Air Quality
Excellent
No health implications.
14
PM2.5
37
PM10
97
O3
0.7
CO
9
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 May
61
Good
Mon
6 May
54
Good
Tue
7 May
52
Good
Wed
8 May
44
Excellent
Thu
9 May
69
Good
Fri
10 May
71
Good
Sat
11 May
71
Good
Air quality in the last 12 months (Changbai)
|
2024/02
|
39
|
40
|
39
|
36
|
35
|
42
|
44
|
42
|
66
|
200
|
68
|
71
|
74
|
70
|
42
|
41
|
40
|
61
|
43
|
37
|
34
|
33
|
35
|
72
|
89
|
55
|
55
|
48
|
56
|
||
|
2024/01
|
90
|
71
|
74
|
72
|
45
|
43
|
32
|
49
|
44
|
56
|
53
|
42
|
47
|
47
|
47
|
52
|
60
|
44
|
40
|
40
|
43
|
44
|
37
|
40
|
44
|
55
|
53
|
54
|
67
|
70
|
54
|
|
2023/12
|
45
|
53
|
45
|
69
|
73
|
60
|
34
|
59
|
49
|
26
|
26
|
36
|
49
|
29
|
30
|
48
|
43
|
52
|
55
|
49
|
47
|
53
|
60
|
69
|
77
|
46
|
47
|
57
|
68
|
79
|
88
|
|
2023/11
|
45
|
34
|
31
|
39
|
31
|
22
|
31
|
35
|
23
|
22
|
23
|
29
|
33
|
42
|
48
|
47
|
26
|
40
|
40
|
36
|
49
|
56
|
30
|
23
|
31
|
30
|
43
|
31
|
32
|
31
|
|
|
2023/10
|
27
|
30
|
31
|
25
|
25
|
28
|
32
|
35
|
31
|
34
|
34
|
35
|
41
|
43
|
46
|
40
|
41
|
45
|
22
|
24
|
27
|
39
|
45
|
57
|
57
|
44
|
39
|
42
|
39
|
76
|
58
|
|
2023/09
|
24
|
33
|
37
|
36
|
38
|
31
|
39
|
41
|
47
|
33
|
30
|
26
|
28
|
28
|
33
|
34
|
26
|
28
|
26
|
20
|
27
|
33
|
28
|
30
|
30
|
31
|
29
|
32
|
29
|
24
|
|
|
2023/08
|
31
|
26
|
24
|
30
|
21
|
16
|
19
|
24
|
26
|
17
|
16
|
17
|
17
|
20
|
22
|
25
|
23
|
28
|
30
|
31
|
34
|
20
|
26
|
27
|
21
|
29
|
29
|
28
|
20
|
17
|
27
|
|
2023/07
|
30
|
33
|
37
|
40
|
28
|
39
|
37
|
43
|
31
|
24
|
24
|
23
|
31
|
21
|
26
|
18
|
19
|
30
|
40
|
45
|
44
|
33
|
24
|
26
|
29
|
28
|
24
|
16
|
22
|
17
|
31
|
|
2023/06
|
48
|
28
|
27
|
30
|
36
|
30
|
29
|
26
|
23
|
27
|
30
|
28
|
27
|
34
|
39
|
39
|
45
|
50
|
40
|
24
|
20
|
20
|
27
|
27
|
34
|
34
|
22
|
35
|
37
|
37
|
|
|
2023/05
|
37
|
46
|
51
|
50
|
38
|
30
|
38
|
45
|
52
|
43
|
45
|
47
|
43
|
36
|
43
|
53
|
37
|
28
|
33
|
26
|
88
|
43
|
38
|
41
|
43
|
33
|
37
|
44
|
41
|
32
|
36
|
|
2023/04
|
61
|
55
|
63
|
71
|
38
|
60
|
80
|
50
|
52
|
65
|
213
|
182
|
159
|
71
|
76
|
55
|
61
|
67
|
80
|
96
|
238
|
57
|
52
|
48
|
56
|
31
|
39
|
43
|
35
|
28
|
|
|
2023/03
|
55
|
42
|
50
|
53
|
53
|
67
|
73
|
62
|
51
|
52
|
89
|
45
|
39
|
47
|
52
|
49
|
41
|
54
|
58
|
59
|
64
|
49
|
197
|
81
|
58
|
49
|
53
|
57
|
60
|
69
|
55
|
|
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