Air Quality
Excellent
No health implications.
21
PM2.5
37
PM10
35
O3
0.8
CO
7
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 Sep
50
Excellent
Wed
10 Sep
56
Good
Thu
11 Sep
55
Good
Fri
12 Sep
56
Good
Sat
13 Sep
54
Good
Sun
14 Sep
41
Excellent
Mon
15 Sep
41
Excellent
Air quality in the last 12 months (Yanbian Prefecture)
|
2025/08
|
34
|
38
|
31
|
35
|
31
|
30
|
37
|
28
|
33
|
28
|
27
|
25
|
27
|
36
|
43
|
33
|
26
|
30
|
28
|
26
|
32
|
23
|
22
|
22
|
27
|
38
|
37
|
35
|
31
|
38
|
32
|
|
2025/07
|
36
|
29
|
35
|
30
|
30
|
22
|
32
|
31
|
23
|
34
|
30
|
28
|
34
|
39
|
40
|
39
|
43
|
45
|
25
|
31
|
28
|
31
|
27
|
30
|
22
|
25
|
31
|
24
|
37
|
41
|
27
|
|
2025/06
|
30
|
28
|
19
|
31
|
41
|
41
|
32
|
31
|
32
|
49
|
43
|
43
|
49
|
49
|
22
|
39
|
27
|
27
|
25
|
19
|
14
|
21
|
34
|
25
|
25
|
43
|
26
|
38
|
26
|
21
|
|
|
2025/05
|
43
|
34
|
28
|
23
|
29
|
31
|
30
|
28
|
34
|
40
|
36
|
40
|
31
|
30
|
33
|
39
|
28
|
32
|
35
|
31
|
31
|
32
|
40
|
34
|
62
|
49
|
26
|
21
|
26
|
33
|
19
|
|
2025/04
|
51
|
60
|
64
|
58
|
47
|
53
|
47
|
59
|
60
|
57
|
44
|
51
|
40
|
42
|
41
|
37
|
32
|
31
|
32
|
25
|
25
|
32
|
35
|
41
|
37
|
59
|
53
|
45
|
47
|
27
|
|
|
2025/03
|
42
|
46
|
31
|
42
|
39
|
36
|
41
|
68
|
63
|
55
|
53
|
52
|
70
|
60
|
50
|
37
|
34
|
19
|
27
|
50
|
66
|
73
|
54
|
37
|
31
|
35
|
39
|
64
|
78
|
65
|
64
|
|
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
|
|
|
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