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

○Information

○Measurement value list ： 2026/04/23(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	0.487	0.736	0.446	0.900	0.623	0.305	0.512	0.486	southwest	2.5	No
00:10	0.488	0.740	0.445	0.900	0.622	0.305	0.512	0.485	south	0.7	No
00:20	0.487	0.740	0.444	0.898	0.623	0.304	0.512	0.484	southeast	0.8	No
00:30	0.488	0.739	0.444	0.899	0.622	0.304	0.513	0.485	southeast	1.0	No
00:40	0.488	0.740	0.446	0.901	0.622	0.304	0.513	0.485	-	CALM	No
00:50	0.487	0.738	0.445	0.900	0.622	0.304	0.512	0.485	-	CALM	No
01:00	0.487	0.739	0.444	0.901	0.622	0.304	0.511	0.484	-	CALM	No
01:10	0.485	0.738	0.445	0.901	0.623	0.305	0.514	0.485	-	CALM	No
01:20	0.487	0.737	0.446	0.900	0.621	0.304	0.511	0.486	southwest	1.4	No
01:30	0.488	0.739	0.444	0.901	0.622	0.303	0.513	0.485	west-southwest	3.5	No
01:40	0.486	0.739	0.446	0.899	0.620	0.303	0.513	0.484	southwest	3.0	No
01:50	0.486	0.740	0.445	0.902	0.620	0.302	0.511	0.484	southwest	1.6	No
02:00	0.487	0.738	0.445	0.899	0.622	0.304	0.512	0.483	southwest	2.4	No
02:10	0.486	0.737	0.444	0.900	0.621	0.303	0.512	0.484	south-southwest	1.7	No
02:20	0.488	0.738	0.445	0.897	0.622	0.304	0.512	0.484	west-southwest	2.0	No
02:30	0.488	0.740	0.445	0.899	0.621	0.303	0.512	0.483	west-southwest	2.1	No
02:40	0.487	0.739	0.444	0.901	0.622	0.303	0.511	0.485	west-southwest	2.3	No
02:50	0.488	0.737	0.445	0.901	0.621	0.303	0.512	0.485	west-southwest	1.8	No
03:00	0.487	0.738	0.445	0.897	0.623	0.304	0.512	0.485	west-southwest	1.7	No
03:10	0.486	0.738	0.444	0.900	0.620	0.303	0.512	0.483	west-southwest	3.8	No
03:20	0.487	0.738	0.445	0.900	0.622	0.302	0.512	0.485	west-southwest	3.4	No
03:30	0.488	0.737	0.444	0.899	0.622	0.305	0.509	0.483	west-southwest	3.8	No
03:40	0.487	0.738	0.445	0.902	0.621	0.303	0.512	0.485	west-southwest	4.1	No
03:50	0.486	0.738	0.444	0.901	0.621	0.304	0.514	0.484	west-southwest	4.1	No
04:00	0.487	0.739	0.443	0.900	0.620	0.303	0.511	0.482	west-southwest	3.6	No
04:10	0.487	0.738	0.445	0.898	0.622	0.304	0.509	0.485	west-southwest	3.4	No
04:20	0.485	0.738	0.445	0.901	0.620	0.302	0.513	0.485	west-southwest	3.6	No
04:30	0.487	0.740	0.444	0.902	0.621	0.303	0.512	0.485	west-southwest	4.6	No
04:40	0.489	0.737	0.445	0.900	0.620	0.303	0.511	0.483	west-southwest	4.7	No
04:50	0.488	0.740	0.445	0.900	0.622	0.304	0.510	0.484	west	2.7	No
05:00	0.488	0.740	0.444	0.901	0.621	0.304	0.511	0.484	west	1.3	No
05:10	0.487	0.738	0.444	0.900	0.621	0.304	0.512	0.484	west-southwest	1.7	No
05:20	0.485	0.739	0.445	0.900	0.621	0.304	0.511	0.484	west-southwest	1.1	No
05:30	0.489	0.737	0.445	0.902	0.621	0.303	0.511	0.486	southwest	1.6	No
05:40	0.486	0.738	0.445	0.900	0.622	0.303	0.512	0.484	west-southwest	2.0	No
