Air Quality
Excellent
No health implications.
7
PM2.5
31
PM10
149
O3
0.3
CO
8
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
7 May
80
Good
Wed
8 May
84
Good
Thu
9 May
88
Good
Fri
10 May
110
Lightly
Sat
11 May
83
Good
Sun
12 May
84
Good
Mon
13 May
83
Good
Air quality in the last 12 months (Yanchi)
|
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
|
|
2023/12
|
45
|
83
|
75
|
51
|
136
|
151
|
87
|
60
|
59
|
67
|
59
|
54
|
85
|
108
|
55
|
58
|
49
|
69
|
71
|
56
|
44
|
58
|
54
|
50
|
63
|
91
|
134
|
93
|
97
|
60
|
53
|
|
2023/11
|
60
|
81
|
54
|
43
|
51
|
48
|
53
|
60
|
46
|
43
|
40
|
36
|
46
|
69
|
148
|
103
|
47
|
52
|
60
|
69
|
71
|
111
|
56
|
53
|
88
|
78
|
59
|
59
|
28
|
42
|
|
|
2023/10
|
38
|
31
|
38
|
38
|
27
|
21
|
25
|
30
|
32
|
41
|
41
|
37
|
34
|
44
|
47
|
39
|
51
|
51
|
45
|
46
|
38
|
50
|
52
|
57
|
55
|
55
|
55
|
55
|
58
|
58
|
56
|
|
2023/09
|
43
|
44
|
50
|
53
|
50
|
50
|
78
|
46
|
32
|
48
|
54
|
46
|
41
|
41
|
34
|
34
|
39
|
45
|
31
|
36
|
31
|
26
|
23
|
28
|
53
|
50
|
49
|
42
|
60
|
39
|
|
|
2023/08
|
33
|
47
|
47
|
39
|
40
|
45
|
42
|
30
|
28
|
32
|
32
|
37
|
48
|
43
|
41
|
103
|
91
|
51
|
47
|
51
|
59
|
50
|
45
|
34
|
27
|
27
|
29
|
31
|
40
|
50
|
40
|
|
2023/07
|
77
|
49
|
57
|
59
|
65
|
50
|
55
|
42
|
43
|
49
|
51
|
36
|
37
|
69
|
45
|
46
|
48
|
48
|
46
|
86
|
38
|
42
|
59
|
46
|
45
|
43
|
35
|
28
|
30
|
27
|
24
|
|
2023/06
|
44
|
34
|
36
|
33
|
44
|
43
|
45
|
44
|
46
|
55
|
49
|
43
|
54
|
62
|
62
|
54
|
38
|
41
|
57
|
46
|
53
|
52
|
51
|
50
|
44
|
48
|
57
|
45
|
50
|
55
|
|
|
2023/05
|
80
|
84
|
60
|
94
|
61
|
29
|
27
|
27
|
31
|
36
|
53
|
61
|
64
|
88
|
65
|
71
|
71
|
56
|
158
|
104
|
46
|
40
|
44
|
51
|
80
|
66
|
38
|
34
|
23
|
56
|
52
|
|
2023/04
|
95
|
151
|
45
|
21
|
69
|
109
|
61
|
69
|
123
|
286
|
317
|
170
|
104
|
87
|
98
|
119
|
105
|
127
|
321
|
237
|
25
|
18
|
23
|
27
|
70
|
90
|
62
|
252
|
70
|
58
|
|
|
2023/03
|
104
|
82
|
88
|
72
|
57
|
59
|
74
|
98
|
69
|
231
|
225
|
111
|
78
|
103
|
67
|
61
|
107
|
63
|
70
|
64
|
369
|
382
|
166
|
66
|
79
|
68
|
68
|
65
|
57
|
63
|
59
|
|
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