Air Quality
Excellent
No health implications.
17
PM2.5
19
PM10
32
O3
0.5
CO
6
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Apr
96
Good
Mon
20 Apr
101
Light
Tue
21 Apr
89
Good
Wed
22 Apr
51
Good
Thu
23 Apr
46
Excellent
Fri
24 Apr
26
Excellent
Sat
25 Apr
36
Excellent
Air quality in the last 12 months (Yanji)
|
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
|
|
|
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
|
|
|
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