Air Quality
Excellent
No health implications.
13
PM2.5
23
PM10
97
O3
0.5
CO
5
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Sep
54
Good
Mon
14 Sep
55
Good
Tue
15 Sep
57
Good
Wed
16 Sep
58
Good
Thu
17 Sep
58
Good
Fri
18 Sep
58
Good
Sat
19 Sep
36
Excellent
Air quality in the last 12 months (Weiyuan)
|
2026/08
|
38
|
34
|
32
|
36
|
35
|
38
|
36
|
31
|
34
|
41
|
38
|
35
|
42
|
43
|
36
|
35
|
36
|
33
|
38
|
35
|
33
|
35
|
28
|
29
|
28
|
34
|
24
|
29
|
35
|
39
|
42
|
|
2026/07
|
47
|
37
|
40
|
39
|
42
|
44
|
40
|
43
|
44
|
34
|
23
|
27
|
27
|
31
|
37
|
36
|
41
|
48
|
39
|
43
|
43
|
43
|
46
|
46
|
48
|
42
|
33
|
30
|
31
|
69
|
32
|
|
2026/06
|
58
|
52
|
55
|
54
|
51
|
93
|
66
|
52
|
45
|
39
|
39
|
39
|
48
|
45
|
44
|
44
|
40
|
35
|
41
|
37
|
27
|
34
|
36
|
30
|
37
|
37
|
42
|
47
|
38
|
46
|
|
|
2026/05
|
34
|
49
|
46
|
46
|
47
|
75
|
59
|
46
|
50
|
61
|
57
|
51
|
39
|
124
|
56
|
38
|
36
|
42
|
41
|
39
|
112
|
113
|
53
|
36
|
51
|
73
|
67
|
48
|
49
|
50
|
70
|
|
2026/04
|
54
|
48
|
89
|
76
|
75
|
64
|
46
|
43
|
64
|
58
|
48
|
61
|
59
|
47
|
52
|
49
|
51
|
48
|
235
|
86
|
64
|
65
|
75
|
71
|
62
|
60
|
40
|
40
|
51
|
45
|
|
|
2026/03
|
68
|
65
|
74
|
82
|
86
|
67
|
60
|
47
|
42
|
48
|
47
|
98
|
182
|
72
|
83
|
74
|
55
|
74
|
79
|
76
|
80
|
90
|
91
|
74
|
58
|
42
|
50
|
50
|
44
|
35
|
49
|
|
2026/02
|
86
|
81
|
82
|
77
|
70
|
73
|
66
|
63
|
67
|
85
|
73
|
79
|
70
|
68
|
81
|
72
|
103
|
60
|
59
|
54
|
84
|
167
|
126
|
75
|
87
|
91
|
76
|
74
|
|||
|
2026/01
|
87
|
68
|
73
|
81
|
63
|
78
|
75
|
70
|
68
|
69
|
75
|
74
|
70
|
83
|
81
|
84
|
71
|
86
|
61
|
63
|
67
|
75
|
70
|
64
|
405
|
367
|
184
|
141
|
86
|
82
|
88
|
|
2025/12
|
78
|
71
|
63
|
71
|
74
|
74
|
76
|
72
|
78
|
77
|
74
|
86
|
69
|
71
|
81
|
86
|
73
|
70
|
75
|
45
|
60
|
72
|
56
|
63
|
57
|
65
|
79
|
90
|
83
|
83
|
76
|
|
2025/11
|
62
|
51
|
46
|
43
|
39
|
29
|
89
|
73
|
74
|
49
|
59
|
62
|
62
|
64
|
65
|
68
|
54
|
53
|
57
|
67
|
70
|
76
|
85
|
95
|
67
|
98
|
106
|
66
|
66
|
74
|
|
|
2025/10
|
28
|
29
|
35
|
44
|
55
|
29
|
33
|
24
|
28
|
28
|
31
|
33
|
40
|
45
|
44
|
46
|
31
|
48
|
46
|
41
|
27
|
32
|
30
|
36
|
44
|
45
|
54
|
51
|
60
|
63
|
68
|
|
2025/09
|
34
|
51
|
47
|
53
|
59
|
80
|
67
|
55
|
41
|
38
|
36
|
37
|
44
|
47
|
57
|
84
|
32
|
25
|
34
|
36
|
31
|
37
|
39
|
47
|
45
|
36
|
37
|
38
|
44
|
44
|
|
|
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