05:50	0.488	0.738	0.443	0.900	0.621	0.303	0.512	0.484	west	1.3	No
06:00	0.489	0.740	0.447	0.899	0.623	0.304	0.511	0.483	northwest	0.8	No
06:10	0.487	0.737	0.443	0.900	0.620	0.304	0.511	0.483	north-northwest	0.9	No
06:20	0.488	0.739	0.444	0.901	0.622	0.303	0.512	0.485	-	CALM	No
06:30	0.489	0.739	0.445	0.902	0.621	0.305	0.512	0.485	-	CALM	No
06:40	0.488	0.739	0.447	0.902	0.621	0.304	0.512	0.483	east-northeast	0.8	No
06:50	0.487	0.738	0.445	0.900	0.620	0.304	0.512	0.484	east	0.7	No
07:00	0.487	0.739	0.444	0.900	0.620	0.303	0.511	0.484	south	1.1	No
07:10	0.488	0.739	0.445	0.901	0.621	0.304	0.512	0.485	south-southwest	1.6	No
07:20	0.488	0.735	0.447	0.903	0.622	0.306	0.512	0.485	south-southwest	1.8	No
07:30	0.488	0.739	0.445	0.901	0.622	0.303	0.512	0.485	south-southwest	1.8	No
07:40	0.487	0.739	0.446	0.901	0.623	0.305	0.509	0.484	south-southwest	2.0	No
07:50	0.489	0.739	0.446	0.900	0.622	0.305	0.511	0.486	south-southwest	1.7	No
08:00	0.489	0.739	0.446	0.901	0.620	0.303	0.511	0.486	south	0.9	No
08:10	0.488	0.738	0.447	0.902	0.623	0.304	0.512	0.485	-	CALM	No
08:20	0.490	0.738	0.446	0.903	0.621	0.304	0.512	0.485	-	CALM	No
08:30	0.490	0.739	0.448	0.902	0.621	0.303	0.511	0.484	west-southwest	0.6	No
08:40	0.491	0.736	0.447	0.902	0.624	0.302	0.511	0.484	-	CALM	No
08:50	0.490	0.738	0.447	0.901	0.622	0.304	0.511	0.484	-	CALM	No
09:00	0.488	0.734	0.448	0.901	0.621	0.301	0.510	0.485	-	CALM	No
09:10	0.489	0.736	0.444	0.901	0.619	0.302	0.510	0.484	southeast	0.9	No
09:20	0.490	0.735	0.444	0.901	0.621	0.302	0.510	0.483	east-southeast	0.8	No
09:30	0.488	0.735	0.444	0.902	0.620	0.302	0.510	0.483	south-southeast	1.3	No
09:40	0.485	0.736	0.444	0.901	0.622	0.301	0.510	0.484	south-southeast	1.4	No
09:50	0.486	0.733	0.444	0.902	0.621	0.302	0.511	0.482	east-southeast	1.4	No
10:00	0.485	0.733	0.444	0.900	0.621	0.303	0.511	0.483	southeast	2.0	No
10:10	0.486	0.736	0.444	0.903	0.620	0.302	0.511	0.483	south-southeast	1.9	No
10:20	0.487	0.736	0.442	0.901	0.619	0.302	0.510	0.482	southeast	1.5	No
10:30	0.486	0.735	0.441	0.901	0.619	0.301	0.512	0.482	east-southeast	2.1	No
10:40	0.487	0.735	0.440	0.902	0.620	0.302	0.511	0.483	southeast	2.3	No
10:50	0.487	0.737	0.443	0.902	0.621	0.301	0.510	0.483	east-southeast	3.2	No
11:00	0.487	0.737	0.441	0.901	0.621	0.300	0.511	0.483	southeast	3.2	No
11:10	0.486	0.739	0.441	0.903	0.621	0.303	0.511	0.481	east-southeast	3.4	No
11:20	0.486	0.736	0.443	0.903	0.622	0.301	0.510	0.483	east	3.2	No
11:30	0.486	0.737	0.442	0.902	0.620	0.302	0.511	0.484	east-southeast	3.1	No
11:40	0.487	0.737	0.440	0.903	0.619	0.302	0.510	0.483	east-southeast	3.3	No
11:50	0.486	0.737	0.441	0.901	0.621	0.302	0.512	0.484	east-southeast	2.9	No
