Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
64
PM2.5
172
*
PM10
102
O3
0.4
CO
8
SO2
7
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
4 May
76
Good
Mon
5 May
75
Good
Tue
6 May
66
Good
Wed
7 May
64
Good
Thu
8 May
69
Good
Fri
9 May
68
Good
Sat
10 May
24
Excellent
Air quality in the last 12 months (Songpan)
|
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
|
|
2024/06
|
36
|
26
|
31
|
26
|
30
|
27
|
35
|
28
|
29
|
38
|
36
|
38
|
42
|
36
|
40
|
27
|
23
|
25
|
25
|
25
|
28
|
24
|
34
|
38
|
25
|
28
|
21
|
23
|
36
|
34
|
|
|
2024/05
|
27
|
21
|
20
|
41
|
52
|
54
|
56
|
40
|
46
|
47
|
48
|
57
|
54
|
45
|
40
|
52
|
59
|
50
|
42
|
48
|
40
|
43
|
50
|
51
|
33
|
40
|
37
|
23
|
19
|
33
|
53
|
|
2024/04
|
42
|
57
|
61
|
53
|
31
|
30
|
28
|
39
|
30
|
27
|
36
|
41
|
42
|
36
|
61
|
60
|
33
|
24
|
29
|
44
|
49
|
29
|
29
|
32
|
38
|
39
|
39
|
47
|
29
|
23
|
|
|
2024/03
|
44
|
40
|
47
|
51
|
50
|
58
|
57
|
59
|
52
|
40
|
50
|
39
|
24
|
38
|
28
|
110
|
63
|
57
|
69
|
56
|
56
|
55
|
60
|
37
|
30
|
29
|
38
|
38
|
35
|
42
|
45
|
|
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