Air Quality
Excellent
No health implications.
9
PM2.5
21
PM10
66
O3
0.3
CO
4
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 May
92
Good
Wed
22 May
87
Good
Thu
23 May
97
Good
Fri
24 May
88
Good
Sat
25 May
88
Good
Sun
26 May
89
Good
Mon
27 May
87
Good
Air quality in the last 12 months (Wucheng)
|
2024/02
|
41
|
19
|
18
|
20
|
20
|
39
|
44
|
85
|
127
|
142
|
69
|
54
|
52
|
58
|
41
|
23
|
32
|
52
|
54
|
29
|
19
|
12
|
18
|
30
|
45
|
80
|
109
|
60
|
27
|
||
|
2024/01
|
168
|
142
|
98
|
63
|
67
|
73
|
196
|
161
|
139
|
76
|
120
|
69
|
75
|
84
|
124
|
74
|
64
|
98
|
37
|
22
|
47
|
42
|
33
|
42
|
53
|
75
|
83
|
92
|
92
|
76
|
70
|
|
2023/12
|
48
|
61
|
91
|
93
|
64
|
65
|
70
|
65
|
68
|
66
|
63
|
23
|
67
|
81
|
55
|
30
|
51
|
49
|
29
|
56
|
58
|
53
|
57
|
67
|
71
|
90
|
94
|
129
|
209
|
162
|
113
|
|
2023/11
|
55
|
49
|
50
|
60
|
57
|
31
|
47
|
64
|
53
|
22
|
25
|
24
|
50
|
59
|
70
|
61
|
76
|
80
|
67
|
67
|
64
|
72
|
70
|
77
|
62
|
76
|
75
|
69
|
76
|
71
|
|
|
2023/10
|
33
|
36
|
45
|
37
|
34
|
38
|
21
|
25
|
44
|
50
|
53
|
48
|
49
|
50
|
51
|
59
|
61
|
58
|
63
|
22
|
33
|
40
|
37
|
35
|
64
|
86
|
80
|
83
|
56
|
59
|
55
|
|
2023/09
|
48
|
40
|
39
|
32
|
26
|
34
|
42
|
41
|
46
|
52
|
52
|
49
|
34
|
20
|
35
|
20
|
29
|
34
|
36
|
31
|
21
|
28
|
24
|
50
|
63
|
55
|
52
|
54
|
47
|
36
|
|
|
2023/08
|
33
|
30
|
33
|
34
|
48
|
45
|
44
|
51
|
53
|
51
|
53
|
44
|
34
|
45
|
41
|
48
|
43
|
44
|
30
|
29
|
35
|
24
|
30
|
49
|
52
|
29
|
20
|
24
|
18
|
33
|
41
|
|
2023/07
|
53
|
39
|
37
|
34
|
35
|
34
|
36
|
39
|
43
|
45
|
53
|
43
|
42
|
43
|
39
|
30
|
33
|
35
|
30
|
29
|
38
|
22
|
27
|
32
|
33
|
24
|
22
|
15
|
19
|
26
|
32
|
|
2023/06
|
55
|
80
|
91
|
71
|
55
|
56
|
45
|
25
|
38
|
48
|
71
|
82
|
61
|
64
|
68
|
53
|
47
|
41
|
30
|
31
|
34
|
41
|
29
|
23
|
24
|
35
|
34
|
35
|
35
|
39
|
|
|
2023/05
|
63
|
40
|
41
|
46
|
36
|
38
|
25
|
41
|
52
|
59
|
62
|
66
|
58
|
64
|
69
|
52
|
43
|
40
|
47
|
66
|
49
|
39
|
82
|
63
|
60
|
56
|
34
|
34
|
43
|
78
|
72
|
|
2023/04
|
72
|
58
|
43
|
46
|
57
|
48
|
46
|
61
|
58
|
59
|
61
|
176
|
116
|
80
|
61
|
75
|
81
|
69
|
40
|
36
|
45
|
69
|
51
|
24
|
36
|
38
|
48
|
72
|
56
|
73
|
|
|
2023/03
|
76
|
90
|
94
|
85
|
69
|
69
|
68
|
65
|
80
|
56
|
53
|
74
|
72
|
61
|
62
|
88
|
53
|
47
|
53
|
47
|
68
|
57
|
39
|
43
|
46
|
49
|
96
|
88
|
65
|
30
|
50
|
|
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