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
4 Sep
Sat
5 Sep
Sun
6 Sep
Mon
7 Sep
Tue
8 Sep
Wed
9 Sep
Thu
10 Sep
Real-time AQI (Monitoring Station in Yanbian Prefecture)
妇幼医院
2316
PM2.5
18
PM10
21
O3
0.6
CO
6
SO2
10
NO2
延边医院
2316
PM2.5
19
PM10
35
O3
0.8
CO
4
SO2
8
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