Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
44
PM2.5
87
*
PM10
89
O3
0.7
CO
6
SO2
12
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
28 Apr
58
Good
Mon
29 Apr
54
Good
Tue
30 Apr
55
Good
Wed
1 May
53
Good
Thu
2 May
51
Good
Fri
3 May
53
Good
Sat
4 May
56
Good
Air quality in the last 12 months (Songpan)
|
2024/02
|
42
|
34
|
27
|
35
|
35
|
42
|
44
|
47
|
73
|
111
|
62
|
58
|
51
|
52
|
38
|
37
|
38
|
56
|
134
|
148
|
71
|
66
|
53
|
70
|
68
|
58
|
51
|
40
|
34
|
||
|
2024/01
|
90
|
55
|
56
|
61
|
60
|
61
|
67
|
67
|
71
|
68
|
75
|
82
|
82
|
65
|
51
|
46
|
48
|
47
|
35
|
46
|
48
|
40
|
39
|
39
|
46
|
51
|
53
|
56
|
57
|
50
|
48
|
|
2023/12
|
44
|
49
|
55
|
61
|
55
|
93
|
72
|
64
|
67
|
75
|
63
|
53
|
52
|
54
|
59
|
57
|
51
|
54
|
59
|
57
|
61
|
61
|
58
|
53
|
60
|
72
|
78
|
83
|
69
|
79
|
85
|
|
2023/11
|
42
|
48
|
54
|
37
|
42
|
42
|
50
|
48
|
51
|
43
|
34
|
43
|
38
|
27
|
42
|
48
|
57
|
60
|
62
|
65
|
59
|
48
|
63
|
60
|
55
|
55
|
56
|
54
|
49
|
48
|
|
|
2023/10
|
30
|
27
|
32
|
25
|
20
|
22
|
29
|
33
|
30
|
35
|
21
|
19
|
27
|
33
|
37
|
41
|
26
|
22
|
26
|
38
|
41
|
50
|
49
|
50
|
49
|
38
|
32
|
41
|
44
|
45
|
39
|
|
2023/09
|
33
|
39
|
49
|
47
|
49
|
38
|
30
|
29
|
28
|
28
|
23
|
28
|
36
|
31
|
31
|
35
|
31
|
29
|
23
|
23
|
28
|
22
|
19
|
18
|
21
|
24
|
23
|
26
|
27
|
30
|
|
|
2023/08
|
31
|
31
|
23
|
27
|
28
|
26
|
24
|
24
|
25
|
27
|
23
|
26
|
37
|
37
|
32
|
28
|
27
|
32
|
33
|
30
|
44
|
39
|
31
|
36
|
29
|
24
|
32
|
32
|
31
|
29
|
35
|
|
2023/07
|
39
|
40
|
26
|
32
|
41
|
36
|
38
|
38
|
43
|
45
|
33
|
23
|
21
|
25
|
37
|
39
|
41
|
34
|
37
|
34
|
36
|
41
|
38
|
28
|
31
|
24
|
19
|
26
|
33
|
31
|
31
|
|
2023/06
|
26
|
24
|
20
|
26
|
29
|
33
|
30
|
35
|
44
|
43
|
45
|
40
|
38
|
43
|
32
|
24
|
23
|
31
|
48
|
39
|
36
|
39
|
39
|
35
|
39
|
42
|
36
|
36
|
37
|
40
|
|
|
2023/05
|
58
|
41
|
35
|
46
|
56
|
40
|
28
|
24
|
20
|
25
|
37
|
48
|
47
|
51
|
53
|
54
|
51
|
37
|
46
|
33
|
46
|
40
|
37
|
43
|
46
|
36
|
34
|
38
|
41
|
37
|
30
|
|
2023/04
|
54
|
41
|
33
|
34
|
35
|
68
|
69
|
61
|
62
|
60
|
80
|
58
|
42
|
66
|
66
|
57
|
60
|
59
|
59
|
158
|
64
|
21
|
22
|
28
|
43
|
49
|
55
|
50
|
50
|
54
|
|
|
2023/03
|
56
|
53
|
54
|
56
|
58
|
56
|
53
|
46
|
49
|
38
|
54
|
48
|
49
|
49
|
71
|
45
|
41
|
30
|
26
|
20
|
46
|
89
|
48
|
32
|
36
|
40
|
35
|
39
|
39
|
47
|
51
|
|
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