Air Quality
Excellent
No health implications.
17
PM2.5
40
PM10
47
O3
0.5
CO
3
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Mar
43
Excellent
Thu
19 Mar
46
Excellent
Fri
20 Mar
55
Good
Sat
21 Mar
60
Good
Sun
22 Mar
54
Good
Mon
23 Mar
44
Excellent
Tue
24 Mar
26
Excellent
Air quality in the last 12 months (Songpan)
|
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
|
|
|
2025/03
|
47
|
58
|
48
|
37
|
33
|
42
|
59
|
55
|
32
|
42
|
64
|
86
|
65
|
30
|
38
|
37
|
43
|
46
|
49
|
53
|
48
|
49
|
53
|
46
|
43
|
64
|
126
|
67
|
70
|
64
|
56
|
|
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