Air Quality
Excellent
No health implications.
4
PM2.5
14
PM10
78
O3
0.5
CO
7
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Aug
36
Excellent
Thu
28 Aug
25
Excellent
Fri
29 Aug
33
Excellent
Sat
30 Aug
37
Excellent
Sun
31 Aug
32
Excellent
Mon
1 Sep
43
Excellent
Tue
2 Sep
43
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