Air Quality
Excellent
No health implications.
15
PM2.5
35
PM10
99
O3
0.5
CO
5
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Apr
59
Good
Wed
30 Apr
74
Good
Thu
1 May
90
Good
Fri
2 May
103
Light
Sat
3 May
103
Light
Sun
4 May
87
Good
Mon
5 May
19
Excellent
Air quality in the last 12 months (Wenchuan)
|
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
|
|
|
2024/05
|
28
|
20
|
19
|
33
|
49
|
62
|
76
|
46
|
51
|
60
|
52
|
56
|
55
|
58
|
58
|
64
|
75
|
64
|
45
|
42
|
35
|
48
|
58
|
60
|
46
|
39
|
33
|
23
|
18
|
28
|
49
|
|
2024/04
|
43
|
39
|
59
|
47
|
31
|
20
|
22
|
32
|
33
|
21
|
29
|
45
|
48
|
39
|
52
|
50
|
35
|
21
|
21
|
36
|
55
|
29
|
24
|
39
|
38
|
44
|
51
|
57
|
29
|
17
|
|
|
2024/03
|
44
|
31
|
55
|
57
|
39
|
50
|
54
|
59
|
64
|
49
|
35
|
41
|
19
|
35
|
40
|
56
|
63
|
43
|
55
|
55
|
58
|
60
|
57
|
39
|
17
|
17
|
27
|
24
|
32
|
35
|
39
|
|
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