.861	0.596	0.298	0.504	0.477	south	9.1	No
13:40	0.476	0.716	0.435	0.859	0.595	0.300	0.501	0.478	south-southeast	8.1	No
13:50	0.476	0.715	0.434	0.862	0.596	0.299	0.503	0.479	south-southeast	8.7	No
14:00	0.477	0.716	0.435	0.862	0.595	0.299	0.503	0.477	south-southeast	8.0	No
14:10	0.477	0.716	0.434	0.862	0.595	0.298	0.502	0.478	south	9.2	No
14:20	0.477	0.716	0.435	0.861	0.595	0.299	0.504	0.478	south	8.4	No
14:30	0.477	0.716	0.434	0.862	0.596	0.299	0.502	0.477	south	8.4	No
14:40	0.477	0.718	0.433	0.861	0.596	0.300	0.503	0.477	south	7.7	No
14:50	0.476	0.716	0.435	0.861	0.594	0.299	0.503	0.478	south	8.0	No
15:00	0.479	0.716	0.433	0.861	0.595	0.298	0.502	0.478	south	8.2	No
15:10	0.476	0.714	0.435	0.862	0.597	0.298	0.503	0.478	south	7.3	No
15:20	0.479	0.717	0.434	0.863	0.597	0.299	0.503	0.478	south	6.5	No
15:30	0.477	0.717	0.436	0.863	0.597	0.299	0.503	0.478	south	5.4	No
15:40	0.476	0.717	0.436	0.863	0.595	0.299	0.504	0.477	south	3.7	No
15:50	0.477	0.716	0.435	0.862	0.597	0.300	0.502	0.479	south	4.2	No
16:00	0.477	0.715	0.436	0.860	0.596	0.300	0.503	0.478	south	3.6	No
16:10	0.478	0.716	0.434	0.860	0.596	0.299	0.504	0.477	south	3.7	No
16:20	0.477	0.717	0.435	0.861	0.596	0.300	0.505	0.478	south	4.5	No
16:30	0.477	0.718	0.435	0.862	0.599	0.299	0.503	0.478	south	5.1	No
16:40	0.477	0.717	0.434	0.860	0.597	0.299	0.502	0.479	south	3.2	No
16:50	0.475	0.717	0.435	0.865	0.596	0.300	0.502	0.477	south	3.7	No
17:00	0.475	0.719	0.434	0.862	0.598	0.300	0.503	0.479	south	3.6	No
17:10	0.477	0.717	0.434	0.864	0.595	0.300	0.504	0.478	south	2.9	No
17:20	0.476	0.715	0.434	0.864	0.597	0.300	0.503	0.478	south	3.2	No
17:30	0.477	0.718	0.435	0.864	0.597	0.300	0.503	0.478	south	2.2	No
17:40	0.477	0.717	0.433	0.864	0.596	0.299	0.502	0.477	south-southeast	2.4	No
17:50	0.476	0.720	0.435	0.863	0.596	0.300	0.503	0.478	south	3.0	No
18:00	0.478	0.719	0.435	0.864	0.597	0.301	0.501	0.479	south	3.9	No
18:10	0.478	0.720	0.436	0.863	0.598	0.300	0.504	0.479	south-southwest	3.0	No
18:20	0.479	0.721	0.435	0.864	0.599	0.299	0.503	0.479	south	3.2	No
18:30	0.478	0.722	0.435	0.862	0.597	0.300	0.503	0.481	northeast	0.6	No
18:40	0.478	0.721	0.437	0.862	0.599	0.300	0.501	0.479	north-northwest	1.8	No
18:50	0.479	0.720	0.437	0.866	0.599	0.301	0.502	0.480	northwest	1.9	No
19:00	0.479	0.720	0.436	0.863	0.600	0.302	0.504	0.478	north	3.0	No
19:10	0.479	0.720	0.435	0.865	0.599	0.300	0.503	0.479	north	2.8	No
19:20	0.476	0.721	0.437	0.864	0.599	0.301	0.503	0.482	north-northeast	2.8	No
19:30	0.478	0.720	0.437	0.861	0.599	0.302	0.502	0.479	north	2.1	No
19:40	0.479	0.719	0.437	0.863	0.601	0.300	0.505	0.480	north	2.0	No
19:50	0.477	0.720	0.437	0.863	0.599	0.301	0.504	0.479	north-northeast	1.7	No
20:00	0.477	0.720	0.435	0.863	0.599	0.301	0.502	0.479	north-northeast	2.8	No
20:10	0.478	0.720	0.438	0.865	0.600	0.300	0.504	0.481	north-northeast	2.6	No
20:20	0.478	0.720	0.438	0.864	0.598	0.300	0.504	0.478	north-northeast	1.5	No
20:30	0.478	0.719	0.437	0.865	0.599	0.299	0.504	0.479	northeast	0.6	No
20:40	0.478	0.719	0.435	0.864	0.598	0.301	0.503	0.480	east-northeast	1.2	No
20:50	0.478	0.719	0.436	0.863	0.599	0.301	0.502	0.479	east-northeast	1.7	No
21:00	0.480	0.720	0.436	0.866	0.599	0.301	0.502	0.480	northeast	1.6	No
21:10	0.478	0.720	0.435	0.865	0.599	0.300	0.503	0.480	-	CALM	No
21:20	0.478	0.721	0.436	0.865	0.601	0.300	0.505	0.480	east-northeast	1.3	No
21:30	0.478	0.719	0.435	0.865	0.599	0.300	0.505	0.478	east-northeast	1.3	No
21:40	0.477	0.720	0.434	0.865	0.598	0.301	0.504	0.479	east-northeast	0.6	No
21:50	0.477	0.719	0.436	0.865	0.598	0.301	0.504	0.479	southeast	0.7	No
22:00	0.478	0.720	0.437	0.865	0.598	0.299	0.505	0.478	-	CALM	No
22:10	0.478	0.719	0.436	0.865	0.599	0.299	0.503	0.479	southeast	1.0	No
22:20	0.478	0.718	0.435	0.862	0.601	0.301	0.504	0.479	west-southwest	0.8	No
22:30	0.478	0.719	0.436	0.864	0.598	0.299	0.503	0.480	west	1.8	No
22:40	0.477	0.719	0.436	0.864	0.598	0.301	0.503	0.480	west	1.9	No
22:50	0.477	0.719	0.437	0.864	0.599	0.300	0.503	0.478	west-northwest	3.0	No
23:00	0.479	0.719	0.437	0.865	0.598	0.301	0.504	0.478	west	4.5	No
23:10	0.478	0.720	0.436	0.865	0.598	0.300	0.505	0.480	west	2.4	No
23:20	0.479	0.719	0.437	0.865	0.598	0.300	0.502	0.477	west-northwest	0.8	No
23:30	0.478	0.719	0.436	0.865	0.598	0.301	0.502	0.480	-	CALM	No
23:40	0.480	0.718	0.437	0.866	0.598	0.300	0.503	0.480	west-southwest	0.8	No
23:50	0.478	0.719	0.436	0.864	0.601	0.301	0.503	0.480	west-southwest	1.1	No