Air Quality
Excellent
No health implications.
19
PM2.5
32
PM10
51
O3
0.6
CO
9
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Aug
43
Excellent
Thu
14 Aug
41
Excellent
Fri
15 Aug
40
Excellent
Sat
16 Aug
37
Excellent
Sun
17 Aug
37
Excellent
Mon
18 Aug
29
Excellent
Tue
19 Aug
16
Excellent
Air quality in the last 12 months (Yanji)
|
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
|
|
2024/11
|
53
|
38
|
36
|
28
|
26
|
37
|
34
|
59
|
76
|
72
|
121
|
61
|
54
|
70
|
77
|
33
|
28
|
26
|
41
|
55
|
46
|
24
|
42
|
55
|
40
|
19
|
16
|
27
|
21
|
17
|
|
|
2024/10
|
10
|
23
|
37
|
35
|
38
|
51
|
25
|
44
|
46
|
38
|
30
|
44
|
41
|
42
|
27
|
25
|
38
|
42
|
24
|
22
|
50
|
49
|
20
|
37
|
53
|
71
|
32
|
30
|
35
|
53
|
60
|
|
2024/09
|
34
|
22
|
23
|
22
|
24
|
23
|
37
|
30
|
29
|
26
|
35
|
29
|
21
|
13
|
21
|
25
|
22
|
29
|
46
|
17
|
15
|
17
|
25
|
26
|
28
|
26
|
33
|
31
|
30
|
33
|
|
|
2024/08
|
23
|
24
|
25
|
12
|
10
|
15
|
26
|
33
|
30
|
21
|
10
|
12
|
22
|
26
|
24
|
16
|
14
|
19
|
23
|
9
|
15
|
19
|
16
|
30
|
35
|
30
|
21
|
24
|
25
|
23
|
18
|
|
2024/07
|
37
|
34
|
12
|
33
|
43
|
21
|
14
|
36
|
47
|
65
|
67
|
76
|
53
|
46
|
40
|
34
|
23
|
17
|
32
|
39
|
33
|
27
|
27
|
17
|
19
|
11
|
25
|
17
|
19
|
23
|
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
Air quality source: CNEMC
*: primary pollution