Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
38
PM2.5
110
*
PM10
67
O3
0.6
CO
15
SO2
19
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
31 Mar
74
Good
Tue
1 Apr
70
Good
Wed
2 Apr
78
Good
Thu
3 Apr
74
Good
Fri
4 Apr
75
Good
Sat
5 Apr
81
Good
Sun
6 Apr
75
Good
Air quality in the last 12 months (Weiyuan)
|
2025/02
|
57
|
60
|
52
|
51
|
50
|
49
|
57
|
65
|
65
|
58
|
81
|
83
|
72
|
70
|
62
|
63
|
64
|
54
|
65
|
56
|
48
|
56
|
50
|
50
|
54
|
53
|
51
|
54
|
|||
|
2025/01
|
70
|
72
|
76
|
70
|
76
|
72
|
62
|
69
|
71
|
61
|
66
|
70
|
69
|
70
|
69
|
65
|
66
|
69
|
74
|
73
|
77
|
79
|
74
|
72
|
66
|
73
|
78
|
88
|
119
|
76
|
59
|
|
2024/12
|
65
|
69
|
62
|
53
|
60
|
62
|
53
|
50
|
47
|
55
|
56
|
49
|
50
|
62
|
69
|
64
|
70
|
60
|
66
|
71
|
68
|
76
|
82
|
79
|
85
|
75
|
62
|
72
|
66
|
64
|
64
|
|
2024/11
|
49
|
45
|
54
|
56
|
54
|
46
|
41
|
39
|
52
|
54
|
52
|
53
|
58
|
50
|
56
|
41
|
44
|
34
|
43
|
52
|
55
|
49
|
44
|
41
|
42
|
54
|
58
|
64
|
62
|
65
|
|
|
2024/10
|
31
|
38
|
33
|
33
|
38
|
49
|
43
|
39
|
42
|
43
|
38
|
30
|
36
|
32
|
35
|
36
|
33
|
46
|
39
|
34
|
43
|
44
|
52
|
41
|
46
|
43
|
48
|
51
|
44
|
38
|
38
|
|
2024/09
|
49
|
38
|
34
|
25
|
21
|
25
|
26
|
34
|
27
|
27
|
26
|
29
|
23
|
30
|
28
|
26
|
30
|
31
|
29
|
36
|
29
|
37
|
39
|
37
|
31
|
30
|
39
|
46
|
30
|
29
|
|
|
2024/08
|
34
|
34
|
32
|
30
|
32
|
33
|
27
|
27
|
58
|
47
|
41
|
41
|
38
|
31
|
37
|
31
|
34
|
31
|
37
|
35
|
39
|
36
|
37
|
36
|
35
|
39
|
32
|
35
|
33
|
28
|
45
|
|
2024/07
|
30
|
35
|
36
|
34
|
36
|
46
|
30
|
23
|
44
|
56
|
45
|
59
|
36
|
27
|
20
|
27
|
31
|
31
|
25
|
32
|
202
|
50
|
38
|
110
|
72
|
57
|
47
|
41
|
31
|
32
|
34
|
|
2024/06
|
48
|
43
|
44
|
35
|
37
|
29
|
38
|
34
|
35
|
41
|
43
|
45
|
44
|
44
|
45
|
29
|
31
|
27
|
33
|
28
|
30
|
38
|
36
|
37
|
35
|
33
|
32
|
28
|
39
|
33
|
|
|
2024/05
|
45
|
29
|
29
|
52
|
59
|
65
|
61
|
46
|
45
|
49
|
56
|
56
|
56
|
44
|
51
|
64
|
72
|
56
|
59
|
67
|
52
|
49
|
55
|
61
|
57
|
55
|
47
|
36
|
30
|
44
|
66
|
|
2024/04
|
57
|
105
|
62
|
62
|
48
|
46
|
47
|
47
|
38
|
42
|
51
|
46
|
50
|
89
|
153
|
78
|
49
|
37
|
34
|
48
|
47
|
42
|
83
|
55
|
51
|
55
|
32
|
129
|
36
|
42
|
|
|
2024/03
|
59
|
64
|
59
|
58
|
81
|
65
|
126
|
95
|
71
|
65
|
65
|
58
|
49
|
56
|
130
|
281
|
72
|
89
|
78
|
71
|
59
|
63
|
81
|
39
|
50
|
40
|
48
|
52
|
49
|
123
|
69
|
|
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