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 May
Fri
30 May
Sat
31 May
Sun
1 Jun
Mon
2 Jun
Tue
3 Jun
Wed
4 Jun
Real-time AQI (Monitoring Station in Yanbian Prefecture)
妇幼医院
2215
PM2.5
21
PM10
28
O3
0.5
CO
5
SO2
14
NO2
延边医院
2920
PM2.5
23
PM10
23
O3
0.5
CO
8
SO2
23
NO2
朝阳川镇医院
2819
PM2.5
24
PM10
22
O3
0.7
CO
7
SO2
19
NO2
Air quality in the last 12 months (Yanbian Prefecture)
|
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
|
|
2024/06
|
14
|
15
|
19
|
22
|
21
|
21
|
22
|
19
|
17
|
20
|
31
|
25
|
21
|
12
|
16
|
23
|
31
|
21
|
35
|
33
|
31
|
9
|
8
|
17
|
11
|
24
|
32
|
48
|
37
|
30
|
|
|
2024/05
|
29
|
50
|
56
|
46
|
42
|
26
|
28
|
26
|
39
|
36
|
34
|
31
|
41
|
45
|
16
|
23
|
30
|
50
|
20
|
10
|
20
|
36
|
30
|
18
|
18
|
14
|
14
|
17
|
22
|
17
|
16
|
|
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