Measurement results by the hour (Shinjuku) 23 Feb., 2015 - 1 Mar., 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., 01 Mar. 0.0353 0.0315 0.0335
22:01-23:00, Sun., 01 Mar. 0.0388 0.0330 0.0350
21:01-22:00, Sun., 01 Mar. 0.0426 0.0346 0.0375
20:01-21:00, Sun., 01 Mar. 0.0464 0.0382 0.0420
19:01-20:00, Sun., 01 Mar. 0.0469 0.0401 0.0433
18:01-19:00, Sun., 01 Mar. 0.0450 0.0388 0.0421
17:01-18:00, Sun., 01 Mar. 0.0437 0.0369 0.0409
16:01-17:00, Sun., 01 Mar. 0.0414 0.0358 0.0385
15:01-16:00, Sun., 01 Mar. 0.0420 0.0362 0.0386
14:01-15:00, Sun., 01 Mar. 0.0415 0.0356 0.0377
13:01-14:00, Sun., 01 Mar. 0.0403 0.0346 0.0367
12:01-13:00, Sun., 01 Mar. 0.0375 0.0334 0.0352
11:01-12:00, Sun., 01 Mar. 0.0371 0.0314 0.0344
10:01-11:00, Sun., 01 Mar. 0.0362 0.0315 0.0339
09:01-10:00, Sun., 01 Mar. 0.0353 0.0311 0.0333
08:01-09:00, Sun., 01 Mar. 0.0351 0.0322 0.0334
07:01-08:00, Sun., 01 Mar. 0.0359 0.0304 0.0333
06:01-07:00, Sun., 01 Mar. 0.0353 0.0309 0.0334
05:01-06:00, Sun., 01 Mar. 0.0370 0.0324 0.0343
04:01-05:00, Sun., 01 Mar. 0.0364 0.0320 0.0344
03:01-04:00, Sun., 01 Mar. 0.0348 0.0313 0.0330
02:01-03:00, Sun., 01 Mar. 0.0346 0.0306 0.0326
01:01-02:00, Sun., 01 Mar. 0.0344 0.0305 0.0326
00:01-01:00, Sun., 01 Mar. 0.0345 0.0307 0.0327
23:01-24:00, Sat., 28 Feb. 0.0354 0.0303 0.0326
22:01-23:00, Sat., 28 Feb. 0.0345 0.0306 0.0327
21:01-22:00, Sat., 28 Feb. 0.0344 0.0301 0.0325
20:01-21:00, Sat., 28 Feb. 0.0342 0.0297 0.0323
19:01-20:00, Sat., 28 Feb. 0.0354 0.0307 0.0327
18:01-19:00, Sat., 28 Feb. 0.0349 0.0306 0.0326
17:01-18:00, Sat., 28 Feb. 0.0338 0.0297 0.0322
16:01-17:00, Sat., 28 Feb. 0.0346 0.0305 0.0325
15:01-16:00, Sat., 28 Feb. 0.0347 0.0308 0.0329
14:01-15:00, Sat., 28 Feb. 0.0341 0.0307 0.0327
13:01-14:00, Sat., 28 Feb. 0.0353 0.0308 0.0328
12:01-13:00, Sat., 28 Feb. 0.0347 0.0310 0.0330
11:01-12:00, Sat., 28 Feb. 0.0350 0.0312 0.0332
10:01-11:00, Sat., 28 Feb. 0.0350 0.0303 0.0329
09:01-10:00, Sat., 28 Feb. 0.0349 0.0310 0.0328
08:01-09:00, Sat., 28 Feb. 0.0356 0.0309 0.0330
07:01-08:00, Sat., 28 Feb. 0.0349 0.0309 0.0328
06:01-07:00, Sat., 28 Feb. 0.0350 0.0315 0.0330
05:01-06:00, Sat., 28 Feb. 0.0355 0.0315 0.0330
04:01-05:00, Sat., 28 Feb. 0.0355 0.0320 0.0336
03:01-04:00, Sat., 28 Feb. 0.0351 0.0310 0.0331
02:01-03:00, Sat., 28 Feb. 0.0362 0.0313 0.0333
01:01-02:00, Sat., 28 Feb. 0.0356 0.0317 0.0336
00:01-01:00, Sat., 28 Feb. 0.0362 0.0315 0.0336
23:01-24:00, Fri., 27 Feb. 0.0368 0.0320 0.0341
22:01-23:00, Fri., 27 Feb. 0.0362 0.0318 0.0337
21:01-22:00, Fri., 27 Feb. 0.0356 0.0316 0.0336
20:01-21:00, Fri., 27 Feb. 0.0361 0.0311 0.0334
19:01-20:00, Fri., 27 Feb. 0.0360 0.0309 0.0335
18:01-19:00, Fri., 27 Feb. 0.0357 0.0308 0.0336
17:01-18:00, Fri., 27 Feb. 0.0359 0.0307 0.0335
