Radioactivity Value at Monitoring Stations in Ibaraki Prefecture


The data below is the average radioactivity value during a 10 minute period.

For reference:
**The air dose rate is displayed as nGy/h(nanogray/ hour) which is equal to the measurement of nSv/h(nanosievert/hour). The latter is used to measure the influence on humans.

1nGy/h(nanogray/hour) = 1nSv/h(nanosievert/hour)
**The radioactivity value of one chest x-ray is 50,000nSv (nanosievert)

**1000nSv(nanosievert) = 1ƒÊSv(microsievert) = 0.001mSv(millisievert)

May 23rd, 2012 - 1:30PM

Place of measurement

NaI dose rate nGy/h Wind Direction Wind Speed m/s

Tokai-mura Ishigami

89 ENE 8.8

Tokai-mura Toyooka

84 NE 8.9

Tokai-mura Funaishikawa

78 East 7.3

Tokai-mura Oshinobe

68 ENE 9.1

Tokai-mura Muramatsu

84 ENE 5.0

Naka-shi Yokobori

64 SE 7.7

Naka-shi Katobe

63 ENE 0.9

Naka-shi Sugaya

92 ENE 6.4

Naka-shi Motokomezaki

65 -- --

Naka-shi Nukada

67 -- --

Naka-shi Konosu

59 East 5.1

Naka-shi Godai

66 -- --

Naka-shi Urizura

66 -- --

Hitachinaka-shi Mawatari

under repair NE 6.6

Hitachinaka-shi Hitachinaka

124 ESE 4.8

Hitachinaka-shi Ajigaura

88 NE 5.7

Hitachinaka-shi Horiguchi

95 NE 4.7

Hitachinaka-shi Sawa

83 -- --

Hitachinaka-shi Yanagisawa

75 ENE 7.8

Hitachi-shi Kuji

124 NE 8.7

Hitachi-shi Onuma

105 NE 6.7

Hitachiota-shi Isobe

64 ENE 7.4

Hitachiota-shi Mayumi

57 -- --

Hitachiota-shi Kume

55 SE 4.0

Hitachiomiya-shi Nemoto

56 SE 5.1

Oarai-machi Onuki

86 NE 6.1

Oarai-machi Isohama

74 -- --

Hokota-shi Tsukuriya

115 NNE 6.9

Hokota-shi Araji

92 NNE 7.8

Hokota-shi Tasaki

82 -- --

Hokota-shi Momiyama

104 -- --

Hokota-shi Kamitomita

83 -- --

Hokota-shi Tokushuku

79 ENE 6.0

Ibaraki-machi Hiroura

99 NE 6.4

Ibaraki-machi Ebisawa

79 East 3.3

Ibaraki-machi Yatabe

70 -- --

Mito-shi Yoshizawa

59 ENE 6.8

Mito-shi Oba

71 ENE 2.9

Mito-shi Ishikawa

73 East 6.3

Mitsubishi Nuclear Fuel Co.(Tokai-mura)

61 -- --

Nuclear Fuel Plant (Tokai-mura)

103 -- --