Air Quality
Excellent
No health implications.
12
PM2.5
30
PM10
60
O3
0.5
CO
8
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 Jan
45
Excellent
Mon
12 Jan
51
Good
Tue
13 Jan
54
Good
Wed
14 Jan
58
Good
Thu
15 Jan
52
Good
Fri
16 Jan
52
Good
Sat
17 Jan
15
Excellent
Air quality in the last 12 months (Changbai)
|
2025/11
|
33
|
24
|
34
|
56
|
44
|
45
|
40
|
35
|
27
|
26
|
45
|
45
|
33
|
53
|
40
|
32
|
39
|
40
|
42
|
45
|
45
|
48
|
66
|
105
|
274
|
141
|
52
|
38
|
43
|
47
|
|
|
2025/10
|
30
|
39
|
40
|
42
|
32
|
17
|
21
|
31
|
27
|
23
|
17
|
25
|
36
|
43
|
40
|
48
|
30
|
19
|
19
|
26
|
39
|
40
|
48
|
49
|
50
|
50
|
44
|
52
|
50
|
36
|
29
|
|
2025/09
|
13
|
23
|
31
|
29
|
33
|
20
|
21
|
26
|
24
|
28
|
27
|
36
|
39
|
36
|
27
|
30
|
22
|
23
|
28
|
22
|
27
|
33
|
39
|
20
|
27
|
30
|
26
|
21
|
30
|
33
|
|
|
2025/08
|
30
|
22
|
25
|
15
|
21
|
12
|
17
|
19
|
24
|
21
|
27
|
36
|
32
|
23
|
33
|
27
|
19
|
19
|
22
|
17
|
24
|
23
|
23
|
21
|
14
|
11
|
17
|
18
|
13
|
21
|
10
|
|
2025/07
|
17
|
18
|
24
|
19
|
25
|
30
|
29
|
37
|
38
|
39
|
32
|
33
|
28
|
19
|
17
|
18
|
18
|
14
|
22
|
19
|
14
|
25
|
24
|
20
|
28
|
26
|
31
|
29
|
30
|
30
|
31
|
|
2025/06
|
53
|
43
|
24
|
18
|
37
|
42
|
39
|
28
|
41
|
20
|
20
|
26
|
40
|
44
|
38
|
18
|
19
|
32
|
38
|
20
|
21
|
30
|
35
|
49
|
40
|
36
|
45
|
41
|
37
|
24
|
|
|
2025/05
|
21
|
23
|
17
|
18
|
25
|
26
|
39
|
52
|
53
|
21
|
26
|
42
|
55
|
46
|
17
|
28
|
19
|
25
|
24
|
33
|
33
|
53
|
31
|
35
|
29
|
27
|
34
|
32
|
44
|
47
|
50
|
|
2025/04
|
58
|
48
|
37
|
44
|
29
|
27
|
29
|
43
|
47
|
43
|
52
|
44
|
20
|
21
|
29
|
32
|
45
|
34
|
29
|
23
|
37
|
21
|
28
|
44
|
59
|
58
|
58
|
45
|
60
|
47
|
|
|
2025/03
|
86
|
27
|
20
|
31
|
32
|
47
|
50
|
50
|
59
|
68
|
74
|
82
|
60
|
35
|
42
|
33
|
46
|
48
|
47
|
49
|
59
|
48
|
49
|
67
|
84
|
62
|
42
|
32
|
35
|
32
|
46
|
|
2025/02
|
48
|
51
|
41
|
32
|
34
|
32
|
32
|
32
|
34
|
40
|
52
|
63
|
53
|
55
|
60
|
62
|
35
|
33
|
31
|
36
|
35
|
34
|
32
|
44
|
101
|
81
|
69
|
71
|
|||
|
2025/01
|
55
|
44
|
49
|
51
|
72
|
46
|
47
|
36
|
37
|
33
|
52
|
54
|
63
|
45
|
42
|
48
|
51
|
59
|
66
|
72
|
69
|
49
|
49
|
50
|
46
|
45
|
39
|
47
|
54
|
42
|
46
|
|
2024/12
|
49
|
27
|
37
|
34
|
37
|
38
|
33
|
43
|
52
|
52
|
36
|
44
|
52
|
51
|
43
|
40
|
49
|
39
|
50
|
58
|
36
|
40
|
44
|
40
|
58
|
61
|
43
|
48
|
42
|
62
|
39
|
|
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