Air Quality
Excellent
No health implications.
14
PM2.5
28
PM10
76
O3
0.4
CO
9
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Jun
54
Good
Sat
21 Jun
69
Good
Sun
22 Jun
66
Good
Mon
23 Jun
57
Good
Tue
24 Jun
51
Good
Wed
25 Jun
55
Good
Thu
26 Jun
29
Excellent
Air quality in the last 12 months (Wenchuan)
|
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
|
|
2025/04
|
51
|
59
|
67
|
65
|
47
|
44
|
57
|
60
|
66
|
62
|
46
|
93
|
116
|
72
|
77
|
80
|
62
|
68
|
58
|
58
|
60
|
61
|
65
|
34
|
39
|
29
|
31
|
41
|
27
|
39
|
|
|
2025/03
|
69
|
76
|
51
|
38
|
31
|
36
|
48
|
47
|
38
|
57
|
64
|
83
|
66
|
41
|
31
|
35
|
43
|
45
|
60
|
63
|
58
|
60
|
65
|
55
|
59
|
62
|
124
|
76
|
66
|
58
|
45
|
|
2025/02
|
37
|
40
|
40
|
45
|
34
|
33
|
38
|
28
|
37
|
47
|
66
|
58
|
54
|
50
|
44
|
53
|
42
|
42
|
35
|
39
|
35
|
23
|
32
|
26
|
25
|
41
|
58
|
67
|
|||
|
2025/01
|
112
|
101
|
108
|
117
|
90
|
80
|
56
|
48
|
60
|
53
|
44
|
73
|
76
|
61
|
63
|
48
|
78
|
48
|
78
|
93
|
114
|
129
|
147
|
81
|
40
|
65
|
65
|
98
|
224
|
77
|
60
|
|
2024/12
|
94
|
102
|
86
|
56
|
53
|
45
|
35
|
16
|
22
|
35
|
53
|
47
|
42
|
50
|
70
|
89
|
115
|
121
|
92
|
71
|
71
|
44
|
51
|
54
|
69
|
75
|
95
|
89
|
67
|
67
|
79
|
|
2024/11
|
34
|
42
|
34
|
27
|
39
|
47
|
55
|
71
|
45
|
22
|
37
|
22
|
25
|
43
|
38
|
26
|
23
|
15
|
16
|
33
|
41
|
59
|
45
|
26
|
25
|
38
|
41
|
54
|
58
|
71
|
|
|
2024/10
|
23
|
32
|
26
|
22
|
31
|
40
|
41
|
39
|
38
|
33
|
30
|
28
|
40
|
51
|
50
|
43
|
24
|
40
|
20
|
13
|
20
|
30
|
49
|
57
|
40
|
24
|
33
|
51
|
49
|
40
|
34
|
|
2024/09
|
29
|
39
|
28
|
34
|
18
|
24
|
22
|
31
|
29
|
14
|
19
|
24
|
25
|
22
|
16
|
24
|
30
|
40
|
35
|
34
|
22
|
31
|
35
|
43
|
48
|
53
|
66
|
52
|
27
|
17
|
|
|
2024/08
|
38
|
42
|
22
|
16
|
23
|
33
|
19
|
22
|
29
|
35
|
44
|
42
|
47
|
51
|
29
|
38
|
29
|
29
|
39
|
47
|
41
|
48
|
46
|
34
|
43
|
28
|
34
|
35
|
27
|
26
|
32
|
|
2024/07
|
16
|
30
|
19
|
21
|
24
|
44
|
20
|
10
|
11
|
19
|
25
|
32
|
20
|
13
|
13
|
18
|
16
|
15
|
21
|
16
|
15
|
18
|
22
|
19
|
38
|
51
|
39
|
26
|
19
|
28
|
34
|
|
2024/06
|
39
|
22
|
29
|
25
|
32
|
30
|
31
|
30
|
28
|
40
|
29
|
35
|
49
|
44
|
44
|
33
|
17
|
27
|
26
|
28
|
28
|
22
|
41
|
51
|
29
|
28
|
21
|
28
|
47
|
48
|
|
|
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