Air Quality
Excellent
No health implications.
4
PM2.5
9
PM10
38
O3
0.6
CO
5
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Sep
34
Excellent
Wed
16 Sep
28
Excellent
Thu
17 Sep
33
Excellent
Fri
18 Sep
32
Excellent
Sat
19 Sep
34
Excellent
Sun
20 Sep
34
Excellent
Mon
21 Sep
41
Excellent
Air quality in the last 12 months (Weiyuan)
|
2026/08
|
17
|
19
|
27
|
23
|
36
|
41
|
41
|
33
|
31
|
42
|
34
|
31
|
43
|
50
|
59
|
62
|
29
|
16
|
19
|
27
|
35
|
43
|
39
|
35
|
38
|
30
|
39
|
45
|
22
|
26
|
40
|
|
2026/07
|
30
|
38
|
31
|
35
|
30
|
36
|
42
|
47
|
50
|
43
|
36
|
28
|
31
|
45
|
42
|
40
|
33
|
32
|
37
|
45
|
47
|
52
|
55
|
58
|
32
|
35
|
33
|
27
|
31
|
28
|
22
|
|
2026/06
|
57
|
31
|
39
|
50
|
59
|
57
|
31
|
27
|
28
|
33
|
35
|
33
|
37
|
44
|
62
|
44
|
27
|
25
|
29
|
31
|
21
|
18
|
18
|
13
|
12
|
21
|
22
|
27
|
19
|
23
|
|
|
2026/05
|
74
|
39
|
30
|
34
|
64
|
63
|
50
|
31
|
44
|
49
|
62
|
69
|
48
|
70
|
41
|
45
|
42
|
26
|
33
|
41
|
39
|
35
|
28
|
25
|
29
|
35
|
44
|
34
|
40
|
48
|
46
|
|
2026/04
|
25
|
29
|
33
|
52
|
55
|
42
|
19
|
20
|
39
|
40
|
28
|
33
|
34
|
27
|
35
|
42
|
35
|
54
|
60
|
107
|
36
|
37
|
47
|
65
|
100
|
122
|
59
|
25
|
26
|
40
|
|
|
2026/03
|
23
|
28
|
35
|
32
|
43
|
69
|
60
|
28
|
20
|
28
|
40
|
58
|
55
|
27
|
34
|
28
|
23
|
27
|
46
|
46
|
50
|
49
|
42
|
46
|
43
|
45
|
61
|
45
|
48
|
29
|
23
|
|
2026/02
|
77
|
79
|
104
|
108
|
88
|
100
|
74
|
41
|
43
|
51
|
55
|
65
|
81
|
85
|
85
|
54
|
115
|
89
|
88
|
82
|
78
|
90
|
87
|
59
|
58
|
39
|
50
|
34
|
|||
|
2026/01
|
25
|
23
|
18
|
35
|
51
|
51
|
60
|
74
|
84
|
122
|
146
|
135
|
117
|
110
|
108
|
151
|
153
|
153
|
70
|
26
|
36
|
31
|
44
|
66
|
65
|
65
|
76
|
91
|
74
|
36
|
45
|
|
2025/12
|
123
|
137
|
81
|
42
|
57
|
66
|
76
|
98
|
112
|
105
|
102
|
103
|
46
|
62
|
73
|
92
|
110
|
99
|
120
|
84
|
47
|
42
|
58
|
58
|
61
|
63
|
73
|
89
|
85
|
106
|
83
|
|
2025/11
|
17
|
22
|
24
|
26
|
40
|
38
|
34
|
33
|
43
|
22
|
28
|
28
|
25
|
34
|
38
|
35
|
25
|
25
|
35
|
54
|
73
|
83
|
93
|
74
|
76
|
80
|
84
|
87
|
108
|
124
|
|
|
2025/10
|
16
|
15
|
19
|
24
|
16
|
16
|
19
|
26
|
40
|
49
|
34
|
15
|
14
|
22
|
34
|
34
|
23
|
30
|
25
|
10
|
9
|
19
|
23
|
21
|
25
|
30
|
25
|
41
|
37
|
27
|
34
|
|
2025/09
|
21
|
32
|
29
|
26
|
24
|
27
|
43
|
30
|
33
|
35
|
20
|
9
|
11
|
20
|
36
|
40
|
17
|
11
|
9
|
16
|
12
|
10
|
11
|
16
|
28
|
27
|
22
|
17
|
10
|
23
|
|
|
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