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

○Information

○Measurement value list ： 2026/08/21(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	0.438	0.693	0.440	0.828	0.576	0.298	0.490	0.467	southwest	1.9	No
00:10	0.438	0.694	0.438	0.827	0.574	0.297	0.489	0.468	west-southwest	1.9	No
00:20	0.438	0.693	0.441	0.829	0.576	0.297	0.489	0.468	southwest	1.2	No
00:30	0.437	0.694	0.439	0.826	0.576	0.297	0.489	0.468	northwest	1.2	No
00:40	0.438	0.693	0.440	0.826	0.576	0.298	0.489	0.468	north-northwest	1.2	No
00:50	0.437	0.694	0.438	0.827	0.576	0.297	0.489	0.466	west-northwest	1.5	No
01:00	0.437	0.694	0.437	0.827	0.574	0.296	0.489	0.469	northwest	1.7	No
01:10	0.439	0.694	0.440	0.827	0.574	0.297	0.489	0.468	west-northwest	3.5	No
01:20	0.438	0.692	0.440	0.828	0.576	0.297	0.488	0.467	northwest	3.9	No
01:30	0.439	0.695	0.442	0.829	0.577	0.299	0.491	0.469	northwest	3.6	No
01:40	0.438	0.694	0.442	0.826	0.576	0.297	0.489	0.469	northwest	3.0	No
01:50	0.439	0.693	0.440	0.826	0.576	0.298	0.489	0.469	northwest	3.4	No
02:00	0.439	0.693	0.441	0.827	0.577	0.298	0.490	0.468	north-northwest	1.7	No
02:10	0.439	0.693	0.440	0.828	0.576	0.298	0.491	0.467	north-northwest	2.2	No
02:20	0.439	0.694	0.441	0.828	0.575	0.299	0.490	0.467	north-northwest	2.0	No
02:30	0.439	0.695	0.440	0.828	0.577	0.298	0.489	0.469	north-northwest	1.8	No
02:40	0.439	0.695	0.440	0.827	0.577	0.299	0.489	0.470	north	2.0	No
02:50	0.440	0.696	0.441	0.827	0.575	0.298	0.490	0.468	north-northwest	2.0	No
03:00	0.438	0.695	0.440	0.827	0.576	0.297	0.490	0.468	north-northwest	2.3	No
03:10	0.438	0.695	0.441	0.828	0.576	0.298	0.489	0.469	north-northwest	2.5	No
03:20	0.439	0.693	0.441	0.827	0.577	0.297	0.489	0.468	north-northwest	2.2	No
03:30	0.438	0.693	0.441	0.827	0.576	0.297	0.489	0.469	north-northwest	2.0	No
03:40	0.438	0.695	0.440	0.827	0.575	0.297	0.489	0.467	north-northwest	1.8	No
03:50	0.439	0.694	0.439	0.829	0.576	0.298	0.490	0.467	north-northwest	1.8	No
04:00	0.437	0.693	0.441	0.828	0.577	0.297	0.488	0.468	-	-	No
04:10	0.438	0.693	0.439	0.827	0.578	0.296	0.491	0.468	north-northwest	1.9	No
04:20	0.439	0.695	0.438	0.828	0.578	0.296	0.488	0.468	northwest	2.2	No
04:30	0.437	0.693	0.438	0.828	0.577	0.297	0.489	0.469	northwest	2.3	Yes
04:40	0.438	0.694	0.438	0.827	0.574	0.296	0.490	0.468	northwest	2.4	Yes
04:50	0.439	0.693	0.439	0.829	0.576	0.295	0.490	0.471	north-northwest	2.1	Yes
05:00	0.438	0.694	0.438	0.827	0.578	0.296	0.488	0.469	north-northwest	1.6	Yes
05:10	0.439	0.694	0.437	0.826	0.577	0.295	0.489	0.468	north	1.8	Yes
05:20	0.437	0.694	0.437	0.828	0.575	0.296	0.491	0.467	north-northwest	2.3	Yes
05:30	0.437	0.693	0.437	0.828	0.575	0.296	0.489	0.468	north-northwest	2.4	No
