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

○Information

○Measurement value list ： 2026/10/20(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	0.452	0.701	0.448	0.880	0.604	0.301	0.496	0.472	south-southwest	5.5	Yes
00:10	0.452	0.698	0.447	0.877	0.601	0.301	0.498	0.473	south-southwest	5.8	Yes
00:20	0.451	0.699	0.447	0.876	0.600	0.299	0.497	0.472	south-southwest	4.2	Yes
00:30	0.451	0.700	0.446	0.875	0.600	0.300	0.495	0.473	south-southwest	3.3	Yes
00:40	0.450	0.697	0.445	0.875	0.600	0.297	0.497	0.473	south-southwest	4.0	Yes
00:50	0.451	0.698	0.447	0.880	0.604	0.300	0.497	0.474	south-southwest	4.6	Yes
01:00	0.453	0.699	0.448	0.877	0.602	0.300	0.497	0.474	south-southwest	5.5	Yes
01:10	0.454	0.697	0.448	0.878	0.600	0.300	0.496	0.472	south-southwest	5.1	Yes
01:20	0.453	0.699	0.446	0.876	0.600	0.300	0.498	0.472	southwest	4.1	Yes
01:30	0.454	0.699	0.448	0.878	0.601	0.300	0.498	0.473	south-southwest	4.0	Yes
01:40	0.455	0.699	0.449	0.880	0.603	0.300	0.499	0.474	south-southwest	3.7	Yes
01:50	0.456	0.702	0.451	0.880	0.605	0.303	0.498	0.474	south-southwest	3.1	Yes
02:00	0.456	0.702	0.452	0.881	0.603	0.303	0.498	0.473	south-southwest	2.4	Yes
02:10	0.457	0.700	0.452	0.879	0.604	0.303	0.497	0.473	south-southwest	2.5	Yes
02:20	0.457	0.698	0.452	0.878	0.604	0.303	0.497	0.473	south-southwest	2.7	Yes
02:30	0.458	0.698	0.452	0.879	0.601	0.304	0.496	0.473	south-southwest	2.5	Yes
02:40	0.458	0.695	0.450	0.878	0.603	0.303	0.497	0.473	southwest	2.9	Yes
02:50	0.458	0.695	0.451	0.877	0.602	0.304	0.495	0.473	southwest	2.3	Yes
03:00	0.456	0.695	0.450	0.877	0.603	0.304	0.496	0.473	southwest	1.9	Yes
03:10	0.455	0.694	0.451	0.875	0.603	0.303	0.496	0.473	southwest	2.9	Yes
03:20	0.453	0.690	0.449	0.873	0.601	0.302	0.497	0.473	southwest	2.1	Yes
03:30	0.453	0.690	0.448	0.873	0.597	0.301	0.496	0.472	south	2.3	Yes
03:40	0.452	0.689	0.446	0.873	0.598	0.300	0.497	0.473	south	2.5	Yes
03:50	0.451	0.688	0.446	0.871	0.596	0.299	0.495	0.471	south-southwest	2.6	Yes
04:00	0.448	0.688	0.444	0.872	0.594	0.298	0.494	0.472	south	2.8	Yes
04:10	0.448	0.686	0.444	0.870	0.595	0.297	0.494	0.470	south-southeast	1.9	Yes
04:20	0.446	0.686	0.442	0.868	0.592	0.296	0.494	0.471	south-southeast	1.7	No
04:30	0.444	0.687	0.441	0.868	0.592	0.296	0.493	0.473	south-southeast	1.8	No
04:40	0.444	0.686	0.438	0.866	0.591	0.297	0.495	0.472	south-southwest	1.9	No
04:50	0.444	0.685	0.439	0.867	0.591	0.296	0.493	0.471	south-southwest	1.4	No
05:00	0.442	0.684	0.439	0.865	0.591	0.294	0.494	0.471	south-southwest	2.4	No
05:10	0.441	0.682	0.436	0.866	0.590	0.293	0.493	0.472	south-southwest	2.4	No
05:20	0.440	0.682	0.434	0.864	0.591	0.294	0.496	0.471	southwest	2.6	No
