Air Quality
Excellent
No health implications.
9
PM2.5
18
PM10
85
O3
0.6
CO
8
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Aug
76
Good
Mon
17 Aug
55
Good
Tue
18 Aug
52
Good
Wed
19 Aug
55
Good
Thu
20 Aug
60
Good
Fri
21 Aug
37
Excellent
Sat
22 Aug
44
Excellent
Air quality in the last 12 months (Wenchuan)
|
2026/07
|
48
|
55
|
36
|
44
|
49
|
57
|
61
|
52
|
54
|
38
|
26
|
24
|
36
|
36
|
30
|
35
|
25
|
35
|
34
|
44
|
48
|
49
|
48
|
56
|
65
|
43
|
27
|
29
|
35
|
21
|
20
|
|
2026/06
|
46
|
52
|
49
|
58
|
55
|
55
|
31
|
30
|
36
|
44
|
35
|
39
|
41
|
58
|
55
|
43
|
35
|
38
|
45
|
33
|
24
|
29
|
24
|
23
|
22
|
32
|
33
|
48
|
40
|
36
|
|
|
2026/05
|
36
|
33
|
36
|
49
|
55
|
51
|
53
|
38
|
56
|
82
|
81
|
64
|
51
|
62
|
32
|
29
|
42
|
35
|
43
|
44
|
52
|
38
|
36
|
29
|
27
|
41
|
48
|
45
|
46
|
49
|
54
|
|
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
|
|
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