Air Quality
Excellent
No health implications.
12
PM2.5
23
PM10
60
O3
0.5
CO
10
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Mar
57
Good
Thu
20 Mar
54
Good
Fri
21 Mar
55
Good
Sat
22 Mar
58
Good
Sun
23 Mar
55
Good
Mon
24 Mar
32
Excellent
Tue
25 Mar
33
Excellent
Air quality in the last 12 months (Yanbian Prefecture)
|
2025/02
|
61
|
56
|
28
|
46
|
60
|
55
|
39
|
40
|
47
|
41
|
33
|
35
|
44
|
47
|
35
|
41
|
37
|
44
|
47
|
38
|
42
|
38
|
43
|
47
|
39
|
40
|
41
|
38
|
|||
|
2025/01
|
59
|
56
|
61
|
62
|
52
|
64
|
60
|
38
|
53
|
59
|
29
|
54
|
54
|
56
|
48
|
73
|
67
|
72
|
66
|
78
|
69
|
62
|
78
|
59
|
43
|
32
|
42
|
50
|
58
|
75
|
48
|
|
2024/12
|
52
|
54
|
53
|
47
|
49
|
51
|
48
|
50
|
47
|
42
|
48
|
55
|
50
|
40
|
44
|
61
|
56
|
58
|
48
|
49
|
59
|
49
|
49
|
57
|
65
|
63
|
66
|
68
|
67
|
55
|
50
|
|
2024/11
|
42
|
29
|
40
|
35
|
33
|
45
|
37
|
17
|
29
|
36
|
40
|
43
|
42
|
45
|
52
|
49
|
47
|
46
|
57
|
48
|
52
|
33
|
37
|
43
|
44
|
41
|
42
|
37
|
37
|
40
|
|
|
2024/10
|
18
|
31
|
37
|
42
|
29
|
23
|
22
|
28
|
29
|
29
|
25
|
34
|
45
|
31
|
29
|
30
|
41
|
47
|
50
|
45
|
37
|
33
|
30
|
36
|
47
|
46
|
23
|
41
|
51
|
47
|
42
|
|
2024/09
|
35
|
27
|
34
|
37
|
22
|
21
|
37
|
39
|
38
|
24
|
30
|
30
|
35
|
39
|
46
|
26
|
29
|
38
|
48
|
50
|
49
|
40
|
27
|
49
|
46
|
38
|
56
|
34
|
31
|
34
|
|
|
2024/08
|
46
|
51
|
42
|
34
|
38
|
36
|
31
|
32
|
30
|
24
|
41
|
47
|
46
|
54
|
56
|
48
|
45
|
36
|
41
|
43
|
46
|
54
|
44
|
44
|
43
|
33
|
28
|
45
|
54
|
53
|
42
|
|
2024/07
|
33
|
31
|
28
|
22
|
22
|
29
|
22
|
20
|
25
|
29
|
24
|
30
|
26
|
32
|
26
|
35
|
32
|
35
|
33
|
27
|
38
|
45
|
51
|
42
|
31
|
42
|
51
|
46
|
25
|
18
|
42
|
|
2024/06
|
33
|
47
|
32
|
30
|
19
|
35
|
25
|
23
|
18
|
35
|
32
|
20
|
30
|
24
|
30
|
43
|
26
|
33
|
34
|
32
|
39
|
40
|
28
|
24
|
34
|
41
|
41
|
30
|
37
|
43
|
|
|
2024/05
|
51
|
46
|
37
|
46
|
54
|
49
|
46
|
45
|
49
|
49
|
35
|
21
|
24
|
35
|
22
|
35
|
46
|
39
|
25
|
24
|
33
|
41
|
34
|
35
|
25
|
20
|
22
|
34
|
24
|
30
|
22
|
|
2024/04
|
23
|
39
|
42
|
43
|
46
|
57
|
41
|
41
|
45
|
39
|
42
|
46
|
38
|
51
|
52
|
48
|
55
|
39
|
46
|
44
|
29
|
39
|
53
|
38
|
33
|
45
|
39
|
50
|
34
|
47
|
|
|
2024/03
|
34
|
40
|
33
|
33
|
28
|
27
|
31
|
28
|
27
|
38
|
41
|
61
|
55
|
48
|
45
|
44
|
48
|
39
|
51
|
58
|
59
|
36
|
22
|
26
|
37
|
42
|
31
|
39
|
45
|
43
|
37
|
|
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