Air Quality
Excellent
No health implications.
31
PM2.5
49
PM10
83
O3
0.6
CO
3
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Jul
107
Light
Fri
18 Jul
95
Good
Sat
19 Jul
64
Good
Sun
20 Jul
63
Good
Mon
21 Jul
60
Good
Tue
22 Jul
62
Good
Wed
23 Jul
24
Excellent
Air quality in the last 12 months (Wenchuan)
|
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
|
|
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
|
|
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