16:01-17:00, Fri., 27 Feb. 0.0361 0.0317 0.0338
15:01-16:00, Fri., 27 Feb. 0.0354 0.0315 0.0337
14:01-15:00, Fri., 27 Feb. 0.0354 0.0315 0.0335
13:01-14:00, Fri., 27 Feb. 0.0369 0.0320 0.0337
12:01-13:00, Fri., 27 Feb. 0.0348 0.0314 0.0332
11:01-12:00, Fri., 27 Feb. 0.0358 0.0332 0.0344
10:01-11:00, Fri., 27 Feb. 0.0371 0.0318 0.0339
09:01-10:00, Fri., 27 Feb. 0.0360 0.0318 0.0340
08:01-09:00, Fri., 27 Feb. 0.0370 0.0311 0.0338
07:01-08:00, Fri., 27 Feb. 0.0358 0.0322 0.0340
06:01-07:00, Fri., 27 Feb. 0.0360 0.0317 0.0341
05:01-06:00, Fri., 27 Feb. 0.0358 0.0323 0.0339
04:01-05:00, Fri., 27 Feb. 0.0354 0.0313 0.0335
03:01-04:00, Fri., 27 Feb. 0.0352 0.0322 0.0340
02:01-03:00, Fri., 27 Feb. 0.0356 0.0310 0.0337
01:01-02:00, Fri., 27 Feb. 0.0353 0.0317 0.0337
00:01-01:00, Fri., 27 Feb. 0.0351 0.0314 0.0334
23:01-24:00, Thu., 26 Feb. 0.0350 0.0306 0.0334
22:01-23:00, Thu., 26 Feb. 0.0366 0.0318 0.0341
21:01-22:00, Thu., 26 Feb. 0.0399 0.0330 0.0360
20:01-21:00, Thu., 26 Feb. 0.0465 0.0369 0.0409
19:01-20:00, Thu., 26 Feb. 0.0441 0.0378 0.0411
18:01-19:00, Thu., 26 Feb. 0.0434 0.0357 0.0390
17:01-18:00, Thu., 26 Feb. 0.0451 0.0363 0.0404
16:01-17:00, Thu., 26 Feb. 0.0463 0.0377 0.0419
15:01-16:00, Thu., 26 Feb. 0.0451 0.0372 0.0416
14:01-15:00, Thu., 26 Feb. 0.0444 0.0365 0.0406
13:01-14:00, Thu., 26 Feb. 0.0419 0.0360 0.0390
12:01-13:00, Thu., 26 Feb. 0.0410 0.0359 0.0383
11:01-12:00, Thu., 26 Feb. 0.0389 0.0326 0.0357
10:01-11:00, Thu., 26 Feb. 0.0358 0.0314 0.0342
09:01-10:00, Thu., 26 Feb. 0.0364 0.0314 0.0342
08:01-09:00, Thu., 26 Feb. 0.0355 0.0317 0.0335
07:01-08:00, Thu., 26 Feb. 0.0350 0.0312 0.0333
06:01-07:00, Thu., 26 Feb. 0.0356 0.0318 0.0333
05:01-06:00, Thu., 26 Feb. 0.0361 0.0315 0.0334
04:01-05:00, Thu., 26 Feb. 0.0351 0.0311 0.0330
03:01-04:00, Thu., 26 Feb. 0.0350 0.0314 0.0330
02:01-03:00, Thu., 26 Feb. 0.0351 0.0316 0.0333
01:01-02:00, Thu., 26 Feb. 0.0356 0.0314 0.0332
00:01-01:00, Thu., 26 Feb. 0.0348 0.0314 0.0333
23:01-24:00, Wed., 25 Feb. 0.0359 0.0307 0.0334
22:01-23:00, Wed., 25 Feb. 0.0361 0.0314 0.0334
21:01-22:00, Wed., 25 Feb. 0.0352 0.0310 0.0334
20:01-21:00, Wed., 25 Feb. 0.0349 0.0315 0.0332
19:01-20:00, Wed., 25 Feb. 0.0350 0.0305 0.0331
18:01-19:00, Wed., 25 Feb. 0.0350 0.0312 0.0331
17:01-18:00, Wed., 25 Feb. 0.0349 0.0308 0.0333
16:01-17:00, Wed., 25 Feb. 0.0352 0.0313 0.0333
15:01-16:00, Wed., 25 Feb. 0.0349 0.0317 0.0333
14:01-15:00, Wed., 25 Feb. 0.0348 0.0311 0.0334
13:01-14:00, Wed., 25 Feb. 0.0351 0.0310 0.0333
12:01-13:00, Wed., 25 Feb. 0.0354 0.0303 0.0335
11:01-12:00, Wed., 25 Feb. 0.0353 0.0316 0.0337
10:01-11:00, Wed., 25 Feb. 0.0346 0.0310 0.0333
09:01-10:00, Wed., 25 Feb. 0.0356 0.0314 0.0336
