Air Quality
Excellent
No health implications.
27
PM2.5
46
PM10
72
O3
0.4
CO
5
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Jun
81
Good
Fri
27 Jun
84
Good
Sat
28 Jun
92
Good
Sun
29 Jun
78
Good
Mon
30 Jun
75
Good
Tue
1 Jul
28
Excellent
Wed
2 Jul
22
Excellent
Air quality in the last 12 months (Zhang County)
|
2025/05
|
57
|
86
|
111
|
119
|
68
|
103
|
73
|
61
|
60
|
48
|
44
|
59
|
68
|
53
|
42
|
53
|
95
|
51
|
61
|
52
|
56
|
83
|
57
|
43
|
30
|
50
|
33
|
28
|
30
|
84
|
64
|
|
2025/04
|
99
|
96
|
80
|
100
|
87
|
64
|
51
|
87
|
104
|
72
|
104
|
373
|
117
|
72
|
62
|
117
|
73
|
220
|
138
|
92
|
98
|
87
|
56
|
54
|
55
|
40
|
54
|
54
|
56
|
87
|
|
|
2025/03
|
58
|
53
|
51
|
54
|
48
|
50
|
65
|
64
|
52
|
46
|
156
|
98
|
86
|
45
|
51
|
52
|
49
|
45
|
53
|
58
|
54
|
53
|
61
|
45
|
58
|
353
|
123
|
87
|
81
|
83
|
77
|
|
2025/02
|
56
|
58
|
51
|
48
|
50
|
48
|
58
|
64
|
61
|
53
|
75
|
81
|
67
|
66
|
59
|
60
|
58
|
48
|
62
|
54
|
47
|
51
|
49
|
48
|
53
|
50
|
47
|
51
|
|||
|
2025/01
|
69
|
71
|
73
|
68
|
70
|
64
|
59
|
67
|
65
|
61
|
64
|
67
|
64
|
68
|
65
|
59
|
61
|
68
|
71
|
72
|
73
|
74
|
76
|
75
|
65
|
70
|
75
|
85
|
119
|
73
|
61
|
|
2024/12
|
65
|
69
|
63
|
54
|
57
|
60
|
52
|
48
|
42
|
55
|
56
|
50
|
50
|
61
|
67
|
61
|
68
|
58
|
61
|
67
|
64
|
63
|
69
|
71
|
75
|
68
|
62
|
68
|
63
|
60
|
60
|
|
2024/11
|
46
|
43
|
52
|
54
|
51
|
42
|
38
|
36
|
49
|
51
|
51
|
51
|
56
|
46
|
52
|
41
|
42
|
32
|
39
|
50
|
53
|
45
|
41
|
40
|
43
|
53
|
58
|
64
|
61
|
65
|
|
|
2024/10
|
30
|
36
|
33
|
31
|
37
|
48
|
41
|
38
|
41
|
41
|
37
|
28
|
33
|
29
|
33
|
37
|
31
|
47
|
37
|
32
|
43
|
44
|
53
|
40
|
46
|
42
|
46
|
49
|
44
|
38
|
37
|
|
2024/09
|
47
|
36
|
34
|
25
|
21
|
27
|
26
|
32
|
27
|
26
|
25
|
29
|
24
|
30
|
29
|
27
|
29
|
30
|
28
|
36
|
28
|
36
|
39
|
36
|
31
|
28
|
40
|
48
|
32
|
29
|
|
|
2024/08
|
33
|
35
|
30
|
28
|
30
|
32
|
27
|
27
|
59
|
51
|
42
|
40
|
36
|
33
|
35
|
31
|
34
|
31
|
36
|
33
|
38
|
36
|
39
|
37
|
35
|
37
|
31
|
35
|
32
|
28
|
42
|
|
2024/07
|
31
|
35
|
34
|
31
|
39
|
46
|
28
|
22
|
40
|
52
|
42
|
54
|
33
|
28
|
19
|
25
|
29
|
28
|
23
|
24
|
134
|
38
|
31
|
102
|
71
|
57
|
49
|
41
|
31
|
31
|
33
|
|
2024/06
|
49
|
43
|
44
|
35
|
37
|
30
|
37
|
36
|
36
|
41
|
44
|
45
|
45
|
45
|
47
|
30
|
31
|
25
|
31
|
29
|
30
|
37
|
36
|
35
|
34
|
33
|
29
|
27
|
38
|
35
|
|
|
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