Air Quality
Excellent
No health implications.
6
PM2.5
16
PM10
69
O3
0.5
CO
7
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Apr
56
Good
Mon
29 Apr
86
Good
Tue
30 Apr
53
Good
Wed
1 May
82
Good
Thu
2 May
75
Good
Fri
3 May
71
Good
Sat
4 May
75
Good
Air quality in the last 12 months (Zhenhai)
|
2024/02
|
29
|
21
|
17
|
29
|
27
|
59
|
60
|
55
|
138
|
137
|
76
|
69
|
46
|
39
|
30
|
27
|
25
|
26
|
40
|
19
|
18
|
17
|
38
|
33
|
56
|
80
|
77
|
39
|
26
|
||
|
2024/01
|
75
|
81
|
85
|
84
|
69
|
127
|
87
|
41
|
82
|
128
|
136
|
102
|
99
|
80
|
44
|
34
|
34
|
85
|
37
|
29
|
56
|
39
|
35
|
43
|
60
|
84
|
121
|
123
|
117
|
71
|
41
|
|
2023/12
|
40
|
59
|
76
|
96
|
65
|
68
|
85
|
63
|
58
|
55
|
47
|
35
|
47
|
34
|
32
|
30
|
30
|
40
|
31
|
54
|
48
|
42
|
63
|
83
|
101
|
102
|
112
|
125
|
65
|
89
|
132
|
|
2023/11
|
29
|
28
|
36
|
24
|
18
|
24
|
42
|
48
|
47
|
30
|
20
|
24
|
27
|
49
|
74
|
57
|
86
|
57
|
59
|
76
|
53
|
43
|
89
|
42
|
39
|
52
|
74
|
78
|
69
|
49
|
|
|
2023/10
|
36
|
31
|
40
|
29
|
42
|
31
|
23
|
26
|
35
|
45
|
41
|
30
|
23
|
44
|
57
|
72
|
77
|
52
|
66
|
30
|
33
|
40
|
28
|
31
|
58
|
55
|
51
|
35
|
36
|
38
|
36
|
|
2023/09
|
30
|
36
|
26
|
25
|
27
|
30
|
35
|
38
|
43
|
42
|
32
|
27
|
27
|
21
|
32
|
31
|
47
|
37
|
21
|
24
|
29
|
24
|
24
|
29
|
43
|
44
|
50
|
40
|
36
|
36
|
|
|
2023/08
|
22
|
21
|
34
|
26
|
24
|
35
|
31
|
29
|
47
|
44
|
69
|
38
|
40
|
38
|
23
|
42
|
42
|
30
|
25
|
22
|
30
|
34
|
28
|
53
|
34
|
26
|
16
|
17
|
18
|
24
|
29
|
|
2023/07
|
34
|
32
|
32
|
38
|
38
|
35
|
32
|
43
|
38
|
35
|
32
|
33
|
34
|
29
|
21
|
14
|
17
|
30
|
41
|
30
|
24
|
23
|
20
|
26
|
15
|
14
|
12
|
14
|
12
|
11
|
30
|
|
2023/06
|
23
|
68
|
57
|
42
|
44
|
32
|
32
|
28
|
39
|
46
|
56
|
30
|
27
|
42
|
75
|
47
|
28
|
32
|
29
|
30
|
44
|
60
|
35
|
21
|
21
|
22
|
27
|
25
|
34
|
31
|
|
|
2023/05
|
57
|
45
|
28
|
23
|
34
|
30
|
26
|
30
|
47
|
44
|
50
|
66
|
84
|
67
|
73
|
39
|
30
|
28
|
31
|
31
|
29
|
58
|
85
|
52
|
43
|
40
|
29
|
27
|
23
|
42
|
35
|
|
2023/04
|
51
|
63
|
41
|
26
|
37
|
43
|
50
|
46
|
39
|
38
|
46
|
140
|
136
|
74
|
78
|
78
|
62
|
51
|
30
|
40
|
47
|
75
|
81
|
32
|
40
|
54
|
49
|
42
|
62
|
69
|
|
|
2023/03
|
77
|
60
|
49
|
67
|
58
|
55
|
53
|
57
|
73
|
59
|
44
|
63
|
45
|
43
|
43
|
60
|
43
|
46
|
36
|
30
|
52
|
57
|
34
|
94
|
50
|
53
|
75
|
64
|
53
|
43
|
43
|
|
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