05:30	0.442	0.681	0.433	0.863	0.588	0.292	0.493	0.471	southwest	3.2	Yes
05:40	0.439	0.681	0.434	0.864	0.589	0.292	0.494	0.471	south-southwest	3.6	Yes
05:50	0.440	0.682	0.434	0.863	0.589	0.292	0.493	0.471	southwest	3.1	No
06:00	0.438	0.679	0.434	0.864	0.590	0.292	0.493	0.470	southwest	2.1	No
06:10	0.440	0.679	0.435	0.863	0.588	0.291	0.493	0.470	west-northwest	1.2	No
06:20	0.438	0.682	0.433	0.864	0.589	0.292	0.492	0.469	north-northwest	1.5	No
06:30	0.440	0.682	0.433	0.866	0.590	0.292	0.492	0.470	northeast	2.2	No
06:40	0.439	0.681	0.433	0.864	0.590	0.292	0.493	0.469	east-northeast	2.5	No
06:50	0.439	0.683	0.435	0.864	0.590	0.292	0.493	0.470	east-northeast	1.3	No
07:00	0.439	0.681	0.433	0.866	0.587	0.292	0.493	0.468	north-northeast	0.9	No
07:10	0.440	0.682	0.433	0.863	0.589	0.294	0.493	0.468	north	1.9	No
07:20	0.440	0.681	0.433	0.864	0.590	0.291	0.492	0.469	north-northwest	2.0	No
07:30	0.440	0.681	0.433	0.864	0.589	0.292	0.493	0.471	northwest	1.7	No
07:40	0.438	0.680	0.435	0.864	0.589	0.292	0.493	0.470	northwest	1.8	No
07:50	0.439	0.681	0.433	0.865	0.590	0.290	0.494	0.470	northwest	2.4	Yes
08:00	0.441	0.680	0.432	0.864	0.588	0.293	0.492	0.469	north-northwest	3.7	Yes
08:10	0.441	0.681	0.433	0.864	0.589	0.294	0.494	0.469	north-northwest	3.5	Yes
08:20	0.440	0.681	0.435	0.864	0.590	0.294	0.492	0.470	north-northwest	1.0	Yes
08:30	0.439	0.678	0.435	0.866	0.591	0.293	0.493	0.470	north-northwest	1.9	Yes
08:40	0.441	0.681	0.435	0.866	0.591	0.294	0.492	0.469	north	5.6	Yes
08:50	0.442	0.677	0.435	0.866	0.589	0.295	0.493	0.471	north	6.1	Yes
09:00	0.438	0.674	0.434	0.865	0.591	0.294	0.493	0.470	north	3.7	Yes
09:10	0.440	0.676	0.434	0.866	0.588	0.294	0.494	0.468	north-northwest	3.2	Yes
09:20	0.437	0.678	0.432	0.865	0.587	0.293	0.492	0.468	north-northwest	1.7	Yes
09:30	0.437	0.675	0.432	0.863	0.587	0.292	0.492	0.467	north	2.6	Yes
09:40	0.437	0.675	0.430	0.863	0.587	0.291	0.493	0.468	north-northwest	2.4	Yes
09:50	0.439	0.674	0.429	0.863	0.586	0.292	0.491	0.468	north	3.7	Yes
10:00	0.437	0.674	0.430	0.862	0.586	0.292	0.492	0.468	north-northwest	2.4	Yes
10:10	0.437	0.675	0.431	0.863	0.589	0.292	0.492	0.469	north-northwest	2.6	Yes
10:20	0.437	0.674	0.431	0.864	0.585	0.291	0.493	0.468	north	2.1	Yes
10:30	0.437	0.674	0.429	0.863	0.585	0.290	0.491	0.467	north-northeast	2.9	Yes
10:40	0.437	0.669	0.431	0.862	0.584	0.292	0.490	0.466	north	2.4	Yes
10:50	0.436	0.670	0.431	0.860	0.582	0.294	0.490	0.466	north-northeast	2.7	Yes
11:00	0.435	0.669	0.432	0.860	0.582	0.292	0.490	0.465	north	1.9	Yes
11:10	0.435	0.666	0.429	0.856	0.580	0.292	0.488	0.464	north-northwest	2.9	Yes
11:20	0.433	0.666	0.430	0.853	0.577	0.290	0.487	0.464	-	-	Yes
