Measurement results by the hour (Shinjuku) 20 Apr., 2015 - 26 Apr., 2015

Shown in µGy/h (microgray per hour)

Gray indicates an amount of energy (absorbed dose) when radiation hits a material object, and 1 gray (Gy) of radiation doses in the air can be converted to 1 sievert (Sv).

Measurement time Dose rate
μGy/h (microgray per hour)
Maximum value Minimum value Average value
23:01-24:00, Sun., 26 Apr. 0.0350 0.0305 0.0326
22:01-23:00, Sun., 26 Apr. 0.0340 0.0305 0.0326
21:01-22:00, Sun., 26 Apr. 0.0349 0.0306 0.0328
20:01-21:00, Sun., 26 Apr. 0.0348 0.0307 0.0325
19:01-20:00, Sun., 26 Apr. 0.0347 0.0302 0.0327
18:01-19:00, Sun., 26 Apr. 0.0344 0.0305 0.0325
17:01-18:00, Sun., 26 Apr. 0.0347 0.0310 0.0326
16:01-17:00, Sun., 26 Apr. 0.0349 0.0310 0.0326
15:01-16:00, Sun., 26 Apr. 0.0351 0.0310 0.0326
14:01-15:00, Sun., 26 Apr. 0.0344 0.0310 0.0329
13:01-14:00, Sun., 26 Apr. 0.0348 0.0306 0.0327
12:01-13:00, Sun., 26 Apr. 0.0347 0.0304 0.0328
11:01-12:00, Sun., 26 Apr. 0.0348 0.0308 0.0326
10:01-11:00, Sun., 26 Apr. 0.0354 0.0310 0.0331
09:01-10:00, Sun., 26 Apr. 0.0347 0.0308 0.0330
08:01-09:00, Sun., 26 Apr. 0.0356 0.0307 0.0330
07:01-08:00, Sun., 26 Apr. 0.0349 0.0311 0.0332
06:01-07:00, Sun., 26 Apr. 0.0354 0.0305 0.0330
05:01-06:00, Sun., 26 Apr. 0.0361 0.0304 0.0327
04:01-05:00, Sun., 26 Apr. 0.0353 0.0307 0.0327
03:01-04:00, Sun., 26 Apr. 0.0350 0.0309 0.0326
02:01-03:00, Sun., 26 Apr. 0.0341 0.0305 0.0325
01:01-02:00, Sun., 26 Apr. 0.0348 0.0305 0.0326
00:01-01:00, Sun., 26 Apr. 0.0339 0.0311 0.0325
23:01-24:00, Sat., 25 Apr. 0.0342 0.0307 0.0324
22:01-23:00, Sat., 25 Apr. 0.0343 0.0303 0.0326
21:01-22:00, Sat., 25 Apr. 0.0346 0.0302 0.0327
20:01-21:00, Sat., 25 Apr. 0.0345 0.0302 0.0326
19:01-20:00, Sat., 25 Apr. 0.0344 0.0311 0.0327
18:01-19:00, Sat., 25 Apr. 0.0352 0.0303 0.0326
17:01-18:00, Sat., 25 Apr. 0.0338 0.0299 0.0325
16:01-17:00, Sat., 25 Apr. 0.0354 0.0305 0.0326
15:01-16:00, Sat., 25 Apr. 0.0353 0.0311 0.0327
14:01-15:00, Sat., 25 Apr. 0.0350 0.0305 0.0328
13:01-14:00, Sat., 25 Apr. 0.0347 0.0307 0.0327
12:01-13:00, Sat., 25 Apr. 0.0349 0.0308 0.0329
11:01-12:00, Sat., 25 Apr. 0.0347 0.0308 0.0329
10:01-11:00, Sat., 25 Apr. 0.0351 0.0312 0.0330
09:01-10:00, Sat., 25 Apr. 0.0349 0.0312 0.0332
08:01-09:00, Sat., 25 Apr. 0.0348 0.0314 0.0332
07:01-08:00, Sat., 25 Apr. 0.0352 0.0308 0.0330
06:01-07:00, Sat., 25 Apr. 0.0357 0.0304 0.0331
05:01-06:00, Sat., 25 Apr. 0.0350 0.0309 0.0328
04:01-05:00, Sat., 25 Apr. 0.0349 0.0313 0.0330
03:01-04:00, Sat., 25 Apr. 0.0351 0.0311 0.0328
02:01-03:00, Sat., 25 Apr. 0.0351 0.0308 0.0328
01:01-02:00, Sat., 25 Apr. 0.0349 0.0313 0.0328
00:01-01:00, Sat., 25 Apr. 0.0356 0.0308 0.0329
23:01-24:00, Fri., 24 Apr. 0.0358 0.0306 0.0327
22:01-23:00, Fri., 24 Apr. 0.0356 0.0304 0.0327
21:01-22:00, Fri., 24 Apr. 0.0346 0.0303 0.0326
