Air Quality
Excellent
No health implications.
15
PM2.5
34
PM10
45
O3
0.5
CO
7
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Jul
66
Good
Mon
14 Jul
63
Good
Tue
15 Jul
68
Good
Wed
16 Jul
82
Good
Thu
17 Jul
84
Good
Fri
18 Jul
68
Good
Sat
19 Jul
41
Excellent
Air quality in the last 12 months (Songpan)
|
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
|
|
2025/02
|
33
|
36
|
40
|
38
|
37
|
39
|
38
|
33
|
36
|
38
|
52
|
60
|
51
|
51
|
49
|
48
|
35
|
34
|
36
|
36
|
32
|
24
|
33
|
26
|
31
|
37
|
44
|
45
|
|||
|
2025/01
|
78
|
73
|
73
|
78
|
65
|
58
|
49
|
53
|
55
|
48
|
42
|
52
|
53
|
54
|
49
|
35
|
52
|
48
|
67
|
77
|
76
|
79
|
82
|
56
|
48
|
62
|
51
|
75
|
129
|
53
|
46
|
|
2024/12
|
69
|
72
|
64
|
48
|
47
|
42
|
41
|
22
|
23
|
34
|
45
|
40
|
39
|
47
|
56
|
65
|
74
|
68
|
54
|
46
|
51
|
38
|
48
|
52
|
56
|
57
|
67
|
64
|
58
|
57
|
62
|
|
2024/11
|
32
|
31
|
33
|
28
|
32
|
32
|
34
|
42
|
30
|
24
|
35
|
26
|
32
|
31
|
28
|
27
|
27
|
21
|
22
|
34
|
35
|
40
|
30
|
23
|
32
|
38
|
43
|
48
|
51
|
59
|
|
|
2024/10
|
25
|
30
|
29
|
25
|
32
|
39
|
40
|
35
|
31
|
28
|
28
|
23
|
28
|
34
|
32
|
32
|
24
|
35
|
20
|
18
|
28
|
34
|
39
|
39
|
33
|
22
|
33
|
39
|
38
|
30
|
29
|
|
2024/09
|
31
|
34
|
31
|
31
|
19
|
24
|
25
|
31
|
28
|
18
|
20
|
23
|
23
|
25
|
22
|
25
|
29
|
31
|
29
|
27
|
22
|
30
|
36
|
39
|
40
|
43
|
51
|
42
|
23
|
22
|
|
|
2024/08
|
33
|
37
|
22
|
20
|
25
|
29
|
23
|
22
|
39
|
48
|
40
|
36
|
37
|
43
|
25
|
30
|
31
|
28
|
36
|
38
|
36
|
40
|
38
|
32
|
36
|
27
|
32
|
30
|
25
|
25
|
32
|
|
2024/07
|
18
|
27
|
20
|
20
|
22
|
41
|
18
|
14
|
17
|
23
|
27
|
30
|
22
|
17
|
16
|
20
|
18
|
18
|
19
|
15
|
29
|
20
|
21
|
29
|
48
|
52
|
36
|
31
|
23
|
27
|
30
|
|
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