监测项目
|
SO2
|
NO2
|
PM10
|
CO
|
O3(最大1小时平均)
|
O3(最大8小时平均)
|
PM2.5
|
AQI指数
|
空气质量指数类别
|
|
单位
|
ug/m3
|
ug/m3
|
ug/m3
|
ug/m3
|
ug/m3
|
ug/m3
|
ug/m3
|
/
|
/
|
|
2017/5/1
|
6
|
15
|
65
|
0.9
|
132
|
118
|
51
|
70
|
良
|
|
2017/5/2
|
5
|
11
|
55
|
0.7
|
133
|
116
|
44
|
64
|
良
|
|
2017/5/3
|
4
|
12
|
51
|
0.7
|
122
|
96
|
40
|
57
|
良
|
|
2017/5/4
|
4
|
7
|
24
|
0.8
|
133
|
124
|
18
|
70
|
良
|
|
2017/5/5
|
7
|
13
|
44
|
0.5
|
153
|
141
|
29
|
85
|
良
|
|
2017/5/6
|
8
|
12
|
288
|
0.6
|
119
|
114
|
72
|
169
|
中度污染
|
|
2017/5/7
|
5
|
11
|
173
|
0.6
|
90
|
68
|
56
|
112
|
轻度污染
|
|
2017/5/8
|
3
|
8
|
46
|
1
|
120
|
113
|
30
|
61
|
良
|
|
2017/5/9
|
6
|
18
|
42
|
0.7
|
199
|
173
|
31
|
112
|
轻度污染
|
|
2017/5/10
|
9
|
21
|
51
|
0.6
|
177
|
154
|
33
|
95
|
良
|
|
2017/5/11
|
7
|
16
|
51
|
0.7
|
133
|
105
|
39
|
55
|
良
|
|
2017/5/12
|
4
|
7
|
33
|
0.7
|
116
|
112
|
22
|
60
|
良
|
|
2017/5/13
|
7
|
16
|
49
|
1.1
|
161
|
152
|
26
|
94
|
良
|
|
2017/5/14
|
9
|
18
|
48
|
0.7
|
160
|
147
|
29
|
90
|
良
|
|
2017/5/15
|
5
|
12
|
80
|
0.6
|
133
|
115
|
58
|
79
|
良
|
|
2017/5/16
|
4
|
9
|
56
|
0.7
|
146
|
141
|
38
|
85
|
良
|
|
2017/5/17
|
8
|
25
|
57
|
0.6
|
204
|
191
|
38
|
129
|
轻度污染
|
|
2017/5/18
|
8
|
20
|
58
|
0.8
|
214
|
189
|
41
|
127
|
轻度污染
|
|
2017/5/19
|
8
|
22
|
55
|
1.1
|
104
|
94
|
44
|
62
|
良
|
|
2017/5/20
|
4
|
12
|
50
|
0.9
|
160
|
147
|
42
|
90
|
良
|
|
2017/5/21
|
5
|
17
|
51
|
0.7
|
102
|
81
|
41
|
58
|
良
|
|
2017/5/22
|
4
|
9
|
30
|
0.7
|
109
|
71
|
22
|
36
|
优
|
|
2017/5/23
|
4
|
6
|
26
|
0.6
|
92
|
88
|
18
|
44
|
优
|
|
2017/5/24
|
4
|
10
|
32
|
0.4
|
137
|
130
|
24
|
75
|
良
|
|
2017/5/25
|
7
|
16
|
48
|
0.4
|
143
|
139
|
34
|
83
|
良
|
|
2017/5/26
|
9
|
21
|
51
|
0.7
|
149
|
132
|
39
|
77
|
良
|
|
2017/5/27
|
11
|
26
|
52
|
1.2
|
230
|
209
|
35
|
145
|
轻度污染
|
|
2017/5/28
|
11
|
22
|
65
|
1.1
|
255
|
236
|
43
|
171
|
中度污染
|
|
2017/5/29
|
10
|
16
|
59
|
0.9
|
213
|
192
|
45
|
130
|
轻度污染
|
|
2017/5/30
|
14
|
18
|
71
|
0.9
|
167
|
155
|
56
|
96
|
良
|
|
2017/5/31
|
6
|
15
|
82
|
0.9
|
148
|
132
|
71
|
95
|
良
|
|
月均值
|
7
|
15
|
63
|
0.8
|
150
|
135
|
39
|
90
|
/
|
|
监测结论:本月我县开展了31天的环境空气质量监测,本月有效监测天数为31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6天,中度污染2天,其中5月6、7日首要污染物为PM10,5月9、17、18、27、28、29日首要污染物均为O3,其余23天空气质量指数类别为优良,优良率为74.19%。
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