Air Quality
Excellent
No health implications.
25
PM2.5
32
PM10
71
O3
0.3
CO
9
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 Jul
90
Good
Sat
12 Jul
62
Good
Sun
13 Jul
60
Good
Mon
14 Jul
78
Good
Tue
15 Jul
84
Good
Wed
16 Jul
82
Good
Thu
17 Jul
44
Excellent
Air quality in the last 12 months (Xiaonan)
|
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
|
|
2025/04
|
72
|
82
|
68
|
95
|
95
|
80
|
78
|
77
|
68
|
58
|
63
|
223
|
142
|
115
|
67
|
65
|
77
|
80
|
69
|
60
|
41
|
58
|
70
|
74
|
83
|
61
|
55
|
53
|
51
|
43
|
|
|
2025/03
|
97
|
46
|
26
|
46
|
57
|
80
|
100
|
98
|
108
|
95
|
84
|
96
|
89
|
62
|
47
|
59
|
50
|
59
|
57
|
62
|
65
|
69
|
79
|
70
|
60
|
70
|
126
|
81
|
77
|
85
|
85
|
|
2025/02
|
85
|
79
|
104
|
100
|
68
|
51
|
94
|
58
|
67
|
82
|
90
|
107
|
99
|
112
|
103
|
111
|
77
|
66
|
103
|
105
|
84
|
98
|
131
|
140
|
132
|
107
|
74
|
95
|
|||
|
2025/01
|
159
|
176
|
180
|
218
|
94
|
93
|
68
|
75
|
64
|
64
|
96
|
97
|
125
|
138
|
78
|
77
|
102
|
121
|
192
|
152
|
162
|
162
|
209
|
87
|
25
|
49
|
70
|
78
|
210
|
93
|
135
|
|
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
|
|
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