20:01-21:00, Fri., 24 Apr. 0.0349 0.0301 0.0324
19:01-20:00, Fri., 24 Apr. 0.0359 0.0301 0.0323
18:01-19:00, Fri., 24 Apr. 0.0344 0.0309 0.0325
17:01-18:00, Fri., 24 Apr. 0.0347 0.0299 0.0327
16:01-17:00, Fri., 24 Apr. 0.0353 0.0293 0.0322
15:01-16:00, Fri., 24 Apr. 0.0341 0.0306 0.0326
14:01-15:00, Fri., 24 Apr. 0.0346 0.0307 0.0324
13:01-14:00, Fri., 24 Apr. 0.0341 0.0309 0.0324
12:01-13:00, Fri., 24 Apr. 0.0346 0.0308 0.0326
11:01-12:00, Fri., 24 Apr. 0.0348 0.0300 0.0325
10:01-11:00, Fri., 24 Apr. 0.0346 0.0305 0.0327
09:01-10:00, Fri., 24 Apr. 0.0346 0.0303 0.0325
08:01-09:00, Fri., 24 Apr. 0.0353 0.0303 0.0327
07:01-08:00, Fri., 24 Apr. 0.0343 0.0298 0.0326
06:01-07:00, Fri., 24 Apr. 0.0349 0.0311 0.0327
05:01-06:00, Fri., 24 Apr. 0.0338 0.0297 0.0324
04:01-05:00, Fri., 24 Apr. 0.0344 0.0308 0.0323
03:01-04:00, Fri., 24 Apr. 0.0346 0.0306 0.0326
02:01-03:00, Fri., 24 Apr. 0.0341 0.0305 0.0324
01:01-02:00, Fri., 24 Apr. 0.0351 0.0300 0.0326
00:01-01:00, Fri., 24 Apr. 0.0346 0.0306 0.0326
23:01-24:00, Thu., 23 Apr. 0.0344 0.0301 0.0325
22:01-23:00, Thu., 23 Apr. 0.0352 0.0307 0.0325
21:01-22:00, Thu., 23 Apr. 0.0349 0.0309 0.0327
20:01-21:00, Thu., 23 Apr. 0.0346 0.0300 0.0324
19:01-20:00, Thu., 23 Apr. 0.0347 0.0303 0.0327
18:01-19:00, Thu., 23 Apr. 0.0343 0.0304 0.0327
17:01-18:00, Thu., 23 Apr. 0.0349 0.0311 0.0327
16:01-17:00, Thu., 23 Apr. 0.0347 0.0307 0.0326
15:01-16:00, Thu., 23 Apr. 0.0349 0.0312 0.0330
14:01-15:00, Thu., 23 Apr. 0.0346 0.0307 0.0329
13:01-14:00, Thu., 23 Apr. 0.0343 0.0305 0.0328
12:01-13:00, Thu., 23 Apr. 0.0352 0.0308 0.0330
11:01-12:00, Thu., 23 Apr. 0.0353 0.0310 0.0331
10:01-11:00, Thu., 23 Apr. 0.0346 0.0303 0.0325
09:01-10:00, Thu., 23 Apr. 0.0348 0.0314 0.0331
08:01-09:00, Thu., 23 Apr. 0.0354 0.0305 0.0330
07:01-08:00, Thu., 23 Apr. 0.0356 0.0309 0.0332
06:01-07:00, Thu., 23 Apr. 0.0357 0.0311 0.0332
05:01-06:00, Thu., 23 Apr. 0.0348 0.0309 0.0329
04:01-05:00, Thu., 23 Apr. 0.0346 0.0306 0.0328
03:01-04:00, Thu., 23 Apr. 0.0345 0.0308 0.0326
02:01-03:00, Thu., 23 Apr. 0.0342 0.0302 0.0323
01:01-02:00, Thu., 23 Apr. 0.0344 0.0307 0.0324
00:01-01:00, Thu., 23 Apr. 0.0347 0.0311 0.0329
23:01-24:00, Wed., 22 Apr. 0.0355 0.0310 0.0333
22:01-23:00, Wed., 22 Apr. 0.0380 0.0327 0.0350
21:01-22:00, Wed., 22 Apr. 0.0360 0.0312 0.0343
20:01-21:00, Wed., 22 Apr. 0.0368 0.0320 0.0343
19:01-20:00, Wed., 22 Apr. 0.0394 0.0338 0.0356
18:01-19:00, Wed., 22 Apr. 0.0368 0.0322 0.0344
17:01-18:00, Wed., 22 Apr. 0.0347 0.0308 0.0327
16:01-17:00, Wed., 22 Apr. 0.0350 0.0304 0.0326
15:01-16:00, Wed., 22 Apr. 0.0352 0.0305 0.0326
14:01-15:00, Wed., 22 Apr. 0.0358 0.0305 0.0324
13:01-14:00, Wed., 22 Apr. 0.0345 0.0308 0.0328
12:01-13:00, Wed., 22 Apr. 0.0348 0.0308 0.0329
11:01-12:00, Wed., 22 Apr. 0.0345 0.0311 0.0328
