Air Quality
Excellent
No health implications.
22
PM2.5
34
PM10
51
O3
0.6
CO
8
SO2
22
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Jul
75
Good
Mon
14 Jul
76
Good
Tue
15 Jul
82
Good
Wed
16 Jul
87
Good
Thu
17 Jul
78
Good
Fri
18 Jul
45
Excellent
Sat
19 Jul
29
Excellent
Zhangjiachuan Air quality rank
Air quality in the last 12 months (Zhangjiachuan)
|
2025/06
|
39
|
41
|
41
|
32
|
38
|
41
|
36
|
39
|
40
|
42
|
46
|
45
|
38
|
58
|
70
|
45
|
44
|
35
|
46
|
40
|
31
|
28
|
27
|
30
|
25
|
26
|
22
|
31
|
33
|
18
|
|
|
2025/05
|
80
|
74
|
94
|
84
|
112
|
119
|
72
|
83
|
84
|
50
|
43
|
56
|
60
|
68
|
56
|
66
|
117
|
72
|
61
|
58
|
57
|
97
|
48
|
38
|
33
|
43
|
32
|
42
|
36
|
59
|
51
|
|
2025/04
|
102
|
95
|
87
|
110
|
89
|
74
|
51
|
94
|
104
|
76
|
170
|
365
|
100
|
64
|
53
|
121
|
76
|
222
|
135
|
74
|
115
|
107
|
64
|
56
|
58
|
44
|
48
|
48
|
61
|
105
|
|
|
2025/03
|
80
|
47
|
40
|
44
|
53
|
49
|
61
|
64
|
50
|
43
|
181
|
107
|
85
|
44
|
51
|
52
|
48
|
38
|
47
|
59
|
57
|
57
|
64
|
42
|
50
|
352
|
137
|
113
|
83
|
79
|
78
|
|
2025/02
|
94
|
65
|
39
|
47
|
51
|
54
|
85
|
69
|
62
|
53
|
73
|
86
|
68
|
53
|
55
|
76
|
67
|
58
|
76
|
76
|
82
|
67
|
49
|
60
|
62
|
52
|
44
|
51
|
|||
|
2025/01
|
71
|
63
|
79
|
68
|
59
|
64
|
56
|
51
|
57
|
57
|
67
|
67
|
62
|
59
|
52
|
63
|
80
|
69
|
64
|
61
|
73
|
88
|
148
|
166
|
68
|
79
|
74
|
89
|
132
|
104
|
89
|
|
2024/12
|
65
|
68
|
65
|
62
|
55
|
59
|
49
|
55
|
56
|
71
|
69
|
62
|
45
|
53
|
57
|
70
|
65
|
63
|
64
|
66
|
63
|
62
|
60
|
66
|
63
|
73
|
57
|
57
|
66
|
55
|
56
|
|
2024/11
|
45
|
41
|
48
|
52
|
51
|
50
|
62
|
67
|
66
|
57
|
52
|
66
|
61
|
45
|
61
|
50
|
38
|
27
|
38
|
48
|
48
|
51
|
71
|
44
|
46
|
51
|
61
|
63
|
48
|
62
|
|
|
2024/10
|
37
|
31
|
42
|
36
|
52
|
46
|
38
|
54
|
45
|
43
|
46
|
45
|
46
|
43
|
34
|
50
|
46
|
48
|
32
|
28
|
29
|
33
|
44
|
50
|
60
|
53
|
34
|
42
|
49
|
47
|
41
|
|
2024/09
|
42
|
38
|
34
|
37
|
18
|
26
|
18
|
31
|
25
|
27
|
32
|
38
|
26
|
28
|
38
|
35
|
39
|
41
|
37
|
37
|
30
|
37
|
48
|
50
|
30
|
28
|
68
|
79
|
38
|
25
|
|
|
2024/08
|
35
|
40
|
23
|
25
|
25
|
30
|
21
|
25
|
56
|
86
|
51
|
35
|
33
|
36
|
39
|
40
|
34
|
28
|
30
|
31
|
33
|
36
|
42
|
45
|
42
|
26
|
25
|
35
|
39
|
37
|
44
|
|
2024/07
|
32
|
32
|
25
|
26
|
55
|
45
|
21
|
24
|
32
|
32
|
31
|
44
|
29
|
28
|
21
|
18
|
19
|
22
|
25
|
21
|
80
|
25
|
21
|
94
|
74
|
50
|
48
|
40
|
29
|
33
|
33
|
|
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