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
29 Aug
Sat
30 Aug
Sun
31 Aug
Mon
1 Sep
Tue
2 Sep
Wed
3 Sep
Thu
4 Sep
Real-time AQI (Monitoring Station in Yanbian Prefecture)
妇幼医院
123
PM2.5
12
PM10
30
O3
0.5
CO
7
SO2
10
NO2
延边医院
557
PM2.5
60 *
PM10
45
O3
0.6
CO
6
SO2
13
NO2
朝阳川镇医院
113
PM2.5
6
PM10
33
O3
0.6
CO
6
SO2
14
NO2
Air quality in the last 12 months (Yanbian Prefecture)
|
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
|
|
|
2024/08
|
22
|
22
|
21
|
13
|
12
|
15
|
20
|
28
|
26
|
21
|
10
|
10
|
21
|
27
|
23
|
17
|
16
|
21
|
22
|
8
|
13
|
16
|
14
|
29
|
36
|
28
|
19
|
21
|
26
|
23
|
17
|
|
2024/07
|
34
|
31
|
13
|
27
|
34
|
22
|
12
|
33
|
45
|
56
|
61
|
71
|
56
|
46
|
40
|
32
|
22
|
16
|
27
|
36
|
28
|
24
|
21
|
16
|
18
|
10
|
19
|
15
|
15
|
20
|
21
|
|
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