Air Quality
Excellent
No health implications.
14
PM2.5
36
PM10
41
O3
0.3
CO
5
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 May
56
Good
Mon
25 May
63
Good
Tue
26 May
62
Good
Wed
27 May
61
Good
Thu
28 May
70
Good
Fri
29 May
44
Excellent
Sat
30 May
17
Excellent
Air quality in the last 12 months (Wenchuan)
|
2026/04
|
46
|
47
|
53
|
68
|
63
|
45
|
30
|
28
|
44
|
37
|
37
|
34
|
38
|
37
|
38
|
39
|
39
|
54
|
88
|
105
|
33
|
35
|
52
|
61
|
67
|
63
|
51
|
29
|
36
|
45
|
|
|
2026/03
|
24
|
29
|
36
|
44
|
48
|
58
|
47
|
38
|
30
|
39
|
48
|
57
|
33
|
25
|
49
|
34
|
24
|
34
|
51
|
54
|
50
|
53
|
45
|
50
|
42
|
40
|
51
|
50
|
38
|
24
|
36
|
|
2026/02
|
81
|
84
|
79
|
70
|
91
|
90
|
60
|
47
|
36
|
52
|
64
|
65
|
79
|
92
|
74
|
43
|
74
|
67
|
62
|
59
|
53
|
60
|
62
|
51
|
52
|
53
|
54
|
33
|
|||
|
2026/01
|
54
|
48
|
22
|
41
|
56
|
53
|
73
|
79
|
92
|
114
|
138
|
141
|
151
|
108
|
81
|
88
|
108
|
117
|
49
|
39
|
44
|
62
|
72
|
86
|
77
|
115
|
118
|
106
|
82
|
54
|
72
|
|
2025/12
|
109
|
90
|
52
|
48
|
66
|
72
|
69
|
88
|
104
|
84
|
111
|
69
|
58
|
68
|
78
|
111
|
119
|
131
|
143
|
82
|
54
|
54
|
57
|
63
|
74
|
67
|
100
|
109
|
88
|
100
|
69
|
|
2025/11
|
33
|
39
|
38
|
30
|
30
|
25
|
25
|
46
|
50
|
31
|
39
|
53
|
53
|
52
|
45
|
46
|
41
|
37
|
49
|
68
|
82
|
97
|
76
|
78
|
80
|
88
|
84
|
98
|
107
|
106
|
|
|
2025/10
|
28
|
26
|
24
|
23
|
29
|
19
|
21
|
28
|
28
|
27
|
14
|
19
|
21
|
35
|
39
|
43
|
26
|
30
|
26
|
14
|
15
|
17
|
15
|
14
|
22
|
34
|
34
|
42
|
33
|
47
|
46
|
|
2025/09
|
33
|
30
|
40
|
46
|
35
|
42
|
56
|
47
|
42
|
31
|
18
|
19
|
32
|
42
|
50
|
18
|
20
|
12
|
19
|
32
|
17
|
15
|
20
|
33
|
40
|
53
|
33
|
17
|
22
|
33
|
|
|
2025/08
|
37
|
40
|
44
|
41
|
35
|
30
|
24
|
31
|
21
|
16
|
25
|
34
|
31
|
34
|
37
|
26
|
25
|
20
|
26
|
26
|
19
|
17
|
20
|
24
|
22
|
29
|
30
|
19
|
12
|
18
|
28
|
|
2025/07
|
22
|
21
|
18
|
19
|
16
|
23
|
22
|
26
|
24
|
30
|
18
|
26
|
33
|
35
|
44
|
47
|
45
|
34
|
26
|
19
|
18
|
28
|
18
|
16
|
17
|
14
|
23
|
30
|
30
|
28
|
38
|
|
2025/06
|
33
|
30
|
44
|
44
|
47
|
58
|
51
|
43
|
44
|
33
|
36
|
49
|
52
|
51
|
42
|
46
|
48
|
24
|
25
|
33
|
33
|
28
|
28
|
17
|
24
|
34
|
43
|
43
|
28
|
18
|
|
|
2025/05
|
50
|
55
|
54
|
56
|
32
|
36
|
37
|
33
|
120
|
92
|
64
|
59
|
44
|
58
|
49
|
72
|
93
|
107
|
71
|
61
|
69
|
57
|
53
|
52
|
51
|
53
|
28
|
28
|
44
|
32
|
24
|
|
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