Air Quality
Excellent
No health implications.
21
PM2.5
26
PM10
8
O3
0.8
CO
14
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Oct
45
Excellent
Sun
18 Oct
51
Good
Mon
19 Oct
46
Excellent
Tue
20 Oct
46
Excellent
Wed
21 Oct
46
Excellent
Thu
22 Oct
41
Excellent
Fri
23 Oct
36
Excellent
Real-time AQI (Monitoring Station in Yanbian Prefecture)
延边医院
3021
PM2.5
26
PM10
8
O3
0.8
CO
14
SO2
18
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
Air quality source: CNEMC
*: primary pollution