05:40	0.439	0.694	0.436	0.830	0.576	0.297	0.489	0.467	north-northwest	2.5	No
05:50	0.437	0.694	0.435	0.828	0.575	0.296	0.490	0.468	north-northwest	2.7	No
06:00	0.437	0.692	0.436	0.829	0.573	0.297	0.489	0.468	north	2.0	No
06:10	0.439	0.693	0.435	0.827	0.575	0.296	0.489	0.469	north	2.2	Yes
06:20	0.438	0.693	0.437	0.829	0.576	0.296	0.489	0.468	north-northwest	1.0	Yes
06:30	0.439	0.695	0.436	0.829	0.577	0.296	0.489	0.468	north-northwest	1.9	No
06:40	0.438	0.693	0.437	0.829	0.576	0.297	0.488	0.467	north-northwest	1.6	No
06:50	0.438	0.694	0.437	0.828	0.576	0.296	0.489	0.468	northwest	1.8	Yes
07:00	0.438	0.693	0.437	0.829	0.576	0.298	0.489	0.468	northwest	1.1	Yes
07:10	0.439	0.692	0.438	0.829	0.576	0.297	0.488	0.467	west-northwest	1.1	Yes
07:20	0.439	0.692	0.439	0.829	0.576	0.296	0.489	0.467	northwest	1.3	Yes
07:30	0.438	0.693	0.437	0.828	0.575	0.296	0.490	0.467	-	-	No
07:40	0.439	0.693	0.437	0.830	0.577	0.298	0.488	0.468	west-northwest	1.2	No
07:50	0.436	0.693	0.438	0.827	0.575	0.296	0.488	0.467	west	0.9	No
08:00	0.438	0.692	0.437	0.827	0.577	0.298	0.488	0.469	west-northwest	0.7	No
08:10	0.439	0.692	0.437	0.827	0.574	0.297	0.488	0.468	north-northwest	0.7	No
08:20	0.439	0.694	0.436	0.828	0.573	0.297	0.489	0.467	-	CALM	No
08:30	0.439	0.697	0.439	0.829	0.575	0.295	0.491	0.469	north	0.9	Yes
08:40	0.439	0.694	0.438	0.828	0.574	0.297	0.490	0.469	north	0.9	Yes
08:50	0.440	0.693	0.438	0.828	0.574	0.297	0.491	0.468	northeast	0.8	Yes
09:00	0.439	0.695	0.438	0.826	0.577	0.297	0.489	0.469	-	CALM	Yes
09:10	0.438	0.692	0.438	0.829	0.577	0.297	0.488	0.470	north-northwest	1.1	Yes
09:20	0.440	0.695	0.438	0.827	0.576	0.297	0.489	0.469	north	1.0	Yes
09:30	0.439	0.693	0.437	0.830	0.577	0.297	0.491	0.468	northeast	1.6	Yes
09:40	0.438	0.693	0.439	0.828	0.576	0.298	0.489	0.467	northeast	1.3	Yes
09:50	0.438	0.692	0.440	0.829	0.576	0.300	0.491	0.469	north-northeast	1.5	Yes
10:00	0.439	0.692	0.438	0.828	0.575	0.298	0.490	0.468	north-northeast	2.9	Yes
10:10	0.439	0.693	0.437	0.827	0.576	0.296	0.488	0.468	north-northeast	2.3	Yes
10:20	0.440	0.693	0.441	0.829	0.574	0.296	0.489	0.468	north	1.7	Yes
10:30	0.439	0.693	0.438	0.828	0.575	0.294	0.491	0.468	north	2.4	Yes
10:40	0.439	0.694	0.438	0.829	0.574	0.296	0.490	0.468	northwest	1.6	Yes
10:50	0.439	0.694	0.439	0.828	0.573	0.297	0.490	0.468	north-northwest	1.6	Yes
11:00	0.439	0.695	0.438	0.827	0.574	0.296	0.489	0.468	north	1.2	Yes
11:10	0.437	0.694	0.438	0.828	0.574	0.296	0.489	0.467	northwest	0.7	Yes
11:20	0.439	0.692	0.439	0.829	0.576	0.296	0.488	0.468	-	CALM	Yes
11:30	0.438	0.695	0.438	0.828	0.575	0.296	0.489	0.468	east-northeast	1.1	Yes
11:40	0.437	0.693	0.440	0.828	0.575	0.296	0.490	0.469	east-southeast	0.9	Yes
