Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
46
PM2.5
116
*
PM10
94
O3
0.4
CO
5
SO2
7
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
15 Mar
57
Good
Mon
16 Mar
85
Good
Tue
17 Mar
73
Good
Wed
18 Mar
63
Good
Thu
19 Mar
66
Good
Fri
20 Mar
64
Good
Sat
21 Mar
43
Excellent
Air quality in the last 12 months (Weiyuan)
|
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
|
|
|
2025/08
|
44
|
32
|
30
|
21
|
25
|
32
|
29
|
24
|
26
|
33
|
41
|
34
|
39
|
37
|
38
|
37
|
35
|
31
|
26
|
57
|
23
|
30
|
26
|
35
|
29
|
24
|
24
|
22
|
27
|
37
|
38
|
|
2025/07
|
36
|
29
|
27
|
21
|
28
|
26
|
27
|
25
|
34
|
34
|
29
|
28
|
30
|
31
|
42
|
48
|
41
|
31
|
74
|
27
|
27
|
27
|
24
|
28
|
24
|
28
|
30
|
30
|
31
|
24
|
34
|
|
2025/06
|
36
|
43
|
36
|
34
|
42
|
46
|
47
|
52
|
32
|
43
|
42
|
40
|
41
|
41
|
61
|
44
|
50
|
47
|
39
|
45
|
38
|
22
|
29
|
26
|
26
|
34
|
27
|
34
|
38
|
26
|
|
|
2025/05
|
58
|
103
|
120
|
122
|
75
|
117
|
84
|
60
|
61
|
49
|
44
|
59
|
74
|
49
|
41
|
53
|
109
|
53
|
61
|
53
|
58
|
80
|
55
|
43
|
30
|
51
|
34
|
30
|
31
|
94
|
66
|
|
2025/04
|
103
|
100
|
81
|
108
|
87
|
66
|
55
|
89
|
114
|
73
|
106
|
371
|
110
|
70
|
61
|
133
|
76
|
240
|
141
|
101
|
107
|
86
|
59
|
53
|
55
|
40
|
56
|
53
|
56
|
87
|
|
|
2025/03
|
61
|
52
|
52
|
58
|
49
|
51
|
67
|
66
|
58
|
52
|
181
|
101
|
87
|
48
|
50
|
54
|
49
|
45
|
55
|
58
|
55
|
55
|
64
|
46
|
65
|
374
|
116
|
84
|
78
|
88
|
79
|
|
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