11:30	0.432	0.664	0.430	0.848	0.576	0.293	0.486	0.462	north	4.5	Yes
11:40	0.433	0.665	0.429	0.844	0.576	0.293	0.486	0.466	north-northwest	2.8	Yes
11:50	0.434	0.666	0.431	0.844	0.577	0.293	0.487	0.466	north-northwest	3.0	Yes
12:00	0.433	0.668	0.430	0.847	0.576	0.292	0.486	0.464	northwest	2.8	Yes
12:10	0.431	0.667	0.431	0.845	0.577	0.292	0.487	0.465	northwest	2.6	Yes
12:20	0.432	0.666	0.431	0.844	0.577	0.291	0.486	0.464	northwest	3.2	Yes
12:30	0.432	0.664	0.431	0.842	0.575	0.290	0.487	0.462	northwest	2.8	Yes
12:40	0.432	0.665	0.429	0.843	0.574	0.290	0.487	0.464	northwest	3.1	Yes
12:50	0.431	0.664	0.431	0.842	0.574	0.291	0.486	0.463	northwest	2.3	Yes
13:00	0.432	0.666	0.431	0.841	0.574	0.290	0.486	0.463	north-northwest	3.9	Yes
13:10	0.433	0.664	0.431	0.840	0.575	0.293	0.485	0.463	northwest	3.7	Yes
13:20	0.431	0.664	0.431	0.843	0.574	0.291	0.485	0.463	northwest	3.0	Yes
13:30	0.431	0.664	0.432	0.840	0.577	0.289	0.485	0.463	northwest	4.0	Yes
13:40	0.430	0.665	0.430	0.840	0.575	0.291	0.486	0.463	north-northwest	3.5	Yes
13:50	0.430	0.665	0.429	0.839	0.576	0.289	0.487	0.464	north-northwest	2.0	No
14:00	0.430	0.667	0.429	0.839	0.576	0.289	0.485	0.464	north-northwest	1.6	Yes
14:10	0.431	0.667	0.429	0.840	0.575	0.289	0.485	0.464	north-northwest	1.7	No
14:20	0.431	0.666	0.429	0.838	0.577	0.289	0.485	0.464	north	1.2	No
14:30	0.429	0.666	0.430	0.839	0.576	0.288	0.487	0.464	north-northwest	0.8	No
14:40	0.430	0.665	0.430	0.838	0.574	0.288	0.485	0.466	north-northwest	1.0	No
14:50	0.430	0.664	0.429	0.838	0.574	0.288	0.486	0.466	north-northwest	0.9	No
15:00	0.428	0.666	0.428	0.837	0.575	0.287	0.485	0.465	-	CALM	No
15:10	0.427	0.665	0.428	0.837	0.575	0.288	0.486	0.462	-	CALM	No
15:20	0.427	0.667	0.428	0.839	0.575	0.287	0.486	0.464	-	CALM	No
15:30	0.428	0.665	0.429	0.839	0.574	0.286	0.486	0.464	north-northwest	0.8	No
15:40	0.429	0.667	0.428	0.838	0.574	0.288	0.486	0.465	north	0.6	No
15:50	0.429	0.665	0.429	0.837	0.575	0.287	0.487	0.464	north-northeast	0.7	No
16:00	0.427	0.665	0.427	0.838	0.575	0.288	0.486	0.464	north-northeast	0.6	No
16:10	0.426	0.668	0.428	0.840	0.574	0.287	0.486	0.464	north-northeast	0.8	No
16:20	0.428	0.666	0.428	0.840	0.575	0.287	0.486	0.464	northeast	1.0	Yes
16:30	0.428	0.667	0.430	0.840	0.576	0.287	0.487	0.464	-	CALM	Yes
16:40	0.429	0.668	0.429	0.840	0.574	0.288	0.487	0.465	-	CALM	Yes
16:50	0.431	0.671	0.430	0.839	0.576	0.289	0.486	0.464	north-northwest	0.6	Yes
17:00	0.430	0.669	0.430	0.841	0.575	0.288	0.487	0.464	-	CALM	No
17:10	0.431	0.671	0.429	0.840	0.574	0.289	0.487	0.465	north	0.8	No
17:20	0.430	0.670	0.430	0.839	0.576	0.288	0.487	0.466	north	0.9	No
