Air Quality
Excellent
No health implications.
3
PM2.5
28
PM10
20
O3
0.4
CO
5
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 Oct
35
Excellent
Sun
12 Oct
37
Excellent
Mon
13 Oct
37
Excellent
Tue
14 Oct
37
Excellent
Wed
15 Oct
37
Excellent
Thu
16 Oct
44
Excellent
Fri
17 Oct
28
Excellent
Air quality in the last 12 months (Changbai)
|
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
|
|
2024/11
|
54
|
55
|
40
|
26
|
24
|
30
|
38
|
50
|
61
|
56
|
78
|
46
|
48
|
56
|
45
|
38
|
36
|
32
|
36
|
50
|
52
|
40
|
41
|
50
|
51
|
27
|
25
|
43
|
36
|
40
|
|
|
2024/10
|
10
|
22
|
32
|
31
|
31
|
49
|
22
|
31
|
37
|
43
|
34
|
48
|
43
|
39
|
19
|
30
|
54
|
49
|
29
|
31
|
40
|
42
|
22
|
35
|
43
|
53
|
45
|
32
|
40
|
45
|
51
|
|
2024/09
|
28
|
18
|
27
|
30
|
16
|
23
|
32
|
23
|
30
|
22
|
23
|
23
|
23
|
19
|
21
|
32
|
20
|
25
|
34
|
16
|
9
|
16
|
23
|
24
|
30
|
20
|
27
|
31
|
30
|
34
|
|
|
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