radiation levels these one and a half months in Tokyo

date	Environmental radiation levels	Radioactive material level in tap water			Radioactive material level of fallout			Remarks
	μGy/h	131I Bq/kg	134Cs Bq/kg	137Cs Bq/kg	131I Bq/m2	134Cs Bq/m2	137Cs Bq/m2
04-29	0.0677	0.22	ND	ND	ND	ND	ND
04-28	0.0688	0.14	ND	ND	ND	ND	ND
04-27	0.0693	0.29	ND	ND	ND	ND	39	rain
04-26	0.0694	ND	ND	ND	ND	5.4	6.6
04-25	0.0697	0.24	0.32	ND	ND	ND	5.5	rain
04-24	0.0701	0.36	ND	ND	ND	5.0	5.4
04-23	0.0714	0.30	0.20	ND	ND	ND	ND	rain
04-22	0.0722	0.36	0.20	0.21	ND	ND	ND	rain
04-21	0.0723	0.26	ND	ND	ND	4.2	5.8
04-20	0.0728	0.19	ND	ND	20	19	21	rain
04-19	0.0754	0.29	0.21	ND	ND	26	30	rain
04-18	0.0752	0.22	0.21	ND	56	ND	ND	rain
04-17	0.0753	0.20	ND	ND	ND	13	15
04-16	0.0761	0.30	ND	ND	ND	4.3	6.3
04-15	0.0767	0.30	ND	ND	ND	5.1	4.8
04-14	0.0776	0.41	ND	ND	ND	ND	ND
04-13	0.0777	0.41	ND	0.26	ND	ND	ND
04-12	0.0777	0.57	ND	ND	ND	ND	4.0
04-11	0.0837	0.60	ND	0.27	100	160	170	rain
04-10	0.0827	0.71	ND	ND	3.0	4.1	5.2
04-09	0.0839	1.0	ND	0.26	19	4.5	7.9	rain
04-08	0.0848	0.89	0.24	0.24	8.9	10	12
04-07	0.0861	1.4	0.32	0.24	5.3	ND	ND
04-06	0.0873	1.6	0.29	0.21	6.2	9.9	10
04-05	0.0884	2.6	0.32	0.32	8.2	7.0	5.6
04-04	0.0895	3.8	0.32	0.27	17	5.2	5.9
04-03	0.0908	2.9	0.21	0.29	20	18	18
04-02	0.0947	2.0	ND	0.45	ND	4.0	8.0
04-01	0.0971	2.1	ND	0.45	ND	9.1	15
03-31	0.100	3.4	0.35	0.53	38	19	26
03-30	0.104	5.1	0.26	0.64	50	66	68
03-29	0.107	5.6	ND	0.51	21	ND	5.4
03-28	0.111	9.8	0.26	0.56	37	10	18
03-27	0.116	20	0.47	0.73	46	ND	5.5
03-26	0.122	37	0.78	1.0	100	31	36
03-25	0.130	32	0.92	1.2	220	13	12
03-24	0.137	26	1.0	1.4	170	34	37
03-23	0.146	26	0.62	0.87	13000	130	160	rain
03-22	0.137	19	0.34	0.31	36000	330	330	rain
03-21	0.0969	5.3	0.23	0.22	32000	5300	5300	rain
03-20	0.0457	2.9	ND	ND	2900	550	560	rain
03-19	0.0467	2.9	0.15	0.21	40	ND	ND
03-18	0.0484	1.5	ND	ND	51	ND	ND
03-17	0.0511
03-16	0.0719
03-15	0.109 (max 0.809)	the first wind from the exploded nuclear plant to Tokyo
03-14	0.0341
03-13	0.0343
03-12 (explosion)	0.0342
03-11	0.0341
03-10	0.0338
03-09	0.0343
03-08	0.0343
03-07	0.0366
03-06	0.0343
03-05	0.0339
03-04	0.0339
03-03	0.0340
03-02	0.0344
03-01	0.0368