Air Quality
Excellent
No health implications.
22
PM2.5
50
PM10
70
O3
0.5
CO
6
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
7 May
58
Good
Thu
8 May
45
Excellent
Fri
9 May
52
Good
Sat
10 May
46
Excellent
Sun
11 May
66
Good
Mon
12 May
75
Good
Tue
13 May
44
Excellent
Air quality in the last 12 months (Songtao)
|
2025/02
|
28
|
18
|
37
|
38
|
52
|
52
|
43
|
72
|
46
|
44
|
42
|
60
|
60
|
34
|
36
|
40
|
29
|
27
|
30
|
37
|
83
|
31
|
45
|
79
|
46
|
33
|
34
|
36
|
|||
|
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
|
|
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