Air Quality
Excellent
No health implications.
21
PM2.5
27
PM10
52
O3
0.6
CO
5
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 May
45
Excellent
Mon
18 May
53
Good
Tue
19 May
58
Good
Wed
20 May
72
Good
Thu
21 May
75
Good
Fri
22 May
74
Good
Sat
23 May
43
Excellent
Air quality in the last 12 months (Xiangcheng)
|
2026/04
|
64
|
57
|
59
|
76
|
93
|
91
|
70
|
44
|
39
|
68
|
67
|
65
|
47
|
50
|
53
|
63
|
66
|
73
|
89
|
98
|
50
|
35
|
49
|
40
|
46
|
57
|
76
|
75
|
51
|
53
|
|
|
2026/03
|
51
|
58
|
79
|
105
|
88
|
93
|
74
|
99
|
133
|
130
|
156
|
172
|
140
|
123
|
49
|
86
|
121
|
74
|
84
|
92
|
84
|
88
|
110
|
107
|
73
|
75
|
76
|
69
|
81
|
78
|
71
|
|
2026/02
|
101
|
88
|
136
|
107
|
122
|
77
|
75
|
106
|
79
|
85
|
92
|
96
|
101
|
97
|
89
|
50
|
105
|
68
|
73
|
64
|
70
|
184
|
236
|
63
|
45
|
40
|
82
|
64
|
|||
|
2026/01
|
74
|
139
|
125
|
109
|
131
|
43
|
50
|
72
|
63
|
79
|
62
|
79
|
107
|
144
|
90
|
118
|
89
|
68
|
62
|
61
|
84
|
93
|
139
|
148
|
182
|
172
|
206
|
121
|
151
|
113
|
128
|
|
2025/12
|
162
|
97
|
66
|
79
|
111
|
120
|
93
|
123
|
154
|
185
|
189
|
52
|
80
|
81
|
75
|
124
|
136
|
192
|
170
|
133
|
125
|
68
|
92
|
92
|
80
|
95
|
108
|
130
|
89
|
191
|
87
|
|
2025/11
|
61
|
81
|
99
|
103
|
104
|
96
|
70
|
58
|
75
|
94
|
89
|
82
|
118
|
144
|
150
|
122
|
48
|
37
|
46
|
59
|
67
|
84
|
81
|
122
|
97
|
101
|
230
|
108
|
86
|
90
|
|
|
2025/10
|
22
|
18
|
35
|
40
|
22
|
17
|
21
|
49
|
18
|
17
|
25
|
27
|
31
|
53
|
41
|
66
|
18
|
30
|
49
|
46
|
45
|
64
|
89
|
105
|
97
|
81
|
111
|
71
|
86
|
113
|
126
|
|
2025/09
|
37
|
39
|
42
|
23
|
21
|
52
|
53
|
25
|
29
|
39
|
13
|
23
|
42
|
37
|
28
|
28
|
23
|
21
|
15
|
29
|
48
|
24
|
15
|
25
|
46
|
29
|
21
|
31
|
25
|
27
|
|
|
2025/08
|
41
|
25
|
35
|
37
|
43
|
28
|
32
|
27
|
18
|
32
|
33
|
27
|
27
|
29
|
31
|
21
|
27
|
37
|
35
|
23
|
29
|
42
|
34
|
33
|
39
|
41
|
32
|
37
|
33
|
36
|
33
|
|
2025/07
|
15
|
20
|
15
|
18
|
21
|
36
|
41
|
36
|
25
|
35
|
52
|
41
|
40
|
35
|
33
|
46
|
36
|
42
|
45
|
41
|
35
|
35
|
16
|
23
|
28
|
32
|
30
|
31
|
30
|
38
|
44
|
|
2025/06
|
47
|
50
|
58
|
55
|
50
|
50
|
61
|
57
|
50
|
61
|
54
|
45
|
44
|
39
|
38
|
60
|
51
|
30
|
22
|
25
|
40
|
40
|
45
|
43
|
48
|
28
|
24
|
21
|
20
|
21
|
|
|
2025/05
|
74
|
92
|
62
|
65
|
139
|
204
|
176
|
102
|
90
|
49
|
49
|
61
|
65
|
59
|
65
|
69
|
144
|
95
|
100
|
72
|
82
|
76
|
78
|
62
|
66
|
64
|
90
|
84
|
87
|
66
|
46
|
|
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