Air Quality
Excellent
No health implications.
20
PM2.5
35
PM10
49
O3
0.3
CO
6
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 Jun
70
Good
Wed
4 Jun
69
Good
Thu
5 Jun
70
Good
Fri
6 Jun
69
Good
Sat
7 Jun
73
Good
Sun
8 Jun
74
Good
Mon
9 Jun
42
Excellent
Air quality in the last 12 months (Zhang County)
|
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
|
|
|
2024/05
|
43
|
29
|
29
|
49
|
58
|
63
|
60
|
46
|
44
|
48
|
58
|
58
|
55
|
45
|
42
|
59
|
67
|
54
|
52
|
61
|
48
|
47
|
53
|
47
|
52
|
54
|
48
|
38
|
32
|
46
|
68
|
|
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