Air Quality
Excellent
No health implications.
25
PM2.5
28
PM10
51
O3
0.6
CO
4
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 Jan
43
Excellent
Mon
12 Jan
47
Excellent
Tue
13 Jan
46
Excellent
Wed
14 Jan
56
Good
Thu
15 Jan
53
Good
Fri
16 Jan
47
Excellent
Sat
17 Jan
33
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