11:50	0.437	0.693	0.440	0.829	0.576	0.295	0.491	0.468	south-southeast	1.4	Yes
12:00	0.439	0.693	0.437	0.828	0.574	0.295	0.489	0.468	east-southeast	1.3	Yes
12:10	0.439	0.691	0.439	0.827	0.575	0.295	0.489	0.467	east	1.8	Yes
12:20	0.438	0.692	0.438	0.829	0.576	0.298	0.490	0.468	east-southeast	1.0	Yes
12:30	0.436	0.692	0.440	0.829	0.575	0.297	0.489	0.468	east-southeast	1.5	Yes
12:40	0.436	0.690	0.439	0.827	0.576	0.297	0.490	0.468	southeast	1.5	Yes
12:50	0.437	0.692	0.439	0.827	0.577	0.296	0.489	0.467	southeast	1.6	Yes
13:00	0.438	0.693	0.440	0.829	0.576	0.296	0.490	0.468	east-southeast	1.6	No
13:10	0.438	0.691	0.439	0.829	0.575	0.296	0.489	0.469	east-southeast	2.0	No
13:20	0.438	0.691	0.439	0.828	0.576	0.296	0.490	0.467	east-southeast	1.6	No
13:30	0.439	0.693	0.440	0.829	0.575	0.295	0.490	0.468	southeast	2.0	No
13:40	0.439	0.692	0.439	0.826	0.576	0.296	0.491	0.468	south-southeast	1.9	No
13:50	0.439	0.692	0.439	0.829	0.576	0.296	0.491	0.470	southeast	2.4	No
14:00	0.437	0.691	0.439	0.828	0.575	0.296	0.490	0.467	east	2.4	No
14:10	0.436	0.693	0.440	0.828	0.576	0.296	0.491	0.468	east	2.4	No
14:20	0.436	0.693	0.438	0.829	0.575	0.295	0.490	0.465	east-northeast	3.5	No
14:30	0.438	0.693	0.440	0.827	0.576	0.295	0.488	0.468	east	3.1	No
14:40	0.438	0.694	0.437	0.829	0.576	0.296	0.488	0.467	east-northeast	2.5	No
14:50	0.437	0.693	0.440	0.830	0.576	0.295	0.489	0.466	east	3.1	No
15:00	0.436	0.694	0.438	0.828	0.576	0.295	0.488	0.468	east-southeast	2.7	No
15:10	0.435	0.692	0.438	0.827	0.576	0.295	0.489	0.467	east	2.3	No
15:20	0.437	0.690	0.438	0.826	0.576	0.295	0.488	0.467	east-southeast	2.3	No
15:30	0.437	0.695	0.439	0.827	0.577	0.296	0.489	0.467	east	2.3	No
15:40	0.438	0.693	0.439	0.828	0.576	0.295	0.488	0.466	east	2.5	No
15:50	0.437	0.695	0.437	0.828	0.577	0.295	0.488	0.466	east-southeast	2.1	No
16:00	0.437	0.694	0.439	0.826	0.575	0.296	0.489	0.466	southeast	1.8	No
16:10	0.437	0.693	0.438	0.827	0.574	0.295	0.489	0.467	east-southeast	1.7	No
16:20	0.436	0.694	0.437	0.829	0.576	0.296	0.488	0.467	east-southeast	0.9	No
16:30	0.440	0.693	0.438	0.827	0.574	0.296	0.488	0.466	south	1.2	No
16:40	0.438	0.694	0.437	0.828	0.575	0.296	0.489	0.465	south-southeast	0.9	Yes
16:50	0.438	0.695	0.440	0.827	0.577	0.295	0.490	0.466	south	1.4	Yes
17:00	0.437	0.693	0.438	0.830	0.579	0.296	0.489	0.467	south	1.3	Yes
17:10	0.437	0.689	0.435	0.825	0.574	0.297	0.489	0.466	south-southeast	1.2	Yes
17:20	0.435	0.682	0.431	0.816	0.571	0.296	0.488	0.465	-	CALM	Yes
17:30	0.433	0.677	0.433	0.813	0.571	0.296	0.487	0.465	southwest	0.8	Yes
17:40	0.430	0.675	0.432	0.810	0.569	0.296	0.487	0.465	-	CALM	Yes
17:50	0.430	0.673	0.432	0.810	0.567	0.296	0.485	0.462	west-southwest	1.0	Yes
