Air Quality
Excellent
No health implications.
19
PM2.5
44
PM10
20
O3
0.3
CO
3
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Nov
49
Excellent
Wed
26 Nov
50
Excellent
Thu
27 Nov
49
Excellent
Fri
28 Nov
42
Excellent
Sat
29 Nov
53
Good
Sun
30 Nov
48
Excellent
Mon
1 Dec
17
Excellent
Air quality in the last 12 months (Songtao)
|
2025/10
|
23
|
21
|
23
|
23
|
27
|
24
|
24
|
28
|
26
|
27
|
26
|
38
|
26
|
13
|
19
|
14
|
16
|
11
|
10
|
10
|
11
|
23
|
27
|
31
|
44
|
35
|
23
|
27
|
37
|
33
|
27
|
|
2025/09
|
21
|
19
|
22
|
20
|
20
|
29
|
23
|
26
|
18
|
19
|
27
|
29
|
26
|
26
|
23
|
22
|
24
|
22
|
16
|
12
|
21
|
21
|
16
|
18
|
19
|
15
|
20
|
23
|
26
|
20
|
|
|
2025/08
|
23
|
21
|
23
|
24
|
25
|
21
|
17
|
13
|
18
|
19
|
21
|
15
|
21
|
20
|
16
|
18
|
18
|
23
|
20
|
17
|
14
|
22
|
21
|
20
|
18
|
19
|
18
|
19
|
25
|
24
|
22
|
|
2025/07
|
19
|
17
|
18
|
16
|
18
|
20
|
20
|
24
|
28
|
23
|
26
|
27
|
27
|
21
|
19
|
17
|
20
|
22
|
27
|
25
|
15
|
13
|
14
|
16
|
15
|
20
|
24
|
19
|
23
|
18
|
20
|
|
2025/06
|
16
|
22
|
26
|
25
|
28
|
33
|
28
|
26
|
28
|
29
|
28
|
24
|
22
|
19
|
23
|
26
|
19
|
14
|
16
|
20
|
16
|
19
|
18
|
25
|
20
|
17
|
19
|
19
|
22
|
23
|
|
|
2025/05
|
35
|
49
|
44
|
39
|
29
|
34
|
50
|
28
|
20
|
21
|
26
|
30
|
33
|
48
|
38
|
24
|
36
|
36
|
38
|
37
|
27
|
27
|
32
|
46
|
38
|
26
|
20
|
13
|
20
|
23
|
24
|
|
2025/04
|
33
|
42
|
47
|
55
|
55
|
54
|
53
|
57
|
49
|
44
|
46
|
39
|
111
|
80
|
65
|
59
|
56
|
53
|
29
|
32
|
33
|
33
|
37
|
26
|
33
|
31
|
22
|
26
|
37
|
18
|
|
|
2025/03
|
41
|
37
|
15
|
21
|
23
|
23
|
27
|
25
|
32
|
40
|
41
|
45
|
56
|
28
|
14
|
30
|
40
|
27
|
30
|
29
|
36
|
46
|
43
|
44
|
48
|
58
|
69
|
66
|
46
|
31
|
35
|
|
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
|
|
|
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