Air Quality
Excellent
No health implications.
12
PM2.5
33
PM10
59
O3
0.3
CO
5
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Apr
52
Good
Thu
23 Apr
53
Good
Fri
24 Apr
59
Good
Sat
25 Apr
58
Good
Sun
26 Apr
59
Good
Mon
27 Apr
22
Excellent
Tue
28 Apr
23
Excellent
Air quality in the last 12 months (Songpan)
|
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
|
|
2025/07
|
27
|
25
|
19
|
20
|
21
|
27
|
25
|
28
|
27
|
32
|
25
|
27
|
30
|
32
|
34
|
42
|
43
|
30
|
34
|
21
|
21
|
28
|
20
|
18
|
21
|
23
|
29
|
29
|
29
|
26
|
31
|
|
2025/06
|
31
|
31
|
38
|
35
|
39
|
48
|
43
|
39
|
34
|
32
|
33
|
40
|
40
|
44
|
43
|
42
|
47
|
27
|
27
|
36
|
35
|
24
|
26
|
20
|
27
|
32
|
35
|
39
|
32
|
22
|
|
|
2025/05
|
46
|
54
|
68
|
61
|
33
|
44
|
43
|
43
|
90
|
72
|
54
|
54
|
43
|
49
|
37
|
60
|
64
|
71
|
62
|
50
|
52
|
54
|
61
|
50
|
43
|
49
|
28
|
29
|
35
|
36
|
39
|
|
2025/04
|
55
|
66
|
66
|
64
|
63
|
48
|
47
|
59
|
63
|
58
|
41
|
143
|
120
|
68
|
67
|
69
|
57
|
84
|
77
|
57
|
60
|
66
|
53
|
39
|
38
|
28
|
32
|
45
|
34
|
43
|
|
|
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