Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
25
PM2.5
86
*
PM10
70
O3
0.4
CO
8
SO2
12
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
16 Nov
59
Good
Mon
17 Nov
62
Good
Tue
18 Nov
64
Good
Wed
19 Nov
66
Good
Thu
20 Nov
83
Good
Fri
21 Nov
73
Good
Sat
22 Nov
48
Excellent
Air quality in the last 12 months (Zhangjiachuan)
|
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
|
|
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
|
|
|
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