Measurement results of radiation doses in the air / Measurement results by the day (Hachioji)

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)
Measurement time	Maximum value	Minimum value	Average value
Tue., 03 Feb.,2026	0.0412	0.0317	0.0356
Mon., 02 Feb.,2026	0.0408	0.0320	0.0361
Sun., 01 Feb.,2026	0.0398	0.0317	0.0356
Sat., 31 Jan.,2026	0.0402	0.0314	0.0358
Fri., 30 Jan.,2026	0.0394	0.0322	0.0355
Thu., 29 Jan.,2026	0.0394	0.0320	0.0356
Wed., 28 Jan.,2026	0.0407	0.0315	0.0358
Tue., 27 Jan.,2026	0.0400	0.0315	0.0356
Mon., 26 Jan.,2026	0.0390	0.0308	0.0351
Sun., 25 Jan.,2026	0.0395	0.0322	0.0356
Sat., 24 Jan.,2026	0.0389	0.0312	0.0352
Fri., 23 Jan.,2026	0.0390	0.0308	0.0352
Thu., 22 Jan.,2026	0.0390	0.0309	0.0353
Wed., 21 Jan.,2026	0.0391	0.0319	0.0353
Tue., 20 Jan.,2026	0.0402	0.0311	0.0355
Mon., 19 Jan.,2026	0.0382	0.0313	0.0346
Sun., 18 Jan.,2026	0.0396	0.0312	0.0352
Sat., 17 Jan.,2026	0.0398	0.0315	0.0353
Fri., 16 Jan.,2026	0.0384	0.0310	0.0347
Thu., 15 Jan.,2026	0.0393	0.0312	0.0348
Wed., 14 Jan.,2026	0.0385	0.0303	0.0345
Tue., 13 Jan.,2026	0.0402	0.0307	0.0349
Mon., 12 Jan.,2026	0.0384	0.0313	0.0347
Sun., 11 Jan.,2026	0.0377	0.0304	0.0342
Sat., 10 Jan.,2026	0.0394	0.0308	0.0347
Fri., 09 Jan.,2026	0.0400	0.0318	0.0354
Thu., 08 Jan.,2026	0.0395	0.0327	0.0357
Wed., 07 Jan.,2026	0.0385	0.0311	0.0351
Tue., 06 Jan.,2026	0.0391	0.0309	0.0348
Mon., 05 Jan.,2026	0.0386	0.0310	0.0349
Sun., 04 Jan.,2026	0.0383	0.0304	0.0346
Sat., 03 Jan.,2026	0.0385	0.0310	0.0347
Fri., 02 Jan.,2026	0.0513	0.0314	0.0365
Thu., 01 Jan.,2026	0.0393	0.0311	0.0351

Past data