Air Quality
Excellent
No health implications.
9
PM2.5
13
PM10
23
O3
0.7
CO
5
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Aug
35
Excellent
Tue
26 Aug
34
Excellent
Wed
27 Aug
35
Excellent
Thu
28 Aug
28
Excellent
Fri
29 Aug
36
Excellent
Sat
30 Aug
32
Excellent
Sun
31 Aug
31
Excellent
Air quality in the last 12 months (Changbai)
|
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
|
|
|
2024/08
|
23
|
22
|
24
|
22
|
18
|
15
|
21
|
28
|
31
|
31
|
18
|
16
|
26
|
30
|
27
|
24
|
26
|
30
|
27
|
17
|
20
|
14
|
14
|
28
|
37
|
29
|
23
|
26
|
28
|
29
|
20
|
|
2024/07
|
31
|
33
|
14
|
27
|
26
|
23
|
12
|
30
|
45
|
48
|
54
|
63
|
58
|
55
|
50
|
36
|
21
|
17
|
29
|
32
|
23
|
24
|
18
|
15
|
17
|
14
|
14
|
14
|
16
|
21
|
23
|
|
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