12:00	0.485	0.738	0.444	0.901	0.622	0.303	0.511	0.484	east-southeast	3.6	No
12:10	0.488	0.739	0.443	0.900	0.620	0.302	0.511	0.484	east	4.0	No
12:20	0.489	0.739	0.444	0.901	0.621	0.304	0.513	0.484	east-southeast	3.2	No
12:30	0.487	0.738	0.443	0.901	0.621	0.303	0.512	0.483	east-southeast	3.6	No
12:40	0.487	0.738	0.445	0.903	0.623	0.303	0.512	0.484	east-southeast	3.6	No
12:50	0.489	0.740	0.444	0.902	0.620	0.303	0.512	0.483	east-southeast	4.1	No
13:00	0.487	0.739	0.445	0.902	0.621	0.302	0.512	0.483	east-southeast	4.2	No
13:10	0.488	0.739	0.445	0.903	0.621	0.303	0.512	0.484	southeast	4.3	No
13:20	0.487	0.738	0.443	0.902	0.622	0.302	0.511	0.483	southeast	3.1	No
13:30	0.486	0.739	0.444	0.902	0.621	0.302	0.512	0.484	east-southeast	3.7	No
13:40	0.488	0.737	0.444	0.903	0.621	0.303	0.510	0.484	east-southeast	3.5	No
13:50	0.485	0.739	0.444	0.902	0.622	0.303	0.510	0.483	east-southeast	3.7	No
14:00	0.488	0.737	0.443	0.903	0.622	0.302	0.512	0.484	east	2.7	No
14:10	0.487	0.738	0.443	0.902	0.622	0.302	0.512	0.484	north-northeast	3.8	No
14:20	0.486	0.735	0.444	0.899	0.622	0.301	0.511	0.483	east-northeast	4.1	No
14:30	0.487	0.736	0.444	0.902	0.622	0.304	0.511	0.484	northeast	4.4	No
14:40	0.486	0.736	0.442	0.902	0.621	0.303	0.512	0.482	north-northeast	3.6	No
14:50	0.485	0.737	0.443	0.903	0.621	0.302	0.512	0.484	north-northeast	2.6	No
15:00	0.485	0.737	0.442	0.904	0.620	0.300	0.511	0.483	north-northeast	3.5	No
15:10	0.485	0.735	0.443	0.902	0.621	0.302	0.512	0.483	north-northeast	3.0	No
15:20	0.485	0.738	0.443	0.903	0.621	0.302	0.512	0.483	north-northeast	2.3	No
15:30	0.485	0.738	0.442	0.903	0.622	0.303	0.512	0.483	north-northeast	3.0	No
15:40	0.487	0.740	0.441	0.902	0.619	0.303	0.511	0.482	north	2.6	No
15:50	0.486	0.739	0.444	0.903	0.621	0.302	0.511	0.484	north	2.7	No
16:00	0.487	0.739	0.445	0.905	0.621	0.303	0.512	0.483	north	3.0	No
16:10	0.486	0.738	0.445	0.903	0.621	0.303	0.512	0.484	north-northwest	2.4	No
16:20	0.486	0.741	0.446	0.902	0.621	0.302	0.512	0.483	north-northwest	2.8	No
16:30	0.486	0.739	0.445	0.903	0.621	0.302	0.513	0.484	north-northwest	3.1	No
16:40	0.488	0.740	0.448	0.903	0.621	0.304	0.512	0.484	north-northwest	3.3	Yes
16:50	0.487	0.740	0.446	0.904	0.622	0.302	0.512	0.484	north-northwest	3.2	No
17:00	0.486	0.742	0.446	0.903	0.623	0.302	0.511	0.484	north-northwest	3.5	No
17:10	0.487	0.738	0.444	0.901	0.621	0.304	0.513	0.485	north-northwest	3.4	No
17:20	0.488	0.742	0.446	0.903	0.622	0.304	0.512	0.485	north-northwest	3.6	No
17:30	0.488	0.741	0.448	0.903	0.621	0.304	0.513	0.484	north-northwest	3.9	No
17:40	0.488	0.742	0.446	0.902	0.621	0.303	0.512	0.485	north	4.3	Yes
17:50	0.487	0.741	0.445	0.904	0.622	0.304	0.514	0.485	north	3.8	Yes
