Air Quality
Excellent
No health implications.
7
PM2.5
24
PM10
64
O3
0.5
CO
6
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 Sep
52
Good
Fri
12 Sep
48
Excellent
Sat
13 Sep
52
Good
Sun
14 Sep
54
Good
Mon
15 Sep
55
Good
Tue
16 Sep
53
Good
Wed
17 Sep
43
Excellent
Air quality in the last 12 months (Jiuzhaigou)
|
2025/08
|
37
|
34
|
37
|
34
|
31
|
32
|
26
|
32
|
21
|
22
|
34
|
42
|
32
|
36
|
37
|
33
|
31
|
27
|
27
|
25
|
26
|
25
|
23
|
30
|
26
|
28
|
28
|
17
|
20
|
29
|
30
|
|
2025/07
|
28
|
28
|
22
|
23
|
24
|
33
|
27
|
32
|
31
|
33
|
31
|
29
|
32
|
33
|
37
|
44
|
43
|
34
|
39
|
27
|
26
|
31
|
25
|
23
|
25
|
30
|
32
|
31
|
33
|
28
|
33
|
|
2025/06
|
40
|
40
|
43
|
40
|
41
|
47
|
42
|
43
|
34
|
36
|
39
|
42
|
39
|
46
|
47
|
46
|
49
|
32
|
30
|
41
|
39
|
27
|
29
|
25
|
30
|
34
|
31
|
39
|
37
|
26
|
|
|
2025/05
|
50
|
59
|
79
|
76
|
36
|
56
|
50
|
48
|
76
|
61
|
52
|
59
|
47
|
54
|
41
|
56
|
59
|
56
|
62
|
50
|
51
|
63
|
67
|
51
|
42
|
51
|
32
|
31
|
35
|
45
|
54
|
|
2025/04
|
65
|
79
|
74
|
73
|
79
|
56
|
47
|
65
|
67
|
61
|
50
|
328
|
186
|
75
|
70
|
74
|
60
|
114
|
103
|
65
|
68
|
79
|
52
|
48
|
50
|
35
|
41
|
52
|
43
|
52
|
|
|
2025/03
|
50
|
60
|
54
|
44
|
42
|
47
|
61
|
60
|
39
|
41
|
82
|
102
|
81
|
36
|
48
|
45
|
51
|
49
|
50
|
54
|
51
|
50
|
54
|
47
|
45
|
109
|
145
|
74
|
82
|
69
|
62
|
|
2025/02
|
37
|
44
|
45
|
40
|
43
|
43
|
43
|
44
|
42
|
39
|
54
|
68
|
57
|
56
|
54
|
50
|
40
|
36
|
43
|
39
|
37
|
28
|
39
|
31
|
38
|
41
|
46
|
45
|
|||
|
2025/01
|
80
|
75
|
66
|
73
|
68
|
61
|
54
|
59
|
58
|
52
|
50
|
55
|
54
|
62
|
54
|
45
|
53
|
57
|
72
|
78
|
71
|
75
|
71
|
53
|
60
|
63
|
57
|
80
|
121
|
58
|
49
|
|
2024/12
|
70
|
73
|
72
|
54
|
49
|
49
|
48
|
27
|
24
|
39
|
50
|
45
|
45
|
53
|
63
|
65
|
70
|
58
|
48
|
49
|
54
|
44
|
48
|
56
|
58
|
57
|
65
|
67
|
63
|
61
|
65
|
|
2024/11
|
36
|
36
|
44
|
40
|
39
|
36
|
33
|
35
|
34
|
30
|
40
|
40
|
43
|
36
|
34
|
35
|
37
|
24
|
30
|
43
|
40
|
42
|
30
|
27
|
34
|
45
|
54
|
55
|
60
|
65
|
|
|
2024/10
|
28
|
33
|
34
|
28
|
36
|
42
|
41
|
37
|
36
|
33
|
31
|
26
|
28
|
31
|
31
|
35
|
27
|
40
|
27
|
25
|
37
|
42
|
44
|
38
|
40
|
27
|
41
|
41
|
44
|
34
|
36
|
|
2024/09
|
37
|
37
|
38
|
33
|
22
|
30
|
32
|
36
|
32
|
23
|
26
|
27
|
27
|
33
|
34
|
30
|
33
|
33
|
31
|
30
|
26
|
35
|
41
|
41
|
41
|
40
|
51
|
44
|
26
|
25
|
|
|
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