Air Quality
Excellent
No health implications.
20
PM2.5
34
PM10
19
O3
0.8
CO
4
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Feb
83
Good
Wed
26 Feb
51
Good
Thu
27 Feb
62
Good
Fri
28 Feb
61
Good
Sat
1 Mar
62
Good
Sun
2 Mar
53
Good
Mon
3 Mar
47
Excellent
Songtao Air quality rank
Air quality in the last 12 months (Songtao)
|
2025/01
|
94
|
103
|
102
|
120
|
90
|
65
|
54
|
50
|
41
|
49
|
59
|
60
|
61
|
63
|
69
|
65
|
72
|
85
|
77
|
82
|
98
|
125
|
139
|
99
|
17
|
24
|
38
|
69
|
130
|
83
|
46
|
|
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
|
||
|
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