Air Quality
Excellent
No health implications.
20
PM2.5
31
PM10
84
O3
0.4
CO
6
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Aug
66
Good
Sun
16 Aug
64
Good
Mon
17 Aug
50
Excellent
Tue
18 Aug
52
Good
Wed
19 Aug
54
Good
Thu
20 Aug
54
Good
Fri
21 Aug
17
Excellent
Air quality in the last 12 months (Songpan)
|
2026/07
|
39
|
42
|
36
|
37
|
41
|
44
|
42
|
40
|
42
|
30
|
26
|
22
|
30
|
29
|
28
|
31
|
25
|
36
|
35
|
39
|
41
|
39
|
45
|
44
|
47
|
37
|
30
|
30
|
31
|
22
|
19
|
|
2026/06
|
48
|
45
|
44
|
52
|
47
|
50
|
36
|
34
|
35
|
39
|
34
|
36
|
38
|
44
|
43
|
39
|
36
|
34
|
37
|
29
|
23
|
27
|
26
|
24
|
22
|
30
|
30
|
36
|
36
|
35
|
|
|
2026/05
|
29
|
36
|
42
|
47
|
48
|
50
|
56
|
39
|
47
|
57
|
59
|
52
|
44
|
49
|
29
|
28
|
30
|
36
|
42
|
40
|
38
|
31
|
30
|
29
|
29
|
45
|
40
|
44
|
42
|
46
|
52
|
|
2026/04
|
45
|
44
|
61
|
65
|
57
|
49
|
32
|
26
|
44
|
39
|
35
|
42
|
46
|
44
|
40
|
43
|
43
|
47
|
123
|
94
|
34
|
44
|
57
|
58
|
57
|
57
|
41
|
31
|
38
|
37
|
|
|
2026/03
|
32
|
35
|
40
|
46
|
60
|
55
|
47
|
38
|
33
|
36
|
40
|
41
|
25
|
37
|
61
|
39
|
27
|
40
|
48
|
54
|
48
|
56
|
50
|
50
|
41
|
37
|
51
|
49
|
36
|
27
|
40
|
|
2026/02
|
68
|
66
|
61
|
58
|
65
|
64
|
54
|
45
|
34
|
57
|
56
|
56
|
67
|
61
|
64
|
41
|
65
|
50
|
50
|
45
|
43
|
50
|
68
|
60
|
52
|
56
|
48
|
33
|
|||
|
2026/01
|
56
|
47
|
32
|
49
|
52
|
53
|
58
|
61
|
66
|
70
|
74
|
80
|
90
|
69
|
66
|
65
|
67
|
72
|
52
|
48
|
49
|
53
|
52
|
54
|
84
|
143
|
114
|
93
|
67
|
55
|
64
|
|
2025/12
|
70
|
66
|
52
|
51
|
58
|
59
|
64
|
61
|
64
|
61
|
69
|
61
|
61
|
63
|
65
|
80
|
82
|
82
|
90
|
56
|
50
|
49
|
56
|
56
|
56
|
55
|
66
|
73
|
64
|
66
|
54
|
|
2025/11
|
38
|
34
|
32
|
25
|
21
|
19
|
32
|
59
|
50
|
31
|
37
|
48
|
49
|
48
|
44
|
39
|
50
|
40
|
45
|
57
|
63
|
60
|
55
|
61
|
69
|
63
|
72
|
70
|
67
|
64
|
|
|
2025/10
|
20
|
25
|
23
|
20
|
25
|
17
|
19
|
21
|
23
|
20
|
14
|
22
|
27
|
31
|
31
|
37
|
26
|
32
|
29
|
22
|
19
|
17
|
18
|
15
|
22
|
33
|
36
|
37
|
35
|
37
|
45
|
|
2025/09
|
28
|
27
|
35
|
35
|
35
|
57
|
53
|
43
|
35
|
28
|
21
|
25
|
35
|
35
|
32
|
18
|
22
|
15
|
23
|
27
|
17
|
20
|
25
|
35
|
39
|
38
|
24
|
17
|
23
|
28
|
|
|
2025/08
|
34
|
33
|
36
|
33
|
29
|
30
|
23
|
27
|
19
|
18
|
30
|
37
|
28
|
32
|
32
|
28
|
26
|
23
|
22
|
19
|
20
|
18
|
20
|
28
|
24
|
26
|
27
|
18
|
17
|
25
|
28
|
|
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