Location

Monitoring Values

Average

Reference Background Range

Conclusion

（local field）

Beijing

76.0-78.5

77.3

60.2 -119.9

Normal

Harbin

80.3-87.9

83.9

57.6-117.1

Normal

Changchun

79.7-84.9

82.4

70.8-147.4

Normal

Shenyang

75.3-77.3

76.2

61.6-91.2

Normal

Dalian

72.8-73.3

73.1

60.2-105.5

Normal

Dandong

91.9-94.1

92.6

95.7-204.5

Normal

Jinan

79.4-86.6

83

65.0-110.4

Normal

Qingdao

85.4-87.2

86.2

70.5-159.4

Normal

Yantai

70.8-72.4

71.3

55.2-133.6

Normal

Weihai

80.6-81.6

81.1

64.6-149.9

Normal

Lianyungang

87.1-91.8

89.2

62.1-99.5

Normal

Nanjing

67.8-73.6

69.8

64.9-102.1

Normal

Shanghai

89.9-91.0

90.3

54.9-108.2

Normal

Hangzhou

76.9-77.9

77.3

56.8-148.2

Normal

Ningbo

83.2-84.3

83.7

73.4-123.7

Normal

Wenzhou

86.0-89.4

86.9

70.2-177.1

Normal

Fuzhou

101.3-104.8

102.7

59.0-184.8

Normal

Shenzhen

107.8-115.6

109.6

53.3 -196.6

Normal

Guangzhou

106.6-109.2

108

69.3 -266.9

Normal

Haikou

77.4-77.8

77.5

53.5 -92.2

Normal

Hefei

105.5-106.4

106

56.7-94.1

Normal

Chasha

76.4-78.4

77.4

61.3-145.7

Normal

Chongqing

72.5-74.3

73.1

61.9-244.9

Normal

Nanning

69.1-85.5

75.7

34.8-183.4

Normal

Guilin

77.6-84.5

81.2

37.9-185.6

Normal

Urumqi

107.3-109.0

108.3

73.3-145.7

Normal

Lanzhou

91.6-102.1

95.2

84.1-154.6

Normal

Xining

106.4-115.2

109.1

103.8-204.2

Normal

Yinchuan

82.9-87.2

85

71.8-123.4

Normal

Lhasa

179.0-182.2

180.6

170.7-264.1

Normal

Baotou

106.5-109.1

107.4

73.5-118.6

Normal

Zhengzhou

84.3-90.3

87.5

69.3-91.0

Normal

Tianjin

77.0-94.0

84.9

65.5-129.2

Normal

Chengdu

93.9-95.3

94.5

58.3-324.3

Normal

Kunming

93.4-110.8

97.1

62.4-169.3

Normal

Wuhan

79.9-81.1

80.4

66.0-106.0

Normal

Xi'an

53.4-64.8

58.5

50.0-117.0

Normal

Guiyang

84.9-88.3

85.7

75.1-144.1

Normal

Shijiazhuang

96.0-101.2

98.4

62.1-100.4

Normal

Nanchang

76.5-77.8

77

62.9-170.9

Normal

Taiyuan

91.2-92.7

91.6

75.8-117.1

Normal