Air Quality
Excellent
No health implications.
5
PM2.5
6
PM10
38
O3
0.6
CO
4
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 May
30
Excellent
Tue
26 May
30
Excellent
Wed
27 May
49
Excellent
Thu
28 May
61
Good
Fri
29 May
74
Good
Sat
30 May
94
Good
Sun
31 May
34
Excellent
Air quality in the last 12 months (Xiaonan)
|
2026/04
|
60
|
58
|
42
|
68
|
81
|
89
|
72
|
55
|
26
|
37
|
59
|
52
|
31
|
28
|
34
|
39
|
45
|
60
|
63
|
75
|
42
|
26
|
34
|
44
|
52
|
54
|
59
|
36
|
29
|
41
|
|
|
2026/03
|
30
|
33
|
50
|
90
|
80
|
65
|
88
|
68
|
78
|
85
|
67
|
90
|
64
|
80
|
72
|
44
|
46
|
55
|
85
|
94
|
91
|
71
|
75
|
84
|
91
|
97
|
76
|
60
|
71
|
46
|
64
|
|
2026/02
|
69
|
99
|
97
|
92
|
126
|
138
|
68
|
78
|
65
|
76
|
95
|
103
|
84
|
69
|
92
|
41
|
108
|
101
|
109
|
63
|
63
|
114
|
112
|
44
|
46
|
28
|
51
|
48
|
|||
|
2026/01
|
46
|
72
|
82
|
79
|
93
|
64
|
62
|
64
|
73
|
94
|
79
|
83
|
89
|
98
|
117
|
135
|
155
|
107
|
30
|
55
|
54
|
88
|
93
|
107
|
103
|
164
|
97
|
93
|
75
|
42
|
52
|
|
2025/12
|
108
|
84
|
51
|
68
|
75
|
99
|
124
|
107
|
146
|
161
|
203
|
102
|
45
|
60
|
72
|
79
|
167
|
198
|
158
|
159
|
70
|
53
|
47
|
96
|
72
|
75
|
85
|
102
|
100
|
151
|
75
|
|
2025/11
|
80
|
90
|
81
|
85
|
85
|
60
|
25
|
33
|
59
|
71
|
63
|
38
|
46
|
84
|
93
|
104
|
62
|
28
|
33
|
50
|
76
|
88
|
123
|
111
|
89
|
77
|
106
|
89
|
79
|
91
|
|
|
2025/10
|
35
|
37
|
16
|
36
|
57
|
56
|
28
|
48
|
59
|
34
|
26
|
36
|
17
|
28
|
36
|
26
|
23
|
12
|
19
|
26
|
23
|
29
|
39
|
39
|
70
|
80
|
68
|
75
|
93
|
49
|
54
|
|
2025/09
|
18
|
29
|
28
|
36
|
35
|
28
|
41
|
38
|
21
|
22
|
22
|
18
|
18
|
19
|
24
|
35
|
21
|
19
|
16
|
20
|
33
|
26
|
12
|
15
|
18
|
19
|
32
|
40
|
18
|
27
|
|
|
2025/08
|
32
|
22
|
33
|
41
|
38
|
25
|
18
|
17
|
21
|
15
|
12
|
22
|
19
|
25
|
22
|
26
|
33
|
37
|
23
|
16
|
19
|
22
|
25
|
26
|
31
|
31
|
37
|
36
|
45
|
24
|
16
|
|
2025/07
|
17
|
13
|
12
|
21
|
24
|
38
|
28
|
33
|
17
|
20
|
36
|
22
|
20
|
23
|
28
|
30
|
30
|
28
|
33
|
26
|
18
|
15
|
15
|
24
|
22
|
22
|
15
|
16
|
17
|
24
|
26
|
|
2025/06
|
13
|
30
|
52
|
57
|
52
|
45
|
17
|
27
|
30
|
22
|
33
|
40
|
35
|
22
|
35
|
41
|
25
|
16
|
8
|
11
|
15
|
15
|
22
|
21
|
24
|
14
|
14
|
12
|
10
|
16
|
|
|
2025/05
|
53
|
67
|
56
|
54
|
45
|
126
|
160
|
48
|
61
|
54
|
55
|
56
|
64
|
79
|
62
|
50
|
58
|
168
|
95
|
37
|
32
|
25
|
61
|
59
|
58
|
56
|
56
|
58
|
40
|
38
|
12
|
|
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