Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
46
PM2.5
88
*
PM10
31
O3
0.7
CO
8
SO2
28
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
22 Dec
84
Good
Tue
23 Dec
62
Good
Wed
24 Dec
61
Good
Thu
25 Dec
64
Good
Fri
26 Dec
68
Good
Sat
27 Dec
70
Good
Sun
28 Dec
19
Excellent
Air quality in the last 12 months (Zhangjiachuan)
|
2025/11
|
58
|
57
|
54
|
47
|
64
|
53
|
78
|
68
|
68
|
64
|
60
|
56
|
58
|
59
|
53
|
61
|
48
|
40
|
48
|
61
|
61
|
57
|
62
|
74
|
57
|
133
|
109
|
70
|
66
|
76
|
|
|
2025/10
|
32
|
24
|
23
|
24
|
50
|
23
|
16
|
19
|
18
|
19
|
21
|
26
|
33
|
36
|
36
|
28
|
25
|
38
|
38
|
21
|
23
|
27
|
29
|
26
|
35
|
45
|
45
|
42
|
49
|
57
|
60
|
|
2025/09
|
32
|
52
|
60
|
43
|
51
|
56
|
51
|
39
|
41
|
37
|
23
|
30
|
35
|
33
|
58
|
55
|
28
|
20
|
20
|
23
|
20
|
21
|
24
|
36
|
40
|
48
|
36
|
34
|
45
|
47
|
|
|
2025/08
|
37
|
34
|
37
|
30
|
28
|
35
|
35
|
28
|
22
|
24
|
38
|
38
|
36
|
35
|
36
|
27
|
25
|
23
|
26
|
59
|
33
|
35
|
19
|
24
|
27
|
33
|
20
|
21
|
23
|
25
|
29
|
|
2025/07
|
26
|
25
|
17
|
19
|
24
|
26
|
21
|
21
|
24
|
31
|
27
|
32
|
33
|
28
|
39
|
42
|
40
|
31
|
58
|
29
|
24
|
30
|
29
|
23
|
20
|
20
|
26
|
29
|
34
|
28
|
36
|
|
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
|
|
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