Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
36
PM2.5
63
*
PM10
80
O3
1.0
CO
16
SO2
15
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
31 Jan
107
Light
Sat
1 Feb
96
Good
Sun
2 Feb
80
Good
Mon
3 Feb
80
Good
Tue
4 Feb
72
Good
Wed
5 Feb
78
Good
Thu
6 Feb
24
Excellent
Air quality in the last 12 months (Yanchi)
|
2024/12
|
43
|
37
|
58
|
34
|
34
|
29
|
29
|
26
|
52
|
47
|
61
|
63
|
56
|
44
|
59
|
54
|
87
|
42
|
52
|
44
|
31
|
41
|
59
|
83
|
69
|
53
|
33
|
50
|
79
|
70
|
61
|
|
2024/11
|
41
|
40
|
48
|
46
|
60
|
66
|
72
|
50
|
63
|
59
|
56
|
44
|
67
|
40
|
70
|
41
|
40
|
37
|
47
|
64
|
53
|
42
|
71
|
48
|
53
|
73
|
71
|
42
|
33
|
42
|
|
|
2024/10
|
58
|
41
|
42
|
25
|
39
|
43
|
40
|
44
|
51
|
51
|
55
|
43
|
44
|
58
|
49
|
54
|
42
|
30
|
18
|
48
|
26
|
29
|
41
|
45
|
50
|
47
|
48
|
44
|
49
|
31
|
38
|
|
2024/09
|
34
|
29
|
35
|
39
|
37
|
23
|
21
|
34
|
57
|
39
|
28
|
37
|
24
|
19
|
23
|
26
|
29
|
43
|
48
|
40
|
26
|
33
|
43
|
53
|
39
|
46
|
62
|
64
|
45
|
55
|
|
|
2024/08
|
34
|
28
|
31
|
30
|
38
|
22
|
15
|
15
|
86
|
119
|
27
|
25
|
28
|
25
|
46
|
34
|
34
|
27
|
27
|
23
|
32
|
36
|
36
|
34
|
23
|
15
|
17
|
29
|
35
|
34
|
47
|
|
2024/07
|
38
|
34
|
38
|
33
|
64
|
53
|
22
|
34
|
39
|
40
|
38
|
59
|
57
|
49
|
29
|
23
|
23
|
31
|
24
|
63
|
179
|
69
|
64
|
201
|
59
|
45
|
37
|
32
|
26
|
34
|
39
|
|
2024/06
|
50
|
22
|
24
|
39
|
33
|
30
|
28
|
45
|
33
|
33
|
50
|
52
|
62
|
38
|
33
|
30
|
36
|
31
|
42
|
41
|
34
|
103
|
90
|
166
|
74
|
62
|
34
|
52
|
43
|
30
|
|
|
2024/05
|
29
|
37
|
27
|
29
|
40
|
52
|
38
|
56
|
37
|
116
|
96
|
38
|
45
|
84
|
56
|
69
|
90
|
68
|
121
|
65
|
56
|
56
|
48
|
60
|
57
|
37
|
33
|
38
|
64
|
53
|
36
|
|
2024/04
|
100
|
92
|
52
|
58
|
51
|
49
|
52
|
56
|
55
|
43
|
38
|
55
|
141
|
157
|
95
|
69
|
71
|
59
|
128
|
95
|
80
|
205
|
140
|
97
|
63
|
68
|
52
|
109
|
48
|
27
|
|
|
2024/03
|
48
|
54
|
57
|
57
|
72
|
69
|
88
|
50
|
75
|
83
|
77
|
55
|
59
|
87
|
215
|
167
|
65
|
120
|
74
|
61
|
89
|
133
|
89
|
40
|
50
|
47
|
81
|
98
|
74
|
64
|
63
|
|
2024/02
|
78
|
82
|
92
|
91
|
87
|
60
|
53
|
87
|
69
|
96
|
51
|
53
|
60
|
103
|
53
|
60
|
94
|
478
|
162
|
108
|
63
|
42
|
60
|
126
|
84
|
86
|
105
|
80
|
49
|
||
|
2024/01
|
65
|
48
|
58
|
48
|
41
|
28
|
44
|
70
|
70
|
69
|
62
|
65
|
89
|
58
|
56
|
101
|
119
|
79
|
82
|
69
|
25
|
29
|
30
|
34
|
56
|
63
|
56
|
71
|
64
|
103
|
78
|
|
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