Air Quality
Excellent
No health implications.
3
PM2.5
8
PM10
11
O3
0.6
CO
8
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Oct
40
Excellent
Fri
2 Oct
41
Excellent
Sat
3 Oct
39
Excellent
Sun
4 Oct
39
Excellent
Mon
5 Oct
38
Excellent
Tue
6 Oct
46
Excellent
Wed
7 Oct
35
Excellent
Air quality in the last 12 months (Changbai)
|
2026/08
|
26
|
19
|
20
|
27
|
29
|
30
|
30
|
19
|
24
|
27
|
29
|
28
|
20
|
16
|
22
|
19
|
21
|
19
|
24
|
25
|
23
|
27
|
21
|
21
|
22
|
23
|
25
|
27
|
18
|
23
|
27
|
|
2026/07
|
31
|
20
|
21
|
23
|
27
|
24
|
20
|
18
|
22
|
20
|
20
|
23
|
22
|
16
|
19
|
27
|
35
|
30
|
28
|
25
|
27
|
28
|
29
|
20
|
16
|
19
|
16
|
20
|
25
|
23
|
24
|
|
2026/06
|
38
|
44
|
39
|
26
|
23
|
21
|
18
|
18
|
21
|
21
|
22
|
23
|
33
|
39
|
36
|
31
|
31
|
29
|
30
|
26
|
20
|
27
|
25
|
29
|
26
|
29
|
36
|
36
|
29
|
30
|
|
|
2026/05
|
48
|
42
|
28
|
30
|
31
|
38
|
25
|
25
|
31
|
33
|
35
|
42
|
36
|
35
|
43
|
47
|
42
|
34
|
32
|
27
|
30
|
32
|
30
|
25
|
42
|
37
|
24
|
25
|
29
|
34
|
40
|
|
2026/04
|
61
|
68
|
62
|
33
|
40
|
32
|
28
|
32
|
49
|
35
|
31
|
48
|
69
|
99
|
86
|
49
|
42
|
36
|
52
|
63
|
72
|
48
|
51
|
43
|
44
|
30
|
25
|
29
|
35
|
40
|
|
|
2026/03
|
36
|
43
|
40
|
56
|
51
|
38
|
31
|
35
|
49
|
48
|
51
|
64
|
64
|
71
|
166
|
121
|
99
|
148
|
41
|
44
|
65
|
116
|
101
|
65
|
69
|
65
|
72
|
70
|
54
|
41
|
37
|
|
2026/02
|
46
|
49
|
51
|
78
|
91
|
65
|
35
|
41
|
46
|
74
|
67
|
59
|
82
|
95
|
47
|
66
|
200
|
43
|
46
|
53
|
61
|
91
|
76
|
48
|
48
|
65
|
52
|
41
|
|||
|
2026/01
|
33
|
34
|
45
|
51
|
46
|
52
|
45
|
36
|
68
|
53
|
34
|
37
|
33
|
42
|
53
|
42
|
34
|
31
|
31
|
39
|
38
|
40
|
45
|
40
|
35
|
38
|
48
|
36
|
41
|
36
|
39
|
|
2025/12
|
37
|
26
|
22
|
37
|
44
|
61
|
68
|
26
|
43
|
58
|
29
|
45
|
34
|
42
|
59
|
51
|
33
|
46
|
39
|
37
|
32
|
41
|
50
|
24
|
27
|
31
|
41
|
74
|
45
|
27
|
31
|
|
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
|
|
|
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