Air Quality
Excellent
No health implications.
19
PM2.5
32
PM10
40
O3
0.6
CO
3
SO2
28
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Apr
61
Good
Wed
30 Apr
82
Good
Thu
1 May
95
Good
Fri
2 May
113
Light
Sat
3 May
118
Light
Sun
4 May
102
Light
Mon
5 May
38
Excellent
Air quality in the last 12 months (Dujiangyan)
|
2025/02
|
34
|
37
|
38
|
47
|
35
|
32
|
39
|
27
|
34
|
45
|
67
|
56
|
56
|
52
|
38
|
51
|
46
|
46
|
34
|
40
|
38
|
21
|
33
|
28
|
23
|
43
|
65
|
77
|
|||
|
2025/01
|
125
|
114
|
119
|
132
|
102
|
90
|
59
|
45
|
61
|
54
|
43
|
83
|
83
|
62
|
68
|
55
|
93
|
47
|
77
|
93
|
123
|
147
|
177
|
84
|
36
|
62
|
70
|
99
|
264
|
89
|
58
|
|
2024/12
|
99
|
115
|
99
|
63
|
58
|
48
|
35
|
15
|
22
|
36
|
55
|
50
|
43
|
47
|
71
|
93
|
122
|
144
|
108
|
86
|
86
|
46
|
43
|
52
|
74
|
76
|
108
|
99
|
70
|
66
|
80
|
|
2024/11
|
32
|
51
|
36
|
30
|
43
|
56
|
67
|
82
|
56
|
22
|
36
|
25
|
25
|
51
|
46
|
30
|
23
|
13
|
14
|
29
|
41
|
66
|
52
|
31
|
20
|
39
|
40
|
55
|
59
|
73
|
|
|
2024/10
|
21
|
36
|
24
|
22
|
33
|
40
|
37
|
42
|
41
|
34
|
33
|
30
|
48
|
57
|
60
|
47
|
23
|
40
|
21
|
12
|
19
|
30
|
53
|
67
|
44
|
27
|
32
|
52
|
57
|
45
|
37
|
|
2024/09
|
28
|
37
|
24
|
34
|
19
|
25
|
23
|
33
|
29
|
15
|
23
|
27
|
27
|
22
|
17
|
26
|
30
|
40
|
35
|
36
|
23
|
34
|
38
|
41
|
51
|
55
|
68
|
56
|
33
|
13
|
|
|
2024/08
|
42
|
46
|
23
|
17
|
25
|
40
|
23
|
24
|
31
|
30
|
48
|
43
|
49
|
52
|
33
|
48
|
32
|
32
|
41
|
51
|
47
|
54
|
52
|
36
|
46
|
31
|
36
|
40
|
31
|
30
|
33
|
|
2024/07
|
18
|
31
|
20
|
23
|
28
|
48
|
27
|
12
|
11
|
18
|
25
|
34
|
20
|
12
|
14
|
20
|
18
|
16
|
24
|
19
|
18
|
21
|
24
|
18
|
35
|
55
|
45
|
27
|
18
|
28
|
38
|
|
2024/06
|
43
|
25
|
32
|
28
|
35
|
34
|
29
|
33
|
32
|
46
|
28
|
36
|
55
|
51
|
48
|
42
|
18
|
31
|
27
|
32
|
28
|
23
|
46
|
51
|
34
|
30
|
24
|
31
|
51
|
54
|
|
|
2024/05
|
35
|
23
|
21
|
28
|
47
|
66
|
82
|
46
|
49
|
69
|
52
|
56
|
53
|
61
|
64
|
72
|
88
|
64
|
47
|
43
|
33
|
52
|
57
|
59
|
52
|
43
|
38
|
24
|
19
|
27
|
51
|
|
2024/04
|
44
|
36
|
57
|
45
|
33
|
16
|
19
|
24
|
32
|
19
|
27
|
44
|
51
|
38
|
52
|
49
|
35
|
18
|
14
|
29
|
58
|
31
|
22
|
41
|
39
|
44
|
50
|
64
|
30
|
15
|
|
|
2024/03
|
46
|
29
|
59
|
64
|
30
|
45
|
52
|
60
|
76
|
58
|
23
|
43
|
21
|
29
|
46
|
41
|
70
|
40
|
44
|
55
|
58
|
61
|
58
|
45
|
12
|
15
|
27
|
16
|
27
|
32
|
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