Air Quality
Excellent
No health implications.
27
PM2.5
27
PM10
76
O3
0.5
CO
7
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
31 Jan
41
Excellent
Sat
1 Feb
40
Excellent
Sun
2 Feb
50
Excellent
Mon
3 Feb
51
Good
Tue
4 Feb
49
Excellent
Wed
5 Feb
47
Excellent
Thu
6 Feb
43
Excellent
Air quality in the last 12 months (Yanji)
|
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
|
|
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
|
|
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