Air Quality
Excellent
No health implications.
23
PM2.5
46
PM10
49
O3
0.4
CO
7
SO2
22
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 Jan
70
Good
Fri
10 Jan
99
Good
Sat
11 Jan
111
Light
Sun
12 Jan
123
Light
Mon
13 Jan
131
Light
Tue
14 Jan
166
Moderate
Wed
15 Jan
44
Excellent
Air quality in the last 12 months (Xiaonan)
|
2024/12
|
83
|
99
|
127
|
88
|
69
|
66
|
64
|
66
|
57
|
89
|
86
|
111
|
95
|
62
|
71
|
85
|
108
|
89
|
90
|
127
|
99
|
58
|
74
|
105
|
138
|
146
|
178
|
64
|
78
|
138
|
151
|
|
2024/11
|
121
|
117
|
128
|
103
|
61
|
72
|
67
|
74
|
72
|
58
|
68
|
71
|
58
|
69
|
99
|
59
|
31
|
31
|
30
|
42
|
57
|
72
|
98
|
85
|
40
|
39
|
57
|
64
|
67
|
74
|
|
|
2024/10
|
38
|
62
|
48
|
54
|
71
|
48
|
23
|
40
|
69
|
115
|
98
|
83
|
67
|
67
|
103
|
54
|
30
|
20
|
32
|
44
|
26
|
32
|
56
|
64
|
52
|
53
|
108
|
145
|
102
|
87
|
54
|
|
2024/09
|
42
|
49
|
35
|
40
|
48
|
38
|
41
|
44
|
46
|
40
|
48
|
26
|
20
|
30
|
42
|
32
|
39
|
32
|
21
|
29
|
41
|
37
|
40
|
45
|
75
|
61
|
67
|
43
|
41
|
48
|
|
|
2024/08
|
13
|
15
|
19
|
19
|
20
|
23
|
23
|
29
|
26
|
33
|
91
|
74
|
31
|
32
|
24
|
21
|
25
|
39
|
26
|
21
|
22
|
36
|
27
|
31
|
27
|
35
|
20
|
21
|
30
|
33
|
40
|
|
2024/07
|
25
|
26
|
24
|
18
|
17
|
16
|
20
|
20
|
20
|
16
|
22
|
31
|
12
|
11
|
30
|
32
|
24
|
16
|
17
|
17
|
20
|
21
|
22
|
34
|
27
|
18
|
14
|
10
|
11
|
17
|
14
|
|
2024/06
|
41
|
43
|
35
|
35
|
32
|
45
|
38
|
41
|
32
|
25
|
25
|
30
|
39
|
37
|
37
|
40
|
39
|
37
|
13
|
22
|
19
|
21
|
24
|
30
|
19
|
35
|
18
|
11
|
14
|
18
|
|
|
2024/05
|
55
|
51
|
39
|
33
|
46
|
43
|
52
|
51
|
60
|
54
|
76
|
131
|
103
|
76
|
87
|
62
|
68
|
62
|
69
|
46
|
50
|
30
|
25
|
43
|
39
|
42
|
41
|
32
|
43
|
42
|
48
|
|
2024/04
|
46
|
30
|
71
|
68
|
60
|
43
|
57
|
51
|
41
|
50
|
50
|
45
|
50
|
51
|
59
|
40
|
54
|
52
|
35
|
56
|
76
|
71
|
78
|
116
|
109
|
90
|
63
|
44
|
41
|
53
|
|
|
2024/03
|
89
|
83
|
60
|
51
|
144
|
101
|
91
|
79
|
74
|
105
|
89
|
81
|
75
|
61
|
67
|
104
|
92
|
71
|
71
|
80
|
68
|
69
|
59
|
33
|
38
|
48
|
47
|
67
|
46
|
57
|
66
|
|
2024/02
|
66
|
60
|
85
|
122
|
91
|
124
|
138
|
128
|
157
|
213
|
169
|
86
|
58
|
66
|
65
|
41
|
42
|
46
|
76
|
16
|
42
|
48
|
60
|
61
|
91
|
100
|
107
|
97
|
104
|
||
|
2024/01
|
152
|
133
|
70
|
82
|
94
|
128
|
163
|
173
|
218
|
167
|
164
|
164
|
130
|
198
|
107
|
56
|
44
|
66
|
40
|
71
|
95
|
60
|
44
|
54
|
65
|
88
|
100
|
98
|
108
|
140
|
173
|
|
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