Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
25
PM2.5
55
*
PM10
65
O3
0.3
CO
5
SO2
8
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
10 May
70
Good
Sun
11 May
70
Good
Mon
12 May
67
Good
Tue
13 May
74
Good
Wed
14 May
72
Good
Thu
15 May
69
Good
Fri
16 May
81
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