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
10 Sep
Thu
11 Sep
Fri
12 Sep
Sat
13 Sep
Sun
14 Sep
Mon
15 Sep
Tue
16 Sep
Real-time AQI (Monitoring Station in Yanbian Prefecture)
妇幼医院
238
PM2.5
23
PM10
3
O3
0.6
CO
7
SO2
24
NO2
延边医院
2910
PM2.5
29
PM10
8
O3
0.6
CO
7
SO2
30
NO2
朝阳川镇医院
198
PM2.5
19
PM10
6
O3
0.7
CO
6
SO2
21
NO2
Air quality in the last 12 months (Yanbian Prefecture)
|
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
|
|
2024/12
|
39
|
20
|
25
|
27
|
21
|
27
|
25
|
26
|
42
|
34
|
22
|
35
|
35
|
36
|
33
|
29
|
34
|
26
|
35
|
51
|
33
|
28
|
27
|
31
|
48
|
52
|
29
|
30
|
33
|
56
|
38
|
|
2024/11
|
47
|
37
|
36
|
30
|
21
|
37
|
33
|
52
|
68
|
63
|
115
|
56
|
51
|
65
|
69
|
29
|
32
|
27
|
36
|
49
|
42
|
23
|
40
|
47
|
45
|
21
|
17
|
29
|
25
|
18
|
|
|
2024/10
|
9
|
20
|
28
|
28
|
31
|
46
|
19
|
33
|
37
|
34
|
29
|
36
|
36
|
36
|
22
|
22
|
37
|
36
|
27
|
25
|
44
|
47
|
18
|
33
|
43
|
56
|
33
|
28
|
34
|
45
|
54
|
|
2024/09
|
29
|
17
|
22
|
25
|
20
|
18
|
27
|
22
|
27
|
21
|
25
|
22
|
19
|
13
|
18
|
23
|
20
|
25
|
38
|
14
|
13
|
14
|
22
|
22
|
25
|
22
|
27
|
26
|
27
|
30
|
|
|
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