Air Quality
Excellent
No health implications.
9
PM2.5
31
PM10
102
O3
0.4
CO
6
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Apr
59
Good
Wed
29 Apr
52
Good
Thu
30 Apr
56
Good
Fri
1 May
63
Good
Sat
2 May
63
Good
Sun
3 May
65
Good
Mon
4 May
33
Excellent
Air quality in the last 12 months (Jiuzhaigou)
|
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
|
|
|
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
|
|
|
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