Air Quality
Excellent
No health implications.
12
PM2.5
30
PM10
89
O3
0.5
CO
5
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Sep
51
Good
Mon
14 Sep
52
Good
Tue
15 Sep
55
Good
Wed
16 Sep
57
Good
Thu
17 Sep
56
Good
Fri
18 Sep
56
Good
Sat
19 Sep
48
Excellent
Air quality in the last 12 months (Zhang County)
|
2026/08
|
36
|
32
|
31
|
35
|
34
|
35
|
34
|
30
|
31
|
37
|
35
|
34
|
40
|
40
|
34
|
34
|
34
|
31
|
35
|
33
|
30
|
32
|
27
|
28
|
28
|
33
|
25
|
29
|
34
|
38
|
42
|
|
2026/07
|
44
|
36
|
39
|
37
|
40
|
42
|
39
|
42
|
43
|
34
|
23
|
27
|
26
|
30
|
35
|
36
|
38
|
48
|
39
|
42
|
41
|
40
|
45
|
46
|
47
|
40
|
32
|
29
|
31
|
56
|
30
|
|
2026/06
|
57
|
52
|
52
|
55
|
49
|
80
|
62
|
49
|
42
|
39
|
39
|
38
|
46
|
45
|
43
|
44
|
40
|
35
|
40
|
35
|
27
|
32
|
35
|
29
|
33
|
35
|
40
|
45
|
36
|
45
|
|
|
2026/05
|
34
|
50
|
45
|
45
|
47
|
72
|
59
|
44
|
47
|
58
|
54
|
48
|
36
|
104
|
56
|
35
|
33
|
38
|
40
|
39
|
90
|
106
|
49
|
34
|
52
|
69
|
64
|
51
|
49
|
50
|
64
|
|
2026/04
|
52
|
44
|
84
|
74
|
70
|
60
|
44
|
42
|
61
|
57
|
47
|
59
|
59
|
53
|
51
|
51
|
50
|
47
|
241
|
89
|
58
|
61
|
70
|
68
|
60
|
60
|
38
|
40
|
51
|
44
|
|
|
2026/03
|
60
|
57
|
63
|
72
|
81
|
64
|
57
|
43
|
39
|
45
|
45
|
75
|
157
|
70
|
79
|
69
|
52
|
70
|
76
|
72
|
74
|
83
|
84
|
70
|
56
|
42
|
53
|
49
|
42
|
34
|
47
|
|
2026/02
|
85
|
79
|
76
|
70
|
66
|
70
|
65
|
61
|
59
|
82
|
72
|
77
|
72
|
66
|
75
|
66
|
101
|
59
|
58
|
53
|
76
|
140
|
122
|
76
|
80
|
87
|
71
|
64
|
|||
|
2026/01
|
80
|
61
|
66
|
76
|
62
|
73
|
70
|
67
|
67
|
67
|
72
|
73
|
70
|
80
|
81
|
79
|
66
|
83
|
60
|
61
|
63
|
70
|
62
|
57
|
358
|
355
|
173
|
133
|
79
|
79
|
87
|
|
2025/12
|
74
|
68
|
61
|
69
|
70
|
68
|
74
|
69
|
73
|
74
|
68
|
82
|
71
|
69
|
78
|
83
|
70
|
63
|
73
|
44
|
54
|
65
|
56
|
61
|
55
|
61
|
72
|
82
|
78
|
75
|
72
|
|
2025/11
|
59
|
49
|
44
|
37
|
36
|
29
|
86
|
72
|
71
|
49
|
55
|
60
|
61
|
62
|
61
|
65
|
56
|
52
|
54
|
65
|
67
|
69
|
76
|
93
|
65
|
96
|
105
|
69
|
67
|
72
|
|
|
2025/10
|
30
|
29
|
32
|
38
|
53
|
27
|
31
|
24
|
28
|
27
|
28
|
34
|
39
|
43
|
42
|
43
|
31
|
45
|
44
|
36
|
27
|
32
|
31
|
34
|
43
|
47
|
53
|
49
|
56
|
61
|
66
|
|
2025/09
|
32
|
49
|
48
|
50
|
56
|
75
|
64
|
50
|
38
|
34
|
32
|
36
|
41
|
39
|
48
|
75
|
33
|
25
|
33
|
33
|
28
|
33
|
37
|
45
|
44
|
37
|
36
|
38
|
44
|
43
|
|
|
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