Air Quality
Excellent
No health implications.
14
PM2.5
31
PM10
70
O3
0.5
CO
7
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 Sep
52
Good
Sat
12 Sep
56
Good
Sun
13 Sep
59
Good
Mon
14 Sep
56
Good
Tue
15 Sep
54
Good
Wed
16 Sep
57
Good
Thu
17 Sep
24
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