Air Quality
Excellent
No health implications.
8
PM2.5
39
PM10
29
O3
0.4
CO
8
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Sep
44
Excellent
Sun
20 Sep
43
Excellent
Mon
21 Sep
44
Excellent
Tue
22 Sep
45
Excellent
Wed
23 Sep
43
Excellent
Thu
24 Sep
52
Good
Fri
25 Sep
40
Excellent
Air quality in the last 12 months (Jiuzhaigou)
|
2026/08
|
22
|
23
|
29
|
34
|
33
|
32
|
33
|
29
|
29
|
33
|
31
|
31
|
38
|
36
|
31
|
29
|
26
|
24
|
26
|
31
|
29
|
36
|
31
|
30
|
30
|
33
|
32
|
29
|
32
|
37
|
38
|
|
2026/07
|
37
|
37
|
34
|
34
|
38
|
41
|
38
|
38
|
42
|
32
|
24
|
24
|
30
|
30
|
28
|
30
|
29
|
44
|
34
|
39
|
38
|
38
|
46
|
45
|
48
|
37
|
30
|
30
|
31
|
24
|
21
|
|
2026/06
|
55
|
53
|
46
|
52
|
48
|
55
|
43
|
38
|
38
|
40
|
39
|
37
|
42
|
45
|
44
|
43
|
40
|
37
|
37
|
32
|
24
|
29
|
29
|
25
|
23
|
30
|
33
|
35
|
35
|
36
|
|
|
2026/05
|
33
|
43
|
45
|
47
|
51
|
58
|
64
|
43
|
45
|
54
|
54
|
51
|
42
|
50
|
40
|
31
|
31
|
41
|
42
|
45
|
45
|
41
|
35
|
33
|
35
|
54
|
44
|
50
|
47
|
50
|
56
|
|
2026/04
|
49
|
45
|
76
|
76
|
61
|
55
|
39
|
31
|
53
|
48
|
41
|
52
|
57
|
58
|
49
|
50
|
48
|
49
|
204
|
104
|
39
|
53
|
59
|
62
|
60
|
59
|
41
|
35
|
47
|
43
|
|
|
2026/03
|
39
|
45
|
49
|
52
|
71
|
59
|
50
|
40
|
36
|
39
|
42
|
40
|
33
|
51
|
76
|
51
|
34
|
52
|
57
|
59
|
55
|
65
|
57
|
56
|
49
|
41
|
56
|
52
|
40
|
29
|
44
|
|
2026/02
|
77
|
72
|
65
|
64
|
65
|
63
|
61
|
53
|
40
|
69
|
64
|
70
|
81
|
62
|
73
|
51
|
77
|
53
|
53
|
52
|
50
|
68
|
85
|
76
|
63
|
67
|
59
|
39
|
|||
|
2026/01
|
64
|
56
|
42
|
59
|
57
|
62
|
64
|
66
|
71
|
68
|
71
|
80
|
80
|
69
|
77
|
76
|
69
|
73
|
59
|
57
|
58
|
59
|
59
|
55
|
140
|
228
|
146
|
110
|
68
|
68
|
75
|
|
2025/12
|
71
|
66
|
57
|
65
|
64
|
68
|
73
|
64
|
62
|
66
|
60
|
63
|
68
|
69
|
72
|
87
|
82
|
68
|
81
|
53
|
52
|
54
|
63
|
56
|
56
|
60
|
70
|
70
|
71
|
65
|
56
|
|
2025/11
|
48
|
37
|
34
|
29
|
26
|
22
|
45
|
73
|
59
|
41
|
45
|
55
|
57
|
58
|
53
|
48
|
58
|
49
|
52
|
59
|
67
|
61
|
64
|
66
|
72
|
68
|
89
|
77
|
71
|
67
|
|
|
2025/10
|
25
|
28
|
27
|
23
|
30
|
21
|
23
|
22
|
25
|
23
|
17
|
27
|
34
|
34
|
31
|
41
|
27
|
35
|
36
|
30
|
26
|
25
|
23
|
21
|
27
|
38
|
46
|
43
|
45
|
45
|
51
|
|
2025/09
|
30
|
33
|
42
|
40
|
44
|
73
|
62
|
46
|
35
|
30
|
25
|
30
|
38
|
37
|
35
|
25
|
26
|
19
|
27
|
30
|
22
|
26
|
29
|
38
|
42
|
39
|
25
|
23
|
30
|
34
|
|
|
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