Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
25
PM2.5
110
*
PM10
71
O3
0.4
CO
5
SO2
8
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
12 Dec
98
Good
Sat
13 Dec
75
Good
Sun
14 Dec
65
Good
Mon
15 Dec
75
Good
Tue
16 Dec
83
Good
Wed
17 Dec
80
Good
Thu
18 Dec
22
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