Air Quality
Excellent
No health implications.
15
PM2.5
21
PM10
133
O3
0.3
CO
8
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 May
90
Good
Wed
22 May
92
Good
Thu
23 May
96
Good
Fri
24 May
97
Good
Sat
25 May
78
Good
Sun
26 May
84
Good
Mon
27 May
85
Good
Air quality in the last 12 months (Yanjin)
|
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
|
|
2023/12
|
31
|
38
|
48
|
48
|
67
|
58
|
71
|
80
|
86
|
89
|
74
|
42
|
47
|
69
|
48
|
44
|
53
|
60
|
66
|
74
|
74
|
78
|
85
|
69
|
103
|
105
|
116
|
143
|
126
|
120
|
150
|
|
2023/11
|
72
|
74
|
72
|
30
|
40
|
44
|
59
|
74
|
70
|
78
|
76
|
27
|
21
|
31
|
27
|
43
|
64
|
72
|
69
|
77
|
75
|
42
|
68
|
84
|
92
|
47
|
64
|
69
|
62
|
54
|
|
|
2023/10
|
28
|
26
|
30
|
33
|
19
|
16
|
18
|
25
|
18
|
20
|
32
|
24
|
20
|
26
|
45
|
47
|
49
|
50
|
19
|
27
|
44
|
62
|
69
|
74
|
64
|
35
|
22
|
30
|
32
|
45
|
61
|
|
2023/09
|
40
|
48
|
47
|
48
|
46
|
48
|
52
|
56
|
53
|
37
|
34
|
26
|
28
|
36
|
50
|
62
|
65
|
42
|
44
|
24
|
21
|
22
|
23
|
19
|
20
|
24
|
30
|
29
|
29
|
27
|
|
|
2023/08
|
24
|
25
|
27
|
27
|
25
|
30
|
24
|
29
|
29
|
34
|
36
|
24
|
29
|
40
|
42
|
45
|
39
|
43
|
43
|
40
|
32
|
35
|
40
|
23
|
24
|
21
|
32
|
35
|
42
|
31
|
33
|
|
2023/07
|
41
|
45
|
37
|
32
|
36
|
40
|
50
|
38
|
39
|
38
|
37
|
22
|
20
|
30
|
42
|
41
|
44
|
47
|
33
|
31
|
29
|
29
|
41
|
31
|
31
|
25
|
20
|
21
|
27
|
32
|
28
|
|
2023/06
|
28
|
27
|
23
|
23
|
26
|
35
|
46
|
33
|
35
|
33
|
32
|
32
|
40
|
34
|
27
|
30
|
32
|
33
|
34
|
45
|
29
|
29
|
34
|
43
|
49
|
53
|
54
|
43
|
33
|
33
|
|
|
2023/05
|
59
|
63
|
63
|
60
|
59
|
38
|
34
|
26
|
20
|
19
|
22
|
29
|
38
|
45
|
55
|
63
|
67
|
45
|
49
|
46
|
41
|
28
|
43
|
56
|
59
|
47
|
40
|
42
|
53
|
56
|
55
|
|
2023/04
|
46
|
57
|
48
|
34
|
40
|
34
|
59
|
63
|
66
|
64
|
69
|
59
|
72
|
42
|
37
|
64
|
78
|
45
|
48
|
42
|
53
|
30
|
22
|
24
|
36
|
54
|
58
|
57
|
49
|
61
|
|
|
2023/03
|
64
|
58
|
46
|
62
|
68
|
81
|
100
|
54
|
51
|
60
|
64
|
31
|
30
|
50
|
64
|
76
|
61
|
41
|
46
|
52
|
55
|
61
|
36
|
25
|
29
|
45
|
26
|
32
|
30
|
41
|
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