Air Quality
Excellent
No health implications.
5
PM2.5
13
PM10
27
O3
0.7
CO
3
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Nov
45
Excellent
Mon
18 Nov
50
Excellent
Tue
19 Nov
48
Excellent
Wed
20 Nov
53
Good
Thu
21 Nov
62
Good
Fri
22 Nov
58
Good
Air quality in the last 12 months (Songtao)
|
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
|
|
2023/12
|
26
|
27
|
30
|
33
|
43
|
43
|
38
|
50
|
76
|
57
|
15
|
19
|
23
|
31
|
16
|
29
|
30
|
22
|
30
|
39
|
60
|
62
|
57
|
54
|
54
|
60
|
64
|
78
|
128
|
103
|
76
|
|
2023/11
|
28
|
32
|
43
|
45
|
39
|
21
|
19
|
27
|
20
|
21
|
12
|
21
|
25
|
25
|
24
|
25
|
29
|
37
|
38
|
27
|
29
|
47
|
55
|
50
|
48
|
45
|
38
|
42
|
48
|
41
|
|
|
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