Air Quality
Excellent
No health implications.
18
PM2.5
39
PM10
59
O3
0.4
CO
7
SO2
25
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
2 May
57
Good
Fri
3 May
51
Good
Sat
4 May
46
Excellent
Sun
5 May
48
Excellent
Mon
6 May
46
Excellent
Tue
7 May
52
Good
Wed
8 May
55
Good
Air quality in the last 12 months (Xisaishan)
|
2024/02
|
47
|
31
|
46
|
87
|
108
|
92
|
123
|
130
|
136
|
206
|
115
|
82
|
54
|
72
|
74
|
31
|
44
|
53
|
78
|
19
|
30
|
56
|
67
|
85
|
103
|
111
|
119
|
123
|
85
|
||
|
2024/01
|
117
|
118
|
73
|
77
|
77
|
99
|
158
|
139
|
155
|
135
|
160
|
111
|
95
|
173
|
196
|
65
|
56
|
22
|
22
|
59
|
65
|
50
|
29
|
44
|
63
|
91
|
108
|
96
|
88
|
101
|
98
|
|
2023/12
|
49
|
59
|
68
|
83
|
108
|
95
|
82
|
74
|
55
|
75
|
22
|
55
|
52
|
35
|
27
|
35
|
33
|
31
|
43
|
50
|
94
|
55
|
72
|
83
|
83
|
79
|
123
|
214
|
260
|
218
|
137
|
|
2023/11
|
76
|
65
|
82
|
99
|
75
|
29
|
48
|
44
|
36
|
34
|
36
|
30
|
66
|
84
|
82
|
72
|
89
|
71
|
70
|
70
|
63
|
77
|
74
|
57
|
55
|
75
|
73
|
75
|
78
|
66
|
|
|
2023/10
|
39
|
50
|
32
|
42
|
43
|
38
|
31
|
22
|
35
|
43
|
54
|
58
|
64
|
66
|
56
|
58
|
66
|
79
|
77
|
31
|
41
|
53
|
67
|
78
|
105
|
113
|
127
|
138
|
140
|
125
|
94
|
|
2023/09
|
40
|
41
|
44
|
50
|
48
|
36
|
46
|
46
|
54
|
66
|
60
|
50
|
28
|
28
|
30
|
48
|
49
|
51
|
45
|
26
|
21
|
28
|
31
|
33
|
48
|
44
|
52
|
54
|
64
|
34
|
|
|
2023/08
|
37
|
48
|
48
|
49
|
56
|
62
|
53
|
49
|
45
|
45
|
53
|
58
|
51
|
59
|
58
|
68
|
70
|
50
|
59
|
45
|
54
|
41
|
48
|
53
|
61
|
66
|
43
|
25
|
44
|
40
|
44
|
|
2023/07
|
58
|
56
|
54
|
44
|
36
|
29
|
41
|
47
|
39
|
39
|
38
|
44
|
39
|
40
|
54
|
69
|
60
|
51
|
50
|
44
|
43
|
26
|
53
|
52
|
68
|
56
|
40
|
27
|
29
|
34
|
46
|
|
2023/06
|
51
|
57
|
56
|
78
|
38
|
41
|
55
|
47
|
55
|
68
|
67
|
74
|
48
|
62
|
69
|
52
|
49
|
56
|
25
|
43
|
50
|
52
|
31
|
41
|
34
|
46
|
41
|
35
|
35
|
31
|
|
|
2023/05
|
72
|
64
|
47
|
38
|
28
|
30
|
47
|
43
|
45
|
46
|
51
|
57
|
63
|
72
|
83
|
75
|
35
|
51
|
59
|
66
|
64
|
48
|
74
|
48
|
58
|
58
|
58
|
57
|
70
|
46
|
37
|
|
2023/04
|
64
|
64
|
39
|
22
|
29
|
35
|
67
|
54
|
59
|
62
|
64
|
113
|
97
|
88
|
114
|
80
|
68
|
55
|
64
|
67
|
53
|
40
|
20
|
18
|
40
|
45
|
42
|
54
|
129
|
94
|
|
|
2023/03
|
119
|
114
|
85
|
115
|
94
|
72
|
82
|
105
|
95
|
69
|
54
|
103
|
67
|
66
|
79
|
98
|
26
|
40
|
56
|
66
|
23
|
46
|
49
|
60
|
51
|
60
|
76
|
77
|
95
|
92
|
55
|
|
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