Air Quality
Excellent
No health implications.
21
PM2.5
45
PM10
59
O3
0.1
CO
2
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Jan
87
Good
Sun
18 Jan
60
Good
Mon
19 Jan
62
Good
Tue
20 Jan
57
Good
Wed
21 Jan
81
Good
Thu
22 Jan
24
Excellent
Fri
23 Jan
50
Excellent
Air quality in the last 12 months (Xuecheng)
|
2025/11
|
132
|
73
|
65
|
77
|
91
|
51
|
59
|
58
|
89
|
72
|
62
|
69
|
105
|
175
|
198
|
147
|
44
|
60
|
76
|
84
|
140
|
134
|
108
|
127
|
56
|
94
|
213
|
143
|
116
|
166
|
|
|
2025/10
|
38
|
17
|
33
|
40
|
43
|
36
|
46
|
52
|
41
|
54
|
49
|
27
|
27
|
46
|
36
|
35
|
40
|
34
|
38
|
39
|
43
|
47
|
44
|
54
|
103
|
97
|
87
|
64
|
60
|
63
|
136
|
|
2025/09
|
35
|
42
|
36
|
36
|
53
|
42
|
57
|
50
|
43
|
53
|
38
|
16
|
48
|
54
|
43
|
29
|
25
|
25
|
15
|
43
|
48
|
35
|
22
|
29
|
47
|
43
|
42
|
34
|
58
|
46
|
|
|
2025/08
|
22
|
30
|
36
|
45
|
43
|
36
|
50
|
40
|
26
|
24
|
20
|
26
|
18
|
31
|
38
|
36
|
42
|
50
|
48
|
43
|
39
|
41
|
35
|
38
|
61
|
53
|
40
|
52
|
71
|
36
|
27
|
|
2025/07
|
36
|
34
|
35
|
31
|
36
|
38
|
47
|
39
|
34
|
53
|
57
|
40
|
49
|
36
|
44
|
40
|
43
|
48
|
56
|
36
|
33
|
32
|
31
|
32
|
38
|
32
|
29
|
33
|
33
|
33
|
31
|
|
2025/06
|
52
|
43
|
60
|
65
|
73
|
71
|
53
|
78
|
66
|
51
|
76
|
51
|
56
|
47
|
51
|
55
|
47
|
41
|
25
|
25
|
44
|
52
|
50
|
43
|
54
|
50
|
39
|
35
|
13
|
29
|
|
|
2025/05
|
65
|
81
|
48
|
54
|
55
|
78
|
79
|
59
|
18
|
32
|
52
|
55
|
58
|
61
|
79
|
90
|
101
|
68
|
84
|
68
|
65
|
74
|
74
|
59
|
52
|
56
|
63
|
55
|
58
|
63
|
71
|
|
2025/04
|
73
|
55
|
57
|
72
|
82
|
79
|
81
|
93
|
81
|
85
|
64
|
140
|
84
|
69
|
58
|
64
|
87
|
105
|
71
|
68
|
53
|
84
|
80
|
91
|
75
|
61
|
66
|
58
|
58
|
74
|
|
|
2025/03
|
103
|
29
|
52
|
70
|
80
|
87
|
94
|
94
|
91
|
99
|
114
|
149
|
83
|
68
|
77
|
51
|
55
|
43
|
59
|
71
|
61
|
66
|
82
|
113
|
127
|
104
|
116
|
168
|
59
|
59
|
72
|
|
2025/02
|
141
|
167
|
119
|
50
|
55
|
61
|
64
|
47
|
70
|
66
|
91
|
113
|
96
|
83
|
108
|
103
|
59
|
73
|
61
|
57
|
64
|
85
|
65
|
59
|
80
|
106
|
122
|
128
|
|||
|
2025/01
|
105
|
164
|
77
|
120
|
173
|
91
|
78
|
70
|
52
|
53
|
95
|
112
|
111
|
110
|
63
|
82
|
85
|
115
|
125
|
150
|
169
|
148
|
79
|
65
|
93
|
99
|
46
|
63
|
97
|
95
|
193
|
|
2024/12
|
87
|
88
|
60
|
124
|
179
|
143
|
115
|
63
|
68
|
94
|
114
|
56
|
89
|
91
|
84
|
103
|
132
|
57
|
64
|
110
|
84
|
61
|
86
|
105
|
143
|
133
|
84
|
82
|
71
|
115
|
120
|
|
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