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
20 Oct
Wed
21 Oct
Thu
22 Oct
Fri
23 Oct
Sat
24 Oct
Sun
25 Oct
Mon
26 Oct
Real-time AQI (Monitoring Station in Yanbian Prefecture)
延边医院
3922
PM2.5
39
PM10
70
O3
0.8
CO
6
SO2
13
NO2
朝阳川镇医院
3110
PM2.5
31
PM10
67
O3
0.5
CO
4
SO2
9
NO2
Air quality in the last 12 months (Yanbian Prefecture)
|
2026/08
|
23
|
11
|
11
|
20
|
27
|
27
|
24
|
19
|
19
|
20
|
18
|
20
|
13
|
16
|
16
|
17
|
23
|
22
|
21
|
22
|
24
|
23
|
26
|
23
|
22
|
24
|
22
|
23
|
19
|
20
|
19
|
|
2026/07
|
27
|
15
|
17
|
24
|
27
|
22
|
16
|
16
|
21
|
19
|
22
|
19
|
21
|
15
|
16
|
22
|
26
|
26
|
25
|
22
|
18
|
28
|
28
|
16
|
11
|
11
|
10
|
17
|
29
|
27
|
24
|
|
2026/06
|
34
|
43
|
33
|
24
|
23
|
22
|
16
|
14
|
15
|
17
|
20
|
24
|
28
|
29
|
31
|
20
|
28
|
30
|
26
|
23
|
18
|
23
|
15
|
25
|
24
|
25
|
31
|
30
|
26
|
29
|
|
|
2026/05
|
37
|
32
|
27
|
32
|
34
|
37
|
24
|
26
|
29
|
32
|
37
|
40
|
38
|
30
|
36
|
45
|
42
|
29
|
29
|
27
|
27
|
30
|
27
|
27
|
36
|
35
|
24
|
20
|
29
|
26
|
30
|
|
2026/04
|
51
|
62
|
69
|
38
|
39
|
27
|
26
|
35
|
51
|
33
|
26
|
34
|
49
|
29
|
29
|
30
|
39
|
31
|
38
|
54
|
65
|
45
|
59
|
29
|
30
|
30
|
21
|
28
|
30
|
34
|
|
|
2026/03
|
33
|
48
|
35
|
54
|
54
|
40
|
27
|
36
|
37
|
43
|
55
|
60
|
74
|
50
|
82
|
87
|
122
|
193
|
38
|
44
|
89
|
138
|
101
|
66
|
76
|
75
|
88
|
71
|
59
|
38
|
35
|
|
2026/02
|
42
|
37
|
46
|
78
|
79
|
58
|
25
|
27
|
41
|
67
|
43
|
51
|
63
|
72
|
45
|
41
|
140
|
31
|
37
|
46
|
55
|
97
|
95
|
44
|
45
|
64
|
55
|
27
|
|||
|
2026/01
|
22
|
28
|
33
|
41
|
38
|
47
|
44
|
32
|
75
|
58
|
32
|
40
|
36
|
36
|
58
|
35
|
33
|
34
|
27
|
24
|
26
|
22
|
31
|
29
|
24
|
40
|
39
|
30
|
37
|
28
|
30
|
|
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
|
|
|
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