Air Quality
Excellent
No health implications.
17
PM2.5
29
PM10
86
O3
0.5
CO
15
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 May
62
Good
Tue
21 May
66
Good
Wed
22 May
70
Good
Thu
23 May
77
Good
Fri
24 May
79
Good
Sat
25 May
83
Good
Air quality in the last 12 months (Yanbian Prefecture)
|
2024/02
|
38
|
56
|
36
|
32
|
39
|
32
|
31
|
33
|
32
|
43
|
47
|
46
|
33
|
36
|
37
|
36
|
34
|
33
|
31
|
29
|
36
|
44
|
50
|
39
|
34
|
36
|
35
|
29
|
36
|
||
|
2024/01
|
52
|
47
|
56
|
55
|
58
|
69
|
69
|
64
|
57
|
56
|
59
|
71
|
86
|
92
|
76
|
49
|
43
|
47
|
53
|
73
|
67
|
43
|
55
|
57
|
44
|
35
|
46
|
38
|
44
|
46
|
35
|
|
2023/12
|
57
|
46
|
50
|
47
|
52
|
38
|
52
|
79
|
77
|
48
|
37
|
50
|
58
|
32
|
42
|
51
|
45
|
29
|
38
|
51
|
63
|
51
|
43
|
54
|
46
|
38
|
47
|
51
|
51
|
53
|
58
|
|
2023/11
|
52
|
52
|
50
|
44
|
33
|
45
|
53
|
51
|
51
|
53
|
54
|
56
|
52
|
49
|
44
|
35
|
55
|
72
|
68
|
67
|
56
|
53
|
55
|
53
|
49
|
50
|
57
|
62
|
56
|
58
|
|
|
2023/10
|
23
|
20
|
19
|
23
|
28
|
34
|
26
|
34
|
26
|
25
|
44
|
47
|
34
|
26
|
33
|
46
|
42
|
43
|
46
|
30
|
53
|
61
|
53
|
55
|
44
|
38
|
38
|
46
|
44
|
52
|
55
|
|
2023/09
|
44
|
32
|
43
|
48
|
59
|
55
|
52
|
57
|
52
|
41
|
49
|
38
|
28
|
44
|
57
|
56
|
48
|
41
|
30
|
36
|
39
|
36
|
36
|
38
|
33
|
26
|
42
|
35
|
28
|
32
|
|
|
2023/08
|
30
|
36
|
32
|
32
|
24
|
39
|
30
|
38
|
36
|
34
|
38
|
50
|
37
|
58
|
50
|
50
|
55
|
44
|
42
|
52
|
31
|
37
|
41
|
27
|
38
|
38
|
27
|
36
|
48
|
34
|
47
|
|
2023/07
|
26
|
26
|
24
|
24
|
38
|
21
|
23
|
27
|
29
|
35
|
21
|
21
|
25
|
26
|
37
|
42
|
41
|
47
|
43
|
46
|
38
|
34
|
35
|
31
|
36
|
35
|
31
|
29
|
25
|
45
|
45
|
|
2023/06
|
41
|
36
|
35
|
36
|
39
|
40
|
45
|
31
|
33
|
39
|
42
|
39
|
50
|
41
|
33
|
50
|
38
|
34
|
32
|
30
|
36
|
25
|
34
|
43
|
51
|
58
|
49
|
30
|
26
|
28
|
|
|
2023/05
|
41
|
39
|
31
|
34
|
38
|
41
|
39
|
44
|
39
|
48
|
56
|
47
|
40
|
46
|
37
|
58
|
40
|
48
|
39
|
38
|
38
|
40
|
42
|
47
|
37
|
34
|
33
|
33
|
37
|
45
|
40
|
|
2023/04
|
45
|
37
|
34
|
40
|
39
|
37
|
45
|
48
|
45
|
47
|
57
|
63
|
65
|
83
|
59
|
78
|
68
|
58
|
50
|
49
|
46
|
46
|
42
|
35
|
39
|
39
|
41
|
39
|
44
|
41
|
|
|
2023/03
|
48
|
48
|
50
|
55
|
61
|
74
|
65
|
51
|
61
|
57
|
56
|
56
|
35
|
57
|
60
|
39
|
53
|
51
|
56
|
30
|
32
|
31
|
31
|
34
|
36
|
41
|
46
|
46
|
46
|
46
|
45
|
|
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