Air Quality
Excellent
No health implications.
18
PM2.5
41
PM10
24
O3
0.5
CO
7
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Jun
65
Good
Mon
9 Jun
67
Good
Tue
10 Jun
44
Excellent
Wed
11 Jun
44
Excellent
Thu
12 Jun
55
Good
Fri
13 Jun
33
Excellent
Sat
14 Jun
36
Excellent
Air quality in the last 12 months (Changbai)
|
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
|
|
2024/06
|
17
|
15
|
19
|
27
|
27
|
24
|
24
|
22
|
19
|
23
|
35
|
21
|
21
|
18
|
18
|
22
|
32
|
29
|
35
|
35
|
37
|
21
|
16
|
23
|
15
|
25
|
29
|
44
|
39
|
34
|
|
|
2024/05
|
36
|
52
|
53
|
47
|
37
|
19
|
26
|
25
|
46
|
47
|
36
|
39
|
41
|
44
|
22
|
27
|
32
|
50
|
25
|
13
|
19
|
32
|
28
|
19
|
23
|
15
|
12
|
16
|
22
|
20
|
19
|
|
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