Air Quality
Excellent
No health implications.
17
PM2.5
29
PM10
27
O3
0.5
CO
4
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Sep
42
Excellent
Tue
15 Sep
39
Excellent
Wed
16 Sep
42
Excellent
Thu
17 Sep
43
Excellent
Fri
18 Sep
48
Excellent
Sat
19 Sep
17
Excellent
Sun
20 Sep
30
Excellent
Air quality in the last 12 months (Yanji)
|
2026/08
|
23
|
12
|
11
|
20
|
30
|
28
|
23
|
21
|
19
|
20
|
16
|
17
|
13
|
16
|
15
|
16
|
21
|
23
|
23
|
21
|
23
|
23
|
27
|
25
|
24
|
24
|
22
|
20
|
20
|
22
|
19
|
|
2026/07
|
29
|
15
|
17
|
23
|
23
|
22
|
17
|
17
|
20
|
18
|
22
|
18
|
21
|
15
|
17
|
23
|
26
|
25
|
24
|
27
|
17
|
26
|
26
|
18
|
13
|
11
|
11
|
17
|
32
|
29
|
25
|
|
2026/06
|
35
|
39
|
34
|
23
|
23
|
22
|
16
|
15
|
18
|
18
|
21
|
25
|
28
|
29
|
31
|
21
|
28
|
31
|
27
|
23
|
20
|
23
|
15
|
23
|
26
|
26
|
31
|
27
|
22
|
29
|
|
|
2026/05
|
36
|
29
|
28
|
31
|
32
|
38
|
26
|
25
|
32
|
34
|
38
|
39
|
38
|
29
|
37
|
45
|
39
|
30
|
30
|
26
|
27
|
31
|
27
|
27
|
33
|
34
|
24
|
20
|
27
|
28
|
30
|
|
2026/04
|
52
|
61
|
64
|
36
|
39
|
27
|
27
|
38
|
52
|
34
|
26
|
33
|
45
|
29
|
29
|
29
|
36
|
34
|
36
|
52
|
55
|
42
|
55
|
28
|
30
|
30
|
23
|
27
|
33
|
36
|
|
|
2026/03
|
32
|
42
|
33
|
48
|
50
|
38
|
29
|
38
|
40
|
43
|
56
|
55
|
68
|
47
|
75
|
77
|
92
|
143
|
34
|
39
|
75
|
101
|
93
|
66
|
73
|
73
|
86
|
70
|
56
|
33
|
33
|
|
2026/02
|
35
|
32
|
50
|
87
|
79
|
52
|
22
|
24
|
46
|
75
|
42
|
56
|
69
|
80
|
40
|
59
|
197
|
31
|
41
|
45
|
57
|
76
|
67
|
43
|
41
|
63
|
56
|
25
|
|||
|
2026/01
|
27
|
32
|
29
|
39
|
34
|
48
|
41
|
32
|
77
|
57
|
37
|
44
|
34
|
31
|
71
|
37
|
34
|
39
|
32
|
24
|
26
|
20
|
24
|
27
|
23
|
44
|
37
|
25
|
37
|
28
|
27
|
|
2025/12
|
46
|
27
|
22
|
23
|
36
|
63
|
77
|
27
|
43
|
60
|
29
|
44
|
49
|
50
|
85
|
45
|
32
|
52
|
80
|
50
|
31
|
54
|
76
|
38
|
37
|
25
|
40
|
106
|
60
|
24
|
26
|
|
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
|
|
|
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