Air Quality
Excellent
No health implications.
23
PM2.5
50
PM10
49
O3
0.1
CO
27
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Apr
77
Good
Tue
30 Apr
78
Good
Wed
1 May
92
Good
Thu
2 May
96
Good
Fri
3 May
103
Lightly
Sat
4 May
100
Good
Sun
5 May
100
Good
Air quality in the last 12 months (Zhoucun)
|
2024/02
|
39
|
52
|
43
|
42
|
73
|
142
|
106
|
114
|
214
|
263
|
103
|
100
|
70
|
72
|
40
|
49
|
43
|
114
|
33
|
36
|
28
|
36
|
37
|
74
|
97
|
88
|
68
|
90
|
80
|
||
|
2024/01
|
100
|
201
|
160
|
80
|
114
|
84
|
44
|
69
|
99
|
58
|
168
|
289
|
367
|
122
|
67
|
102
|
149
|
73
|
47
|
56
|
57
|
30
|
35
|
56
|
60
|
94
|
96
|
83
|
119
|
148
|
167
|
|
2023/12
|
69
|
76
|
90
|
106
|
155
|
163
|
116
|
80
|
89
|
46
|
29
|
64
|
97
|
34
|
36
|
37
|
43
|
69
|
78
|
37
|
36
|
77
|
117
|
105
|
72
|
120
|
173
|
264
|
250
|
249
|
148
|
|
2023/11
|
64
|
64
|
91
|
85
|
52
|
49
|
51
|
66
|
75
|
33
|
42
|
51
|
46
|
76
|
122
|
72
|
41
|
53
|
91
|
90
|
85
|
159
|
87
|
43
|
70
|
115
|
136
|
52
|
46
|
48
|
|
|
2023/10
|
50
|
49
|
56
|
58
|
48
|
63
|
72
|
53
|
53
|
53
|
61
|
68
|
96
|
87
|
76
|
50
|
62
|
81
|
71
|
39
|
51
|
67
|
66
|
71
|
96
|
78
|
61
|
73
|
94
|
91
|
75
|
|
2023/09
|
62
|
71
|
82
|
97
|
72
|
77
|
73
|
81
|
76
|
81
|
89
|
62
|
36
|
45
|
66
|
87
|
75
|
48
|
38
|
26
|
39
|
47
|
34
|
40
|
53
|
64
|
53
|
67
|
59
|
48
|
|
|
2023/08
|
24
|
25
|
35
|
40
|
36
|
25
|
33
|
42
|
42
|
47
|
72
|
46
|
34
|
50
|
65
|
74
|
82
|
63
|
67
|
56
|
32
|
45
|
63
|
45
|
58
|
49
|
24
|
28
|
39
|
54
|
60
|
|
2023/07
|
68
|
65
|
62
|
30
|
67
|
63
|
62
|
76
|
67
|
56
|
59
|
37
|
30
|
60
|
50
|
48
|
62
|
61
|
73
|
77
|
39
|
39
|
50
|
67
|
55
|
56
|
59
|
20
|
15
|
20
|
22
|
|
2023/06
|
71
|
56
|
54
|
59
|
55
|
52
|
72
|
48
|
50
|
59
|
66
|
62
|
64
|
77
|
81
|
86
|
83
|
44
|
30
|
57
|
57
|
78
|
83
|
83
|
34
|
41
|
65
|
40
|
41
|
76
|
|
|
2023/05
|
66
|
63
|
66
|
30
|
36
|
50
|
51
|
53
|
65
|
59
|
72
|
64
|
53
|
74
|
76
|
65
|
64
|
73
|
63
|
98
|
160
|
66
|
60
|
58
|
49
|
60
|
63
|
34
|
53
|
79
|
97
|
|
2023/04
|
60
|
53
|
61
|
33
|
43
|
56
|
43
|
45
|
66
|
63
|
342
|
386
|
144
|
123
|
151
|
86
|
78
|
84
|
80
|
80
|
51
|
45
|
54
|
48
|
54
|
56
|
61
|
74
|
60
|
67
|
|
|
2023/03
|
123
|
57
|
87
|
94
|
95
|
110
|
124
|
108
|
113
|
76
|
91
|
54
|
84
|
79
|
129
|
77
|
71
|
66
|
88
|
85
|
85
|
290
|
254
|
93
|
85
|
74
|
100
|
88
|
84
|
68
|
72
|
|
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