Air Quality
Excellent
No health implications.
20
PM2.5
24
PM10
16
O3
0.5
CO
4
SO2
25
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 Feb
53
Good
Mon
10 Feb
72
Good
Tue
11 Feb
70
Good
Wed
12 Feb
87
Good
Thu
13 Feb
81
Good
Fri
14 Feb
65
Good
Sat
15 Feb
92
Good
Air quality in the last 12 months (Dujiangyan)
|
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
|
|
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
|
||
|
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