18:00	0.430	0.670	0.431	0.808	0.568	0.296	0.485	0.463	west-southwest	1.4	Yes
18:10	0.429	0.672	0.431	0.806	0.569	0.296	0.485	0.464	southwest	1.3	No
18:20	0.429	0.672	0.431	0.807	0.566	0.294	0.486	0.465	southwest	1.6	No
18:30	0.429	0.673	0.430	0.806	0.566	0.294	0.484	0.463	south-southwest	1.6	No
18:40	0.428	0.671	0.430	0.805	0.564	0.294	0.484	0.462	southwest	2.1	No
18:50	0.426	0.670	0.430	0.803	0.564	0.294	0.484	0.464	south-southwest	2.5	No
19:00	0.428	0.671	0.428	0.804	0.563	0.294	0.484	0.463	south-southwest	2.7	No
19:10	0.425	0.669	0.430	0.805	0.563	0.294	0.485	0.464	south-southwest	3.6	Yes
19:20	0.424	0.669	0.429	0.803	0.565	0.294	0.484	0.461	south	3.7	Yes
19:30	0.425	0.669	0.427	0.804	0.563	0.293	0.485	0.462	south-southwest	4.6	No
19:40	0.426	0.671	0.428	0.803	0.562	0.293	0.484	0.462	south-southwest	4.3	No
19:50	0.424	0.669	0.425	0.805	0.561	0.293	0.483	0.464	south-southwest	3.9	No
20:00	0.422	0.668	0.425	0.805	0.561	0.294	0.484	0.462	south-southwest	3.9	No
20:10	0.423	0.670	0.426	0.802	0.562	0.292	0.484	0.462	south-southwest	4.1	No
20:20	0.425	0.670	0.427	0.804	0.562	0.293	0.484	0.463	south-southwest	4.9	No
20:30	0.423	0.670	0.426	0.805	0.561	0.292	0.485	0.462	southwest	4.7	No
20:40	0.422	0.668	0.426	0.805	0.561	0.292	0.484	0.463	southwest	4.6	No
20:50	0.423	0.668	0.426	0.806	0.562	0.291	0.485	0.462	southwest	4.8	No
21:00	0.422	0.670	0.426	0.805	0.561	0.293	0.484	0.463	southwest	4.7	No
21:10	0.423	0.669	0.428	0.804	0.561	0.292	0.485	0.463	southwest	4.3	No
21:20	0.423	0.668	0.425	0.804	0.560	0.292	0.483	0.462	southwest	4.0	No
21:30	0.423	0.669	0.427	0.804	0.561	0.294	0.484	0.464	southwest	3.7	No
21:40	0.424	0.670	0.426	0.804	0.562	0.293	0.485	0.462	west-southwest	2.6	No
21:50	0.424	0.668	0.426	0.804	0.563	0.293	0.484	0.464	west	2.4	No
22:00	0.425	0.670	0.427	0.803	0.561	0.294	0.484	0.463	west	2.9	No
22:10	0.424	0.670	0.427	0.804	0.562	0.293	0.484	0.463	west-northwest	2.3	No
22:20	0.425	0.673	0.428	0.805	0.561	0.295	0.485	0.464	northwest	1.5	No
22:30	0.427	0.673	0.429	0.804	0.562	0.293	0.484	0.464	north-northwest	3.0	No
22:40	0.425	0.673	0.430	0.804	0.561	0.293	0.486	0.464	north-northwest	3.9	No
22:50	0.424	0.672	0.429	0.806	0.563	0.294	0.485	0.464	north-northwest	3.5	No
23:00	0.426	0.671	0.430	0.807	0.563	0.294	0.484	0.463	north-northwest	3.9	No
23:10	0.426	0.672	0.429	0.806	0.564	0.294	0.486	0.465	north-northwest	4.8	No
23:20	0.425	0.672	0.428	0.807	0.563	0.294	0.485	0.464	north-northwest	4.9	No
23:30	0.426	0.672	0.428	0.806	0.564	0.293	0.484	0.464	north	4.8	No
23:40	0.426	0.671	0.428	0.807	0.564	0.294	0.485	0.464	north-northwest	3.7	No
23:50	0.426	0.673	0.429	0.804	0.565	0.294	0.486	0.464	north-northwest	3.6	No