湘阴县环境空气(自动站)监测结果表(9月)
湘阴县环境空气(自动站)监测结果表
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监测项目
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SO2
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NO2
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PM10
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CO
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O3(最大1小时平均)
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O3(最大8小时平均)
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PM2.5
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AQI指数
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评价等级
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单位
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ug/m3
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ug/m3
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ug/m3
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ug/m3
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ug/m3
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ug/m3
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ug/m3
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/
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/
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2016/9/1
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11
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14
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51
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0.9
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162
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147
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40
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90
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Ⅱ
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2016/9/2
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18
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18
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52
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0.6
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210
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182
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32
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120
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Ⅲ
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2016/9/3
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16
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22
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85
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0.5
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229
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207
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60
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143
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Ⅲ
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2016/9/4
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21
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24
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99
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0.7
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188
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178
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72
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117
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Ⅲ
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2016/9/5
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25
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15
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105
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0.9
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221
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204
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77
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140
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Ⅲ
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2016/9/6
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4
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10
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63
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0.8
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134
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120
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46
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67
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Ⅱ
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2016/9/7
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16
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12
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80
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0.7
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191
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145
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62
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88
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Ⅱ
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2016/9/8
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25
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20
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77
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0.8
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149
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138
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63
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85
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Ⅱ
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2016/9/9
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8
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13
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60
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0.6
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100
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92
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52
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72
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Ⅱ
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2016/9/10
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5
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10
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31
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0.7
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114
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102
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27
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52
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Ⅱ
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2016/9/11
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9
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15
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50
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0.6
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180
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158
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42
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99
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Ⅱ
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2016/9/12
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16
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22
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69
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0.8
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162
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148
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58
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90
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Ⅱ
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2016/9/13
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14
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26
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64
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0.7
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145
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136
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50
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80
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Ⅱ
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2016/9/14
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14
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17
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59
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0.5
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203
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164
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47
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104
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Ⅲ
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2016/9/15
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7
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18
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48
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0.7
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183
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159
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39
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100
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Ⅱ
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2016/9/16
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8
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11
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35
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0.9
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117
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107
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30
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56
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Ⅱ
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2016/9/17
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8
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18
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38
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0.8
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169
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124
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31
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70
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Ⅱ
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2016/9/18
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23
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19
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49
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0.6
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139
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122
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38
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69
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Ⅱ
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2016/9/19
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16
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15
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70
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0.7
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163
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142
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52
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85
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Ⅱ
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2016/9/20
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9
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19
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64
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0.7
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194
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141
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46
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85
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Ⅱ
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2016/9/21
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14
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19
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66
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0.7
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142
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130
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52
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75
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Ⅱ
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2016/9/22
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18
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32
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85
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0.9
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152
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145
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60
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88
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Ⅱ
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2016/9/23
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24
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28
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92
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0.7
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153
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145
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68
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92
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Ⅱ
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2016/9/24
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25
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28
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96
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0.7
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172
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152
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73
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98
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Ⅱ
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2016/9/25
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19
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27
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112
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0.8
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177
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156
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83
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110
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Ⅲ
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2016/9/26
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13
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17
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134
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0.8
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168
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125
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104
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137
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Ⅲ
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2016/9/27
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9
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11
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60
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0.9
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101
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92
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49
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68
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Ⅱ
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2016/9/28
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5
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8
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43
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0.6
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88
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77
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25
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43
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Ⅰ
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2016/9/29
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4
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7
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38
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0.7
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82
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80
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27
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40
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Ⅰ
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2016/9/30
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7
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9
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39
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0.7
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83
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81
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30
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43
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Ⅰ
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月均值
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14
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17
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67
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1
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156
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137
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51
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87
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/
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监测结论:本月我县开展了30天的环境空气质量监测,有效监测天数为30天。监测结果执行《环境空气质量标准》(GB3095-2012)表1中各污染物项目浓度限值二级标准。监测结果表明:本月我县环境空气质量指数类别轻度污染7天,其中9月2日、3日、4日、5日、14日首要污染物为O3,9月25日、26日首要污染物为PM2.5,其余23天空气质量指数类别为优良,优良率为76.67%。
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