10:01-11:00, Wed., 22 Apr. 0.0348 0.0307 0.0330
09:01-10:00, Wed., 22 Apr. 0.0353 0.0304 0.0330
08:01-09:00, Wed., 22 Apr. 0.0350 0.0311 0.0328
07:01-08:00, Wed., 22 Apr. 0.0343 0.0310 0.0328
06:01-07:00, Wed., 22 Apr. 0.0352 0.0302 0.0326
05:01-06:00, Wed., 22 Apr. 0.0346 0.0304 0.0326
04:01-05:00, Wed., 22 Apr. 0.0346 0.0307 0.0325
03:01-04:00, Wed., 22 Apr. 0.0350 0.0306 0.0327
02:01-03:00, Wed., 22 Apr. 0.0352 0.0301 0.0323
01:01-02:00, Wed., 22 Apr. 0.0344 0.0309 0.0325
00:01-01:00, Wed., 22 Apr. 0.0339 0.0303 0.0323
23:01-24:00, Tue., 21 Apr. 0.0350 0.0304 0.0325
22:01-23:00, Tue., 21 Apr. 0.0350 0.0300 0.0327
21:01-22:00, Tue., 21 Apr. 0.0347 0.0303 0.0328
20:01-21:00, Tue., 21 Apr. 0.0347 0.0303 0.0327
19:01-20:00, Tue., 21 Apr. 0.0353 0.0309 0.0328
18:01-19:00, Tue., 21 Apr. 0.0354 0.0305 0.0325
17:01-18:00, Tue., 21 Apr. 0.0350 0.0304 0.0326
16:01-17:00, Tue., 21 Apr. 0.0349 0.0308 0.0331
15:01-16:00, Tue., 21 Apr. 0.0351 0.0305 0.0330
14:01-15:00, Tue., 21 Apr. 0.0349 0.0303 0.0329
13:01-14:00, Tue., 21 Apr. 0.0349 0.0302 0.0332
12:01-13:00, Tue., 21 Apr. 0.0359 0.0317 0.0335
11:01-12:00, Tue., 21 Apr. 0.0365 0.0314 0.0336
10:01-11:00, Tue., 21 Apr. 0.0363 0.0312 0.0339
09:01-10:00, Tue., 21 Apr. 0.0351 0.0314 0.0332
08:01-09:00, Tue., 21 Apr. 0.0351 0.0316 0.0333
07:01-08:00, Tue., 21 Apr. 0.0352 0.0298 0.0333
06:01-07:00, Tue., 21 Apr. 0.0346 0.0311 0.0327
05:01-06:00, Tue., 21 Apr. 0.0351 0.0298 0.0326
04:01-05:00, Tue., 21 Apr. 0.0351 0.0311 0.0328
03:01-04:00, Tue., 21 Apr. 0.0352 0.0309 0.0330
02:01-03:00, Tue., 21 Apr. 0.0340 0.0295 0.0320
01:01-02:00, Tue., 21 Apr. 0.0340 0.0308 0.0323
00:01-01:00, Tue., 21 Apr. 0.0340 0.0308 0.0324
23:01-24:00, Mon., 20 Apr. 0.0347 0.0310 0.0327
22:01-23:00, Mon., 20 Apr. 0.0351 0.0308 0.0328
21:01-22:00, Mon., 20 Apr. 0.0352 0.0317 0.0332
20:01-21:00, Mon., 20 Apr. 0.0349 0.0315 0.0333
19:01-20:00, Mon., 20 Apr. 0.0349 0.0312 0.0329
18:01-19:00, Mon., 20 Apr. 0.0360 0.0312 0.0332
17:01-18:00, Mon., 20 Apr. 0.0354 0.0312 0.0331
16:01-17:00, Mon., 20 Apr. 0.0346 0.0309 0.0327
15:01-16:00, Mon., 20 Apr. 0.0352 0.0307 0.0328
14:01-15:00, Mon., 20 Apr. 0.0355 0.0308 0.0329
13:01-14:00, Mon., 20 Apr. 0.0360 0.0314 0.0334
12:01-13:00, Mon., 20 Apr. 0.0355 0.0306 0.0332
11:01-12:00, Mon., 20 Apr. 0.0359 0.0323 0.0341
10:01-11:00, Mon., 20 Apr. 0.0360 0.0314 0.0336
09:01-10:00, Mon., 20 Apr. 0.0343 0.0311 0.0326
08:01-09:00, Mon., 20 Apr. 0.0349 0.0305 0.0328
07:01-08:00, Mon., 20 Apr. 0.0349 0.0302 0.0326
06:01-07:00, Mon., 20 Apr. 0.0347 0.0295 0.0323
05:01-06:00, Mon., 20 Apr. 0.0349 0.0301 0.0327
04:01-05:00, Mon., 20 Apr. 0.0339 0.0309 0.0324
03:01-04:00, Mon., 20 Apr. 0.0347 0.0306 0.0326
02:01-03:00, Mon., 20 Apr. 0.0342 0.0306 0.0327
01:01-02:00, Mon., 20 Apr. 0.0347 0.0311 0.0328
00:01-01:00, Mon., 20 Apr. 0.0348 0.0313 0.0330