Air Quality
Excellent
No health implications.
12
PM2.5
36
PM10
53
O3
0.4
CO
5
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Jan
46
Excellent
Thu
22 Jan
50
Excellent
Fri
23 Jan
47
Excellent
Sat
24 Jan
46
Excellent
Sun
25 Jan
52
Good
Mon
26 Jan
52
Good
Tue
27 Jan
19
Excellent
Air quality in the last 12 months (Yanji)
|
2025/11
|
28
|
33
|
37
|
45
|
57
|
51
|
47
|
42
|
44
|
24
|
47
|
63
|
37
|
65
|
61
|
44
|
27
|
26
|
45
|
39
|
32
|
55
|
77
|
121
|
111
|
88
|
85
|
41
|
45
|
33
|
|
|
2025/10
|
29
|
36
|
35
|
30
|
17
|
18
|
20
|
26
|
25
|
20
|
15
|
18
|
24
|
34
|
36
|
40
|
28
|
21
|
27
|
22
|
27
|
35
|
43
|
47
|
56
|
44
|
46
|
48
|
71
|
54
|
34
|
|
2025/09
|
18
|
23
|
29
|
26
|
34
|
21
|
24
|
29
|
27
|
22
|
17
|
28
|
33
|
33
|
20
|
29
|
15
|
17
|
21
|
20
|
20
|
28
|
24
|
18
|
24
|
23
|
23
|
20
|
27
|
28
|
|
|
2025/08
|
26
|
23
|
28
|
15
|
28
|
17
|
31
|
19
|
17
|
14
|
18
|
19
|
25
|
20
|
26
|
30
|
17
|
19
|
21
|
19
|
20
|
20
|
24
|
22
|
16
|
13
|
21
|
21
|
28
|
36
|
19
|
|
2025/07
|
20
|
22
|
22
|
24
|
27
|
22
|
20
|
24
|
25
|
23
|
20
|
21
|
26
|
17
|
21
|
17
|
18
|
18
|
19
|
20
|
17
|
19
|
21
|
23
|
24
|
22
|
21
|
16
|
32
|
25
|
21
|
|
2025/06
|
36
|
39
|
18
|
14
|
30
|
21
|
25
|
21
|
30
|
22
|
12
|
19
|
26
|
32
|
28
|
14
|
20
|
30
|
34
|
18
|
17
|
20
|
27
|
33
|
32
|
32
|
45
|
42
|
28
|
26
|
|
|
2025/05
|
22
|
21
|
23
|
15
|
18
|
23
|
36
|
39
|
41
|
18
|
26
|
31
|
36
|
44
|
25
|
30
|
19
|
24
|
22
|
20
|
39
|
33
|
17
|
24
|
22
|
20
|
33
|
31
|
31
|
39
|
34
|
|
2025/04
|
47
|
38
|
40
|
41
|
33
|
33
|
25
|
34
|
44
|
50
|
51
|
30
|
15
|
15
|
21
|
27
|
24
|
31
|
30
|
36
|
37
|
16
|
16
|
42
|
52
|
36
|
61
|
44
|
60
|
25
|
|
|
2025/03
|
97
|
19
|
22
|
31
|
33
|
39
|
44
|
44
|
76
|
74
|
94
|
96
|
56
|
26
|
37
|
29
|
37
|
39
|
48
|
47
|
63
|
26
|
26
|
54
|
97
|
43
|
38
|
23
|
23
|
29
|
42
|
|
2025/02
|
55
|
67
|
51
|
30
|
27
|
20
|
24
|
21
|
27
|
36
|
58
|
50
|
38
|
54
|
57
|
51
|
25
|
18
|
21
|
26
|
24
|
20
|
22
|
27
|
101
|
75
|
52
|
92
|
|||
|
2025/01
|
40
|
38
|
30
|
50
|
70
|
49
|
32
|
24
|
22
|
30
|
39
|
56
|
64
|
39
|
21
|
30
|
53
|
63
|
64
|
68
|
69
|
66
|
49
|
51
|
52
|
43
|
23
|
23
|
58
|
32
|
43
|
|
2024/12
|
32
|
17
|
19
|
21
|
18
|
23
|
21
|
22
|
47
|
33
|
20
|
28
|
29
|
27
|
22
|
19
|
19
|
21
|
27
|
53
|
27
|
22
|
24
|
26
|
47
|
32
|
21
|
24
|
31
|
53
|
39
|
|
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
Air quality source: CNEMC
*: primary pollution