Air Quality
Excellent
No health implications.
7
PM2.5
14
PM10
40
O3
0.5
CO
2
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Nov
45
Excellent
Tue
26 Nov
58
Good
Wed
27 Nov
58
Good
Thu
28 Nov
61
Good
Fri
29 Nov
71
Good
Sat
30 Nov
77
Good
Air quality in the last 12 months (Dujiangyan)
|
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
|
|
2024/02
|
48
|
44
|
23
|
27
|
34
|
35
|
55
|
52
|
49
|
82
|
78
|
77
|
69
|
65
|
31
|
39
|
47
|
56
|
96
|
168
|
44
|
42
|
35
|
45
|
65
|
83
|
69
|
49
|
25
|
||
|
2024/01
|
131
|
50
|
56
|
75
|
53
|
61
|
88
|
118
|
89
|
89
|
128
|
136
|
153
|
105
|
76
|
62
|
55
|
79
|
53
|
38
|
25
|
31
|
38
|
36
|
46
|
49
|
76
|
95
|
95
|
87
|
62
|
|
2023/12
|
46
|
56
|
70
|
74
|
66
|
44
|
78
|
97
|
96
|
109
|
88
|
58
|
60
|
53
|
37
|
46
|
63
|
61
|
65
|
75
|
61
|
82
|
69
|
44
|
75
|
86
|
129
|
141
|
109
|
145
|
180
|
|
2023/11
|
36
|
39
|
36
|
37
|
30
|
40
|
48
|
58
|
55
|
67
|
18
|
16
|
27
|
26
|
25
|
47
|
50
|
75
|
75
|
82
|
82
|
38
|
60
|
81
|
77
|
29
|
45
|
50
|
40
|
45
|
|
|
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