Air Quality
Excellent
No health implications.
14
PM2.5
18
PM10
47
O3
0.7
CO
8
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 Feb
50
Excellent
Thu
6 Feb
43
Excellent
Fri
7 Feb
37
Excellent
Sat
8 Feb
42
Excellent
Sun
9 Feb
49
Excellent
Mon
10 Feb
57
Good
Tue
11 Feb
67
Good
Air quality in the last 12 months (Yanjin)
|
2024/12
|
80
|
105
|
76
|
93
|
52
|
48
|
34
|
31
|
34
|
35
|
42
|
43
|
33
|
38
|
38
|
57
|
82
|
100
|
88
|
76
|
74
|
65
|
45
|
57
|
44
|
42
|
69
|
67
|
74
|
46
|
51
|
|
2024/11
|
23
|
29
|
55
|
32
|
27
|
47
|
48
|
43
|
50
|
53
|
46
|
41
|
34
|
40
|
61
|
37
|
20
|
25
|
25
|
26
|
35
|
48
|
55
|
36
|
16
|
21
|
29
|
33
|
48
|
54
|
|
|
2024/10
|
14
|
26
|
23
|
33
|
40
|
29
|
33
|
40
|
40
|
35
|
28
|
21
|
19
|
27
|
38
|
57
|
26
|
35
|
33
|
33
|
27
|
17
|
27
|
52
|
37
|
28
|
21
|
32
|
60
|
60
|
47
|
|
2024/09
|
29
|
25
|
27
|
25
|
25
|
31
|
32
|
24
|
27
|
30
|
27
|
27
|
36
|
37
|
38
|
40
|
27
|
26
|
36
|
42
|
24
|
35
|
45
|
58
|
58
|
54
|
55
|
60
|
62
|
11
|
|
|
2024/08
|
35
|
33
|
41
|
20
|
25
|
28
|
27
|
28
|
29
|
25
|
62
|
51
|
56
|
50
|
46
|
32
|
38
|
37
|
39
|
39
|
46
|
49
|
50
|
47
|
42
|
34
|
41
|
41
|
52
|
51
|
45
|
|
2024/07
|
20
|
23
|
26
|
21
|
24
|
27
|
33
|
26
|
17
|
15
|
14
|
21
|
29
|
16
|
22
|
26
|
30
|
19
|
23
|
22
|
23
|
19
|
30
|
30
|
22
|
40
|
36
|
16
|
19
|
18
|
32
|
|
2024/06
|
48
|
29
|
28
|
19
|
26
|
37
|
15
|
19
|
23
|
23
|
21
|
26
|
36
|
33
|
39
|
51
|
24
|
33
|
25
|
24
|
21
|
16
|
22
|
24
|
28
|
32
|
16
|
24
|
18
|
25
|
|
|
2024/05
|
28
|
30
|
26
|
15
|
30
|
51
|
51
|
52
|
25
|
37
|
26
|
26
|
31
|
45
|
41
|
39
|
47
|
28
|
34
|
34
|
30
|
36
|
37
|
43
|
42
|
20
|
29
|
31
|
17
|
15
|
34
|
|
2024/04
|
48
|
48
|
47
|
32
|
37
|
19
|
19
|
19
|
31
|
37
|
34
|
48
|
47
|
59
|
60
|
44
|
31
|
38
|
28
|
37
|
46
|
56
|
27
|
29
|
36
|
46
|
36
|
47
|
41
|
12
|
|
|
2024/03
|
60
|
45
|
60
|
69
|
54
|
47
|
40
|
44
|
54
|
72
|
34
|
62
|
67
|
55
|
65
|
62
|
76
|
30
|
50
|
52
|
57
|
63
|
56
|
61
|
26
|
41
|
53
|
26
|
43
|
58
|
47
|
|
2024/02
|
75
|
90
|
36
|
36
|
41
|
41
|
43
|
51
|
66
|
120
|
81
|
78
|
84
|
91
|
40
|
47
|
49
|
52
|
60
|
106
|
74
|
30
|
29
|
30
|
45
|
47
|
54
|
60
|
58
|
||
|
2024/01
|
150
|
87
|
64
|
81
|
88
|
93
|
101
|
97
|
84
|
91
|
83
|
108
|
129
|
119
|
98
|
96
|
57
|
61
|
71
|
59
|
28
|
22
|
35
|
31
|
38
|
48
|
52
|
56
|
79
|
90
|
77
|
|
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