Air Quality
Excellent
No health implications.
3
PM2.5
6
PM10
24
O3
0.5
CO
3
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 May
51
Good
Tue
26 May
49
Excellent
Wed
27 May
67
Good
Thu
28 May
86
Good
Fri
29 May
85
Good
Sat
30 May
83
Good
Sun
31 May
45
Excellent
Air quality in the last 12 months (Weidu)
|
2026/04
|
80
|
53
|
39
|
73
|
89
|
88
|
64
|
39
|
41
|
64
|
64
|
62
|
38
|
45
|
48
|
69
|
68
|
69
|
70
|
87
|
47
|
33
|
40
|
33
|
42
|
53
|
79
|
71
|
46
|
54
|
|
|
2026/03
|
55
|
72
|
85
|
96
|
79
|
91
|
74
|
115
|
143
|
141
|
174
|
188
|
125
|
130
|
42
|
92
|
130
|
74
|
68
|
90
|
76
|
79
|
107
|
125
|
75
|
74
|
64
|
61
|
75
|
76
|
68
|
|
2026/02
|
108
|
98
|
134
|
112
|
141
|
72
|
74
|
104
|
72
|
87
|
90
|
89
|
105
|
106
|
98
|
44
|
131
|
76
|
79
|
65
|
66
|
189
|
220
|
59
|
36
|
43
|
94
|
74
|
|||
|
2026/01
|
76
|
147
|
141
|
113
|
199
|
48
|
43
|
69
|
65
|
78
|
50
|
74
|
110
|
155
|
79
|
126
|
88
|
67
|
72
|
58
|
72
|
87
|
146
|
142
|
185
|
163
|
209
|
104
|
164
|
117
|
133
|
|
2025/12
|
162
|
87
|
60
|
73
|
127
|
144
|
104
|
116
|
128
|
184
|
199
|
45
|
72
|
80
|
72
|
134
|
171
|
236
|
199
|
169
|
133
|
57
|
84
|
93
|
93
|
86
|
106
|
142
|
108
|
204
|
81
|
|
2025/11
|
67
|
83
|
93
|
94
|
96
|
95
|
89
|
60
|
79
|
99
|
83
|
76
|
133
|
151
|
157
|
131
|
42
|
37
|
41
|
54
|
65
|
88
|
84
|
113
|
93
|
105
|
246
|
104
|
80
|
93
|
|
|
2025/10
|
20
|
15
|
31
|
35
|
17
|
12
|
22
|
41
|
10
|
11
|
21
|
20
|
28
|
46
|
40
|
65
|
13
|
28
|
43
|
41
|
41
|
65
|
105
|
126
|
105
|
106
|
140
|
72
|
83
|
126
|
160
|
|
2025/09
|
30
|
34
|
37
|
25
|
25
|
51
|
54
|
22
|
25
|
34
|
12
|
24
|
43
|
33
|
28
|
24
|
20
|
15
|
13
|
30
|
43
|
20
|
16
|
29
|
47
|
25
|
14
|
27
|
27
|
37
|
|
|
2025/08
|
41
|
21
|
28
|
31
|
38
|
24
|
21
|
22
|
20
|
34
|
31
|
20
|
27
|
21
|
29
|
20
|
27
|
33
|
32
|
19
|
23
|
39
|
35
|
28
|
29
|
36
|
33
|
38
|
33
|
37
|
27
|
|
2025/07
|
16
|
27
|
21
|
21
|
22
|
38
|
41
|
33
|
26
|
34
|
57
|
43
|
38
|
36
|
36
|
45
|
35
|
37
|
42
|
40
|
38
|
44
|
14
|
25
|
29
|
28
|
28
|
27
|
28
|
32
|
40
|
|
2025/06
|
50
|
61
|
60
|
61
|
50
|
52
|
60
|
62
|
50
|
60
|
50
|
52
|
49
|
43
|
39
|
59
|
48
|
31
|
22
|
28
|
41
|
32
|
41
|
40
|
47
|
31
|
30
|
27
|
26
|
23
|
|
|
2025/05
|
74
|
110
|
60
|
54
|
158
|
181
|
173
|
97
|
90
|
42
|
51
|
60
|
63
|
59
|
66
|
73
|
163
|
88
|
104
|
73
|
69
|
82
|
82
|
60
|
65
|
56
|
87
|
68
|
91
|
71
|
45
|
|
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