08:01-09:00, Wed., 25 Feb. 0.0364 0.0309 0.0336
07:01-08:00, Wed., 25 Feb. 0.0348 0.0309 0.0330
06:01-07:00, Wed., 25 Feb. 0.0358 0.0309 0.0333
05:01-06:00, Wed., 25 Feb. 0.0363 0.0313 0.0334
04:01-05:00, Wed., 25 Feb. 0.0347 0.0315 0.0333
03:01-04:00, Wed., 25 Feb. 0.0354 0.0314 0.0330
02:01-03:00, Wed., 25 Feb. 0.0351 0.0320 0.0335
01:01-02:00, Wed., 25 Feb. 0.0347 0.0314 0.0332
00:01-01:00, Wed., 25 Feb. 0.0351 0.0316 0.0332
23:01-24:00, Tue., 24 Feb. 0.0356 0.0310 0.0332
22:01-23:00, Tue., 24 Feb. 0.0348 0.0305 0.0332
21:01-22:00, Tue., 24 Feb. 0.0361 0.0319 0.0336
20:01-21:00, Tue., 24 Feb. 0.0350 0.0310 0.0330
19:01-20:00, Tue., 24 Feb. 0.0356 0.0318 0.0331
18:01-19:00, Tue., 24 Feb. 0.0351 0.0308 0.0330
17:01-18:00, Tue., 24 Feb. 0.0354 0.0309 0.0331
16:01-17:00, Tue., 24 Feb. 0.0352 0.0315 0.0332
15:01-16:00, Tue., 24 Feb. 0.0357 0.0308 0.0335
14:01-15:00, Tue., 24 Feb. 0.0357 0.0310 0.0335
13:01-14:00, Tue., 24 Feb. 0.0356 0.0313 0.0335
12:01-13:00, Tue., 24 Feb. 0.0354 0.0315 0.0335
11:01-12:00, Tue., 24 Feb. 0.0352 0.0312 0.0332
10:01-11:00, Tue., 24 Feb. 0.0357 0.0310 0.0332
09:01-10:00, Tue., 24 Feb. 0.0355 0.0319 0.0336
08:01-09:00, Tue., 24 Feb. 0.0356 0.0316 0.0334
07:01-08:00, Tue., 24 Feb. 0.0354 0.0303 0.0333
06:01-07:00, Tue., 24 Feb. 0.0345 0.0301 0.0331
05:01-06:00, Tue., 24 Feb. 0.0350 0.0308 0.0331
04:01-05:00, Tue., 24 Feb. 0.0352 0.0312 0.0334
03:01-04:00, Tue., 24 Feb. 0.0355 0.0310 0.0330
02:01-03:00, Tue., 24 Feb. 0.0358 0.0310 0.0330
01:01-02:00, Tue., 24 Feb. 0.0345 0.0312 0.0331
00:01-01:00, Tue., 24 Feb. 0.0351 0.0307 0.0330
23:01-24:00, Mon., 23 Feb. 0.0347 0.0311 0.0331
22:01-23:00, Mon., 23 Feb. 0.0351 0.0315 0.0334
21:01-22:00, Mon., 23 Feb. 0.0357 0.0309 0.0334
20:01-21:00, Mon., 23 Feb. 0.0368 0.0320 0.0346
19:01-20:00, Mon., 23 Feb. 0.0439 0.0354 0.0385
18:01-19:00, Mon., 23 Feb. 0.0417 0.0330 0.0372
17:01-18:00, Mon., 23 Feb. 0.0351 0.0308 0.0333
16:01-17:00, Mon., 23 Feb. 0.0357 0.0313 0.0333
15:01-16:00, Mon., 23 Feb. 0.0352 0.0310 0.0335
14:01-15:00, Mon., 23 Feb. 0.0366 0.0319 0.0338
13:01-14:00, Mon., 23 Feb. 0.0355 0.0316 0.0333
12:01-13:00, Mon., 23 Feb. 0.0362 0.0326 0.0342
11:01-12:00, Mon., 23 Feb. 0.0363 0.0315 0.0337
10:01-11:00, Mon., 23 Feb. 0.0355 0.0321 0.0340
09:01-10:00, Mon., 23 Feb. 0.0356 0.0312 0.0335
08:01-09:00, Mon., 23 Feb. 0.0354 0.0319 0.0335
07:01-08:00, Mon., 23 Feb. 0.0349 0.0315 0.0335
06:01-07:00, Mon., 23 Feb. 0.0363 0.0324 0.0343
05:01-06:00, Mon., 23 Feb. 0.0385 0.0337 0.0357
04:01-05:00, Mon., 23 Feb. 0.0377 0.0327 0.0354
03:01-04:00, Mon., 23 Feb. 0.0359 0.0316 0.0341
02:01-03:00, Mon., 23 Feb. 0.0362 0.0313 0.0336
01:01-02:00, Mon., 23 Feb. 0.0365 0.0312 0.0334
00:01-01:00, Mon., 23 Feb. 0.0363 0.0318 0.0335