Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Feb
Mon
2 Feb
Tue
3 Feb
Wed
4 Feb
Thu
5 Feb
Fri
6 Feb
Sat
7 Feb
Yanbian Prefecture Air quality rank
Real-time AQI (Monitoring Station in Yanbian Prefecture)
妇幼医院
6547 *
PM2.5
55
PM10
59
O3
0.5
CO
7
SO2
22
NO2
延边医院
3927
PM2.5
36
PM10
52
O3
0.6
CO
11
SO2
24
NO2
朝阳川镇医院
5018
PM2.5
50
PM10
69
O3
0.5
CO
4
SO2
9
NO2
Air quality in the last 12 months (Yanbian Prefecture)
|
2025/12
|
42
|
26
|
21
|
27
|
37
|
66
|
73
|
26
|
42
|
62
|
28
|
38
|
40
|
46
|
71
|
43
|
33
|
54
|
72
|
47
|
34
|
46
|
66
|
33
|
31
|
22
|
38
|
90
|
58
|
23
|
24
|
|
2025/11
|
27
|
28
|
35
|
46
|
51
|
51
|
40
|
36
|
39
|
26
|
43
|
53
|
35
|
60
|
55
|
39
|
34
|
34
|
38
|
38
|
37
|
50
|
68
|
111
|
110
|
86
|
76
|
36
|
40
|
35
|
|
|
2025/10
|
25
|
33
|
33
|
31
|
19
|
19
|
24
|
33
|
26
|
24
|
17
|
22
|
26
|
36
|
39
|
41
|
28
|
19
|
21
|
23
|
27
|
31
|
36
|
42
|
50
|
43
|
46
|
56
|
68
|
49
|
30
|
|
2025/09
|
14
|
18
|
26
|
26
|
29
|
20
|
22
|
26
|
24
|
21
|
19
|
28
|
32
|
33
|
24
|
28
|
18
|
18
|
21
|
20
|
24
|
25
|
27
|
19
|
26
|
25
|
23
|
18
|
28
|
29
|
|
|
2025/08
|
25
|
20
|
23
|
14
|
22
|
15
|
22
|
15
|
19
|
17
|
18
|
25
|
26
|
22
|
27
|
30
|
16
|
20
|
24
|
19
|
18
|
24
|
20
|
20
|
17
|
10
|
17
|
18
|
17
|
24
|
16
|
|
2025/07
|
17
|
22
|
24
|
22
|
27
|
32
|
24
|
30
|
28
|
28
|
16
|
25
|
24
|
13
|
18
|
17
|
18
|
18
|
19
|
20
|
15
|
26
|
26
|
20
|
29
|
21
|
21
|
17
|
31
|
28
|
24
|
|
2025/06
|
39
|
39
|
20
|
15
|
37
|
35
|
35
|
22
|
34
|
21
|
15
|
20
|
35
|
34
|
32
|
15
|
18
|
29
|
33
|
18
|
18
|
24
|
28
|
35
|
34
|
32
|
43
|
46
|
37
|
27
|
|
|
2025/05
|
22
|
22
|
19
|
13
|
18
|
23
|
38
|
45
|
43
|
17
|
22
|
33
|
46
|
47
|
24
|
31
|
20
|
24
|
22
|
19
|
38
|
39
|
19
|
29
|
26
|
21
|
33
|
27
|
33
|
38
|
37
|
|
2025/04
|
50
|
40
|
34
|
38
|
34
|
29
|
23
|
32
|
40
|
46
|
52
|
33
|
14
|
14
|
20
|
22
|
24
|
30
|
29
|
28
|
33
|
16
|
16
|
39
|
54
|
42
|
60
|
41
|
59
|
34
|
|
|
2025/03
|
98
|
20
|
24
|
33
|
35
|
41
|
49
|
47
|
72
|
76
|
100
|
104
|
61
|
30
|
44
|
28
|
34
|
36
|
50
|
47
|
60
|
27
|
28
|
53
|
92
|
41
|
37
|
23
|
22
|
27
|
38
|
|
2025/02
|
47
|
61
|
47
|
31
|
29
|
21
|
25
|
22
|
30
|
36
|
57
|
54
|
43
|
53
|
52
|
56
|
31
|
23
|
25
|
28
|
28
|
27
|
26
|
38
|
127
|
87
|
64
|
87
|
|||
|
2025/01
|
40
|
40
|
36
|
49
|
68
|
46
|
36
|
29
|
32
|
35
|
41
|
48
|
57
|
43
|
29
|
37
|
46
|
62
|
63
|
70
|
69
|
61
|
52
|
48
|
51
|
50
|
30
|
23
|
52
|
30
|
39
|
|
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
*: primary pollution