Air Quality
Excellent
No health implications.
9
PM2.5
23
PM10
58
O3
0.5
CO
5
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Dec
51
Good
Sun
29 Dec
57
Good
Mon
30 Dec
57
Good
Tue
31 Dec
49
Excellent
Wed
1 Jan
55
Good
Thu
2 Jan
41
Excellent
Fri
3 Jan
26
Excellent
Air quality in the last 12 months (Yanji)
|
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
|
|
2024/06
|
16
|
18
|
25
|
20
|
20
|
22
|
19
|
17
|
21
|
24
|
30
|
27
|
22
|
11
|
18
|
30
|
35
|
24
|
34
|
38
|
30
|
10
|
9
|
15
|
15
|
32
|
36
|
48
|
33
|
32
|
|
|
2024/05
|
34
|
53
|
57
|
48
|
38
|
30
|
31
|
30
|
42
|
39
|
37
|
31
|
43
|
47
|
19
|
25
|
32
|
48
|
21
|
13
|
22
|
37
|
30
|
19
|
20
|
15
|
13
|
21
|
26
|
18
|
18
|
|
2024/04
|
69
|
58
|
53
|
32
|
32
|
48
|
53
|
49
|
43
|
50
|
50
|
51
|
44
|
48
|
36
|
169
|
58
|
49
|
52
|
81
|
42
|
21
|
15
|
17
|
52
|
63
|
51
|
27
|
19
|
28
|
|
|
2024/03
|
50
|
39
|
36
|
36
|
41
|
36
|
37
|
32
|
23
|
49
|
66
|
33
|
43
|
51
|
64
|
52
|
35
|
37
|
36
|
29
|
27
|
30
|
37
|
40
|
21
|
35
|
42
|
41
|
90
|
46
|
49
|
|
2024/02
|
32
|
36
|
33
|
40
|
41
|
44
|
35
|
41
|
95
|
204
|
80
|
75
|
75
|
95
|
37
|
41
|
53
|
62
|
32
|
25
|
23
|
26
|
32
|
56
|
72
|
42
|
42
|
43
|
52
|
||
|
2024/01
|
87
|
91
|
96
|
95
|
47
|
38
|
29
|
61
|
44
|
51
|
53
|
29
|
45
|
37
|
25
|
43
|
48
|
34
|
34
|
31
|
21
|
34
|
24
|
31
|
28
|
47
|
55
|
69
|
79
|
77
|
53
|
|
2023/12
|
31
|
47
|
43
|
99
|
94
|
94
|
26
|
44
|
35
|
20
|
22
|
26
|
29
|
22
|
41
|
25
|
23
|
34
|
56
|
28
|
34
|
27
|
61
|
91
|
76
|
44
|
47
|
70
|
84
|
116
|
65
|
|
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