Air Quality
Excellent
No health implications.
17
PM2.5
43
PM10
30
O3
0.5
CO
6
SO2
21
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Aug
56
Good
Sat
22 Aug
58
Good
Sun
23 Aug
60
Good
Mon
24 Aug
56
Good
Tue
25 Aug
56
Good
Wed
26 Aug
53
Good
Thu
27 Aug
48
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