Air Quality
Excellent
No health implications.
25
PM2.5
33
PM10
63
O3
0.5
CO
3
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 Jan
54
Good
Fri
10 Jan
72
Good
Sat
11 Jan
80
Good
Sun
12 Jan
86
Good
Mon
13 Jan
88
Good
Tue
14 Jan
89
Good
Wed
15 Jan
30
Excellent
Air quality in the last 12 months (Songtao)
|
2024/12
|
37
|
39
|
63
|
57
|
26
|
29
|
31
|
30
|
38
|
24
|
28
|
48
|
54
|
49
|
41
|
40
|
55
|
61
|
65
|
70
|
80
|
65
|
51
|
54
|
59
|
63
|
62
|
75
|
81
|
97
|
77
|
|
2024/11
|
35
|
43
|
47
|
44
|
49
|
46
|
39
|
38
|
38
|
31
|
26
|
46
|
53
|
49
|
69
|
55
|
11
|
10
|
10
|
11
|
17
|
16
|
37
|
26
|
14
|
14
|
18
|
21
|
24
|
31
|
|
|
2024/10
|
13
|
26
|
34
|
33
|
39
|
45
|
41
|
27
|
34
|
36
|
54
|
64
|
44
|
30
|
34
|
28
|
24
|
26
|
22
|
16
|
25
|
24
|
26
|
32
|
23
|
27
|
30
|
33
|
29
|
30
|
34
|
|
2024/09
|
24
|
26
|
33
|
32
|
41
|
35
|
38
|
33
|
23
|
22
|
24
|
27
|
20
|
17
|
29
|
31
|
25
|
20
|
25
|
25
|
24
|
16
|
22
|
26
|
30
|
32
|
35
|
40
|
50
|
44
|
|
|
2024/08
|
12
|
15
|
16
|
13
|
13
|
15
|
17
|
19
|
21
|
20
|
27
|
42
|
29
|
25
|
30
|
27
|
20
|
17
|
16
|
18
|
19
|
20
|
17
|
16
|
12
|
16
|
19
|
16
|
17
|
17
|
19
|
|
2024/07
|
14
|
14
|
13
|
13
|
14
|
13
|
11
|
14
|
17
|
17
|
15
|
21
|
25
|
17
|
15
|
16
|
15
|
13
|
12
|
14
|
18
|
17
|
14
|
11
|
14
|
21
|
18
|
18
|
13
|
15
|
14
|
|
2024/06
|
19
|
18
|
18
|
12
|
10
|
11
|
17
|
13
|
10
|
10
|
13
|
14
|
16
|
13
|
19
|
20
|
14
|
10
|
14
|
14
|
28
|
20
|
13
|
14
|
17
|
12
|
10
|
14
|
12
|
14
|
|
|
2024/05
|
13
|
15
|
9
|
8
|
14
|
20
|
23
|
31
|
29
|
32
|
18
|
24
|
20
|
26
|
32
|
46
|
46
|
26
|
10
|
11
|
18
|
27
|
25
|
23
|
22
|
26
|
13
|
24
|
15
|
9
|
14
|
|
2024/04
|
25
|
21
|
17
|
27
|
19
|
17
|
16
|
20
|
18
|
24
|
26
|
26
|
20
|
24
|
37
|
27
|
11
|
23
|
14
|
21
|
36
|
33
|
25
|
26
|
16
|
15
|
18
|
17
|
16
|
11
|
|
|
2024/03
|
68
|
48
|
43
|
37
|
26
|
41
|
55
|
43
|
51
|
46
|
42
|
36
|
40
|
31
|
35
|
23
|
20
|
16
|
28
|
48
|
41
|
46
|
38
|
29
|
17
|
13
|
21
|
20
|
22
|
28
|
22
|
|
2024/02
|
23
|
16
|
16
|
25
|
35
|
40
|
55
|
61
|
87
|
130
|
73
|
60
|
62
|
59
|
52
|
28
|
37
|
44
|
59
|
36
|
16
|
26
|
27
|
23
|
24
|
40
|
52
|
49
|
61
|
||
|
2024/01
|
52
|
49
|
41
|
63
|
74
|
85
|
79
|
102
|
88
|
61
|
62
|
64
|
74
|
71
|
102
|
61
|
38
|
18
|
15
|
19
|
44
|
41
|
46
|
51
|
57
|
46
|
45
|
55
|
61
|
63
|
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