Air Quality
Excellent
No health implications.
30
PM2.5
48
PM10
51
O3
0.8
CO
11
SO2
23
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Jul
106
Light
Sat
19 Jul
62
Good
Sun
20 Jul
63
Good
Mon
21 Jul
65
Good
Tue
22 Jul
73
Good
Wed
23 Jul
49
Excellent
Thu
24 Jul
30
Excellent
Air quality in the last 12 months (Dujiangyan)
|
2025/06
|
34
|
30
|
47
|
51
|
53
|
60
|
57
|
48
|
52
|
35
|
43
|
49
|
57
|
55
|
43
|
49
|
50
|
27
|
23
|
36
|
33
|
34
|
31
|
17
|
24
|
36
|
47
|
45
|
28
|
20
|
|
|
2025/05
|
54
|
59
|
56
|
60
|
31
|
31
|
38
|
32
|
120
|
92
|
67
|
63
|
47
|
67
|
54
|
72
|
104
|
120
|
69
|
66
|
79
|
64
|
51
|
52
|
52
|
59
|
32
|
30
|
48
|
37
|
24
|
|
2025/04
|
55
|
57
|
70
|
69
|
40
|
44
|
60
|
61
|
68
|
65
|
52
|
104
|
122
|
75
|
85
|
87
|
65
|
69
|
54
|
61
|
69
|
62
|
70
|
34
|
42
|
36
|
35
|
43
|
27
|
38
|
|
|
2025/03
|
82
|
83
|
52
|
41
|
32
|
34
|
45
|
42
|
46
|
64
|
69
|
86
|
70
|
51
|
29
|
38
|
42
|
42
|
64
|
62
|
60
|
63
|
68
|
57
|
62
|
66
|
130
|
80
|
66
|
59
|
41
|
|
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
|
|
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