17:30	0.430	0.670	0.429	0.838	0.577	0.289	0.487	0.466	north	1.1	No
17:40	0.431	0.669	0.430	0.839	0.576	0.289	0.488	0.466	north	1.7	No
17:50	0.430	0.670	0.430	0.839	0.576	0.289	0.488	0.467	north	2.2	No
18:00	0.430	0.670	0.427	0.838	0.575	0.289	0.486	0.467	north-northwest	2.0	No
18:10	0.430	0.670	0.430	0.841	0.575	0.289	0.488	0.465	northwest	1.0	No
18:20	0.430	0.670	0.431	0.840	0.575	0.289	0.488	0.466	north	1.1	No
18:30	0.430	0.671	0.430	0.838	0.575	0.288	0.487	0.466	north	1.8	No
18:40	0.430	0.669	0.430	0.840	0.576	0.288	0.488	0.465	north-northwest	1.1	No
18:50	0.431	0.670	0.430	0.839	0.576	0.289	0.490	0.467	northwest	0.9	No
19:00	0.431	0.671	0.429	0.839	0.575	0.288	0.487	0.465	northwest	0.8	No
19:10	0.430	0.670	0.428	0.839	0.577	0.289	0.489	0.465	-	CALM	No
19:20	0.429	0.669	0.429	0.839	0.576	0.289	0.488	0.466	west-northwest	0.7	No
19:30	0.431	0.668	0.429	0.839	0.576	0.290	0.489	0.466	west	0.9	No
19:40	0.432	0.672	0.430	0.841	0.575	0.291	0.488	0.467	west-northwest	0.6	No
19:50	0.429	0.672	0.429	0.839	0.576	0.290	0.489	0.465	west	0.7	No
20:00	0.429	0.671	0.429	0.840	0.575	0.289	0.488	0.465	west	0.8	No
20:10	0.429	0.669	0.430	0.839	0.576	0.289	0.487	0.465	west	0.7	No
20:20	0.430	0.670	0.430	0.839	0.576	0.289	0.489	0.465	-	CALM	No
20:30	0.430	0.670	0.428	0.838	0.576	0.290	0.488	0.465	west	0.8	No
20:40	0.430	0.670	0.430	0.840	0.576	0.290	0.487	0.466	west	0.8	No
20:50	0.431	0.670	0.428	0.840	0.579	0.290	0.488	0.466	-	CALM	No
21:00	0.430	0.671	0.429	0.841	0.577	0.291	0.488	0.465	-	CALM	No
21:10	0.430	0.670	0.428	0.841	0.576	0.291	0.489	0.466	-	CALM	No
21:20	0.430	0.671	0.429	0.839	0.575	0.290	0.488	0.465	-	CALM	No
21:30	0.430	0.671	0.429	0.840	0.577	0.289	0.487	0.466	-	CALM	No
21:40	0.429	0.671	0.430	0.840	0.577	0.290	0.487	0.467	west-southwest	0.8	No
21:50	0.430	0.672	0.431	0.841	0.576	0.290	0.487	0.466	west-southwest	1.1	No
22:00	0.430	0.671	0.429	0.840	0.577	0.290	0.488	0.466	west-southwest	0.9	No
22:10	0.429	0.671	0.430	0.841	0.575	0.290	0.488	0.466	-	CALM	No
22:20	0.430	0.671	0.430	0.840	0.576	0.290	0.489	0.466	south	0.8	No
22:30	0.429	0.670	0.431	0.840	0.575	0.290	0.489	0.466	east-southeast	0.6	No
22:40	0.432	0.671	0.431	0.840	0.576	0.290	0.487	0.467	east	0.6	No
22:50	0.430	0.670	0.430	0.841	0.576	0.291	0.488	0.466	east-southeast	0.7	No
23:00	0.429	0.672	0.431	0.841	0.577	0.291	0.488	0.468	-	CALM	No
23:10	0.430	0.671	0.430	0.842	0.576	0.290	0.489	0.466	-	CALM	No
23:20	0.431	0.671	0.430	0.841	0.576	0.290	0.488	0.467	southwest	0.7	No
23:30	0.430	0.671	0.430	0.843	0.578	0.291	0.488	0.466	-	CALM	No
23:40	0.430	0.671	0.429	0.841	0.577	0.289	0.489	0.468	-	CALM	No
23:50	0.429	0.671	0.429	0.838	0.576	0.291	0.487	0.465	-	CALM	No