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
16 Apr
Thu
17 Apr
Fri
18 Apr
Sat
19 Apr
Sun
20 Apr
Mon
21 Apr
Tue
22 Apr
Real-time AQI (Monitoring Station in Yanbian Prefecture)
妇幼医院
276
PM2.5
18
PM10
86
O3
0.4
CO
18
SO2
19
NO2
延边医院
303
PM2.5
15
PM10
96
O3
0.3
CO
8
SO2
10
NO2
朝阳川镇医院
313
PM2.5
12
PM10
99
O3
0.2
CO
6
SO2
4
NO2
Air quality in the last 12 months (Yanbian Prefecture)
|
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
|
|
2024/04
|
75
|
62
|
54
|
32
|
32
|
49
|
53
|
49
|
42
|
52
|
49
|
47
|
45
|
49
|
40
|
177
|
59
|
49
|
51
|
79
|
44
|
27
|
15
|
15
|
53
|
63
|
49
|
26
|
19
|
23
|
|
|
2024/03
|
59
|
43
|
39
|
41
|
39
|
37
|
37
|
38
|
27
|
49
|
69
|
33
|
46
|
52
|
95
|
52
|
39
|
36
|
36
|
29
|
26
|
34
|
31
|
36
|
23
|
34
|
42
|
49
|
89
|
49
|
52
|
|
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