Air Quality
Excellent
No health implications.
8
PM2.5
38
PM10
128
O3
0.3
CO
8
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Oct
57
Good
Mon
2 Oct
49
Excellent
Tue
3 Oct
48
Excellent
Wed
4 Oct
48
Excellent
Thu
5 Oct
58
Good
Fri
6 Oct
58
Good
Sat
7 Oct
61
Good
Air quality in the last 12 months (Zhecheng)
|
2023/08
|
28
|
30
|
38
|
38
|
38
|
30
|
36
|
54
|
58
|
70
|
63
|
43
|
31
|
43
|
46
|
49
|
50
|
57
|
45
|
40
|
31
|
43
|
62
|
47
|
55
|
44
|
29
|
31
|
37
|
55
|
54
|
|
2023/07
|
59
|
42
|
22
|
31
|
49
|
40
|
35
|
57
|
42
|
31
|
36
|
32
|
25
|
48
|
66
|
58
|
60
|
38
|
29
|
23
|
26
|
31
|
37
|
40
|
44
|
39
|
34
|
21
|
16
|
17
|
25
|
|
2023/06
|
61
|
67
|
65
|
29
|
36
|
52
|
67
|
61
|
73
|
90
|
74
|
68
|
68
|
72
|
72
|
62
|
49
|
21
|
22
|
54
|
67
|
71
|
69
|
67
|
27
|
37
|
42
|
31
|
35
|
64
|
|
|
2023/05
|
98
|
73
|
35
|
19
|
21
|
57
|
51
|
47
|
49
|
44
|
48
|
53
|
63
|
64
|
60
|
55
|
40
|
66
|
44
|
58
|
102
|
47
|
55
|
42
|
44
|
52
|
50
|
12
|
29
|
32
|
49
|
|
2023/04
|
56
|
60
|
35
|
24
|
31
|
57
|
58
|
60
|
66
|
71
|
336
|
460
|
150
|
177
|
254
|
92
|
82
|
95
|
77
|
84
|
89
|
49
|
29
|
37
|
49
|
50
|
49
|
60
|
167
|
97
|
|
|
2023/03
|
119
|
91
|
92
|
94
|
89
|
74
|
73
|
104
|
102
|
68
|
215
|
89
|
90
|
72
|
131
|
86
|
37
|
48
|
71
|
87
|
108
|
136
|
468
|
139
|
87
|
102
|
102
|
89
|
71
|
65
|
55
|
|
2023/02
|
156
|
51
|
62
|
105
|
125
|
186
|
169
|
193
|
90
|
80
|
52
|
58
|
54
|
50
|
72
|
78
|
81
|
128
|
85
|
87
|
53
|
55
|
68
|
83
|
87
|
58
|
64
|
104
|
|||
|
2023/01
|
258
|
190
|
168
|
199
|
321
|
241
|
153
|
183
|
221
|
75
|
137
|
165
|
200
|
56
|
41
|
67
|
85
|
131
|
109
|
107
|
135
|
291
|
228
|
60
|
61
|
99
|
112
|
71
|
73
|
108
|
131
|
|
2022/12
|
63
|
65
|
79
|
69
|
68
|
85
|
92
|
126
|
240
|
184
|
56
|
95
|
120
|
81
|
104
|
68
|
73
|
56
|
115
|
183
|
109
|
74
|
79
|
58
|
74
|
108
|
152
|
214
|
270
|
264
|
204
|
|
2022/11
|
130
|
87
|
96
|
49
|
61
|
70
|
132
|
154
|
121
|
97
|
83
|
37
|
29
|
48
|
74
|
91
|
118
|
47
|
60
|
57
|
87
|
62
|
77
|
56
|
61
|
87
|
89
|
47
|
81
|
48
|
|
|
2022/10
|
65
|
59
|
40
|
12
|
18
|
26
|
33
|
42
|
49
|
45
|
52
|
63
|
53
|
67
|
97
|
113
|
54
|
54
|
65
|
70
|
73
|
117
|
117
|
90
|
86
|
70
|
54
|
58
|
66
|
87
|
105
|
|
2022/09
|
40
|
51
|
59
|
56
|
70
|
81
|
60
|
64
|
51
|
54
|
61
|
86
|
72
|
62
|
49
|
47
|
63
|
65
|
59
|
50
|
52
|
59
|
81
|
67
|
64
|
71
|
57
|
75
|
68
|
65
|
|
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution