Air Quality
Excellent
No health implications.
20
PM2.5
39
PM10
62
O3
0.5
CO
4
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Apr
99
Good
Tue
30 Apr
72
Good
Wed
1 May
74
Good
Thu
2 May
75
Good
Fri
3 May
77
Good
Sat
4 May
78
Good
Sun
5 May
78
Good
Air quality in the last 12 months (Shilou)
|
2024/02
|
147
|
140
|
135
|
103
|
118
|
117
|
105
|
121
|
152
|
198
|
79
|
77
|
79
|
104
|
88
|
68
|
66
|
283
|
237
|
53
|
49
|
57
|
54
|
84
|
100
|
109
|
93
|
93
|
71
|
||
|
2024/01
|
82
|
82
|
69
|
75
|
72
|
66
|
59
|
85
|
90
|
70
|
81
|
88
|
91
|
84
|
72
|
100
|
98
|
101
|
110
|
74
|
32
|
34
|
56
|
60
|
67
|
67
|
70
|
72
|
76
|
93
|
123
|
|
2023/12
|
58
|
67
|
79
|
93
|
119
|
174
|
116
|
114
|
93
|
86
|
67
|
82
|
72
|
52
|
40
|
41
|
47
|
70
|
77
|
49
|
40
|
58
|
65
|
67
|
73
|
88
|
110
|
141
|
180
|
147
|
71
|
|
2023/11
|
84
|
98
|
87
|
74
|
49
|
55
|
71
|
79
|
71
|
63
|
62
|
55
|
65
|
70
|
88
|
95
|
70
|
71
|
88
|
88
|
105
|
107
|
52
|
60
|
76
|
90
|
97
|
66
|
46
|
49
|
|
|
2023/10
|
59
|
54
|
54
|
68
|
65
|
46
|
60
|
57
|
53
|
60
|
75
|
75
|
78
|
65
|
67
|
71
|
80
|
70
|
66
|
59
|
57
|
68
|
80
|
84
|
92
|
84
|
76
|
85
|
88
|
83
|
87
|
|
2023/09
|
53
|
52
|
55
|
63
|
63
|
74
|
68
|
73
|
42
|
43
|
53
|
46
|
55
|
56
|
58
|
51
|
39
|
42
|
52
|
57
|
52
|
56
|
55
|
42
|
52
|
56
|
62
|
68
|
68
|
53
|
|
|
2023/08
|
44
|
48
|
46
|
44
|
39
|
45
|
54
|
57
|
59
|
64
|
54
|
41
|
57
|
64
|
66
|
65
|
211
|
97
|
80
|
62
|
54
|
59
|
49
|
39
|
47
|
25
|
23
|
40
|
52
|
55
|
57
|
|
2023/07
|
69
|
64
|
33
|
58
|
72
|
73
|
60
|
53
|
56
|
68
|
73
|
59
|
45
|
53
|
46
|
60
|
70
|
75
|
75
|
64
|
48
|
51
|
60
|
60
|
56
|
52
|
55
|
34
|
41
|
25
|
29
|
|
2023/06
|
55
|
58
|
53
|
55
|
56
|
60
|
65
|
54
|
58
|
61
|
60
|
56
|
63
|
74
|
66
|
66
|
44
|
44
|
49
|
63
|
70
|
77
|
63
|
63
|
72
|
73
|
64
|
38
|
58
|
68
|
|
|
2023/05
|
75
|
73
|
59
|
44
|
66
|
20
|
40
|
58
|
66
|
63
|
67
|
70
|
71
|
85
|
81
|
84
|
78
|
66
|
64
|
132
|
61
|
49
|
56
|
50
|
75
|
85
|
31
|
37
|
43
|
48
|
53
|
|
2023/04
|
72
|
66
|
27
|
32
|
50
|
67
|
65
|
71
|
110
|
214
|
466
|
207
|
115
|
195
|
110
|
126
|
129
|
119
|
166
|
357
|
35
|
28
|
28
|
30
|
52
|
66
|
75
|
230
|
105
|
72
|
|
|
2023/03
|
67
|
69
|
83
|
83
|
83
|
84
|
81
|
119
|
106
|
113
|
260
|
118
|
86
|
106
|
66
|
72
|
52
|
83
|
75
|
71
|
127
|
317
|
314
|
157
|
121
|
84
|
81
|
79
|
76
|
81
|
75
|
|
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