18:00	0.490	0.741	0.445	0.904	0.623	0.304	0.512	0.484	north	4.2	Yes
18:10	0.488	0.742	0.444	0.903	0.622	0.304	0.512	0.484	north	4.1	Yes
18:20	0.488	0.741	0.445	0.902	0.622	0.304	0.513	0.484	north-northwest	4.1	Yes
18:30	0.488	0.740	0.445	0.904	0.622	0.302	0.511	0.484	north-northwest	4.4	Yes
18:40	0.488	0.739	0.446	0.903	0.621	0.305	0.512	0.485	north	4.5	No
18:50	0.487	0.741	0.444	0.901	0.623	0.304	0.512	0.484	north	5.3	Yes
19:00	0.488	0.740	0.445	0.906	0.625	0.303	0.511	0.484	north-northwest	5.0	Yes
19:10	0.489	0.739	0.446	0.904	0.627	0.304	0.512	0.485	north-northwest	5.9	Yes
19:20	0.488	0.742	0.445	0.902	0.623	0.303	0.510	0.485	north-northwest	5.9	Yes
19:30	0.488	0.740	0.444	0.903	0.624	0.304	0.513	0.486	north-northwest	6.6	Yes
19:40	0.488	0.740	0.445	0.904	0.624	0.303	0.512	0.486	north-northwest	5.5	Yes
19:50	0.489	0.741	0.446	0.904	0.625	0.303	0.511	0.486	north-northwest	5.1	Yes
20:00	0.489	0.741	0.446	0.903	0.625	0.305	0.512	0.484	north-northwest	5.5	Yes
20:10	0.490	0.740	0.445	0.903	0.625	0.306	0.511	0.485	north-northwest	5.8	Yes
20:20	0.488	0.738	0.446	0.904	0.624	0.305	0.510	0.483	north-northwest	5.8	Yes
20:30	0.489	0.738	0.444	0.903	0.621	0.306	0.510	0.486	north-northwest	5.5	Yes
20:40	0.487	0.738	0.446	0.903	0.622	0.305	0.510	0.486	north-northwest	5.6	Yes
20:50	0.488	0.736	0.444	0.904	0.623	0.306	0.509	0.484	north-northwest	5.4	Yes
21:00	0.486	0.735	0.444	0.904	0.622	0.304	0.510	0.484	north-northwest	5.0	Yes
21:10	0.487	0.735	0.445	0.902	0.620	0.303	0.509	0.485	north-northwest	6.3	Yes
21:20	0.485	0.736	0.444	0.902	0.622	0.304	0.509	0.484	northwest	5.5	Yes
21:30	0.487	0.732	0.443	0.902	0.618	0.305	0.509	0.484	north-northwest	5.1	Yes
21:40	0.486	0.733	0.441	0.902	0.619	0.305	0.508	0.484	north-northwest	5.4	Yes
21:50	0.484	0.732	0.443	0.901	0.619	0.305	0.509	0.484	north-northwest	5.3	Yes
22:00	0.486	0.729	0.441	0.899	0.620	0.304	0.509	0.483	north-northwest	5.2	Yes
22:10	0.484	0.728	0.443	0.899	0.617	0.305	0.507	0.484	north-northwest	5.8	Yes
22:20	0.483	0.730	0.442	0.900	0.614	0.304	0.506	0.483	north-northwest	5.6	Yes
22:30	0.482	0.725	0.441	0.897	0.613	0.305	0.508	0.483	northwest	4.9	Yes
22:40	0.481	0.723	0.439	0.894	0.612	0.304	0.507	0.482	north-northwest	6.0	Yes
22:50	0.479	0.721	0.439	0.893	0.611	0.302	0.506	0.481	northwest	5.5	Yes
23:00	0.479	0.720	0.439	0.891	0.612	0.303	0.507	0.483	northwest	5.9	Yes
23:10	0.479	0.719	0.438	0.890	0.612	0.304	0.506	0.481	northwest	5.1	Yes
23:20	0.478	0.719	0.438	0.889	0.608	0.303	0.507	0.481	northwest	5.2	Yes
23:30	0.478	0.721	0.437	0.889	0.609	0.303	0.504	0.479	northwest	5.4	Yes
23:40	0.478	0.718	0.436	0.890	0.608	0.302	0.505	0.481	northwest	5.7	Yes
23:50	0.477	0.717	0.437	0.887	0.608	0.302	0.506	0.480	northwest	6.1	Yes