Air Quality
Excellent
No health implications.
22
PM2.5
43
PM10
121
O3
0.2
CO
4
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 May
61
Good
Wed
20 May
112
Light
Thu
21 May
65
Good
Fri
22 May
66
Good
Sat
23 May
63
Good
Sun
24 May
63
Good
Mon
25 May
37
Excellent
Air quality in the last 12 months (Yiwu)
|
2026/04
|
49
|
71
|
41
|
38
|
37
|
41
|
43
|
63
|
43
|
46
|
51
|
32
|
48
|
43
|
73
|
62
|
61
|
59
|
58
|
68
|
77
|
72
|
60
|
45
|
40
|
39
|
33
|
73
|
90
|
41
|
|
|
2026/03
|
76
|
54
|
57
|
58
|
36
|
44
|
49
|
40
|
48
|
56
|
163
|
141
|
48
|
43
|
53
|
59
|
35
|
47
|
73
|
80
|
58
|
49
|
63
|
66
|
38
|
29
|
37
|
45
|
46
|
47
|
45
|
|
2026/02
|
54
|
53
|
60
|
63
|
67
|
189
|
185
|
114
|
97
|
62
|
69
|
88
|
84
|
68
|
69
|
84
|
136
|
72
|
70
|
164
|
239
|
78
|
38
|
121
|
90
|
44
|
56
|
57
|
|||
|
2026/01
|
57
|
60
|
50
|
46
|
64
|
75
|
61
|
66
|
83
|
96
|
83
|
92
|
103
|
297
|
258
|
80
|
61
|
70
|
88
|
64
|
64
|
76
|
76
|
118
|
134
|
94
|
100
|
83
|
114
|
93
|
66
|
|
2025/12
|
52
|
37
|
49
|
57
|
92
|
88
|
54
|
54
|
76
|
68
|
51
|
42
|
43
|
46
|
63
|
74
|
72
|
75
|
66
|
37
|
58
|
58
|
51
|
38
|
50
|
61
|
61
|
55
|
52
|
58
|
50
|
|
2025/11
|
69
|
70
|
80
|
72
|
80
|
68
|
48
|
70
|
58
|
61
|
68
|
57
|
66
|
75
|
53
|
31
|
43
|
54
|
69
|
77
|
80
|
92
|
95
|
63
|
73
|
64
|
66
|
161
|
113
|
58
|
|
|
2025/10
|
58
|
65
|
60
|
45
|
50
|
46
|
45
|
49
|
59
|
74
|
68
|
83
|
75
|
43
|
45
|
30
|
47
|
83
|
79
|
80
|
68
|
77
|
69
|
81
|
83
|
74
|
74
|
81
|
77
|
68
|
68
|
|
2025/09
|
221
|
63
|
117
|
59
|
51
|
75
|
76
|
65
|
76
|
69
|
52
|
60
|
48
|
68
|
39
|
29
|
45
|
48
|
67
|
71
|
60
|
54
|
45
|
48
|
43
|
41
|
52
|
49
|
54
|
55
|
|
|
2025/08
|
53
|
42
|
45
|
38
|
34
|
46
|
36
|
47
|
53
|
46
|
44
|
36
|
43
|
49
|
41
|
46
|
39
|
57
|
81
|
28
|
72
|
50
|
46
|
55
|
67
|
35
|
45
|
48
|
47
|
56
|
95
|
|
2025/07
|
52
|
47
|
39
|
32
|
32
|
56
|
33
|
48
|
32
|
36
|
58
|
60
|
50
|
57
|
50
|
44
|
51
|
52
|
34
|
48
|
44
|
45
|
45
|
53
|
54
|
50
|
51
|
44
|
121
|
69
|
45
|
|
2025/06
|
30
|
48
|
37
|
45
|
48
|
42
|
39
|
46
|
69
|
52
|
46
|
43
|
46
|
38
|
37
|
50
|
34
|
49
|
31
|
38
|
32
|
33
|
28
|
34
|
48
|
49
|
36
|
67
|
29
|
34
|
|
|
2025/05
|
67
|
182
|
58
|
109
|
81
|
80
|
150
|
39
|
41
|
37
|
49
|
46
|
53
|
36
|
63
|
79
|
75
|
48
|
80
|
110
|
45
|
39
|
30
|
41
|
48
|
45
|
65
|
143
|
44
|
44
|
39
|
|
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