Air Quality
Excellent
No health implications.
30
PM2.5
41
PM10
37
O3
0.6
CO
4
SO2
28
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Dec
53
Good
Fri
26 Dec
44
Excellent
Sat
27 Dec
48
Excellent
Sun
28 Dec
76
Good
Mon
29 Dec
84
Good
Tue
30 Dec
28
Excellent
Wed
31 Dec
21
Excellent
Air quality in the last 12 months (Zhenhai)
|
2025/11
|
65
|
67
|
20
|
33
|
41
|
44
|
33
|
36
|
18
|
39
|
24
|
21
|
24
|
49
|
52
|
48
|
41
|
36
|
47
|
67
|
94
|
138
|
91
|
92
|
88
|
86
|
129
|
157
|
95
|
82
|
|
|
2025/10
|
29
|
17
|
23
|
36
|
16
|
25
|
37
|
18
|
19
|
33
|
33
|
48
|
51
|
52
|
33
|
19
|
21
|
18
|
23
|
27
|
24
|
26
|
28
|
26
|
30
|
34
|
37
|
24
|
35
|
41
|
22
|
|
2025/09
|
26
|
21
|
19
|
22
|
22
|
15
|
27
|
18
|
25
|
19
|
37
|
27
|
26
|
21
|
27
|
16
|
23
|
25
|
19
|
21
|
26
|
26
|
24
|
24
|
11
|
21
|
22
|
22
|
27
|
24
|
|
|
2025/08
|
31
|
30
|
27
|
32
|
19
|
20
|
26
|
37
|
34
|
39
|
41
|
26
|
15
|
15
|
11
|
16
|
19
|
12
|
12
|
21
|
34
|
29
|
22
|
17
|
16
|
23
|
12
|
10
|
10
|
9
|
15
|
|
2025/07
|
12
|
16
|
20
|
20
|
17
|
13
|
13
|
18
|
18
|
24
|
20
|
11
|
17
|
36
|
33
|
30
|
27
|
24
|
13
|
15
|
13
|
13
|
18
|
21
|
19
|
15
|
14
|
16
|
21
|
8
|
14
|
|
2025/06
|
18
|
20
|
26
|
33
|
28
|
28
|
39
|
42
|
25
|
20
|
15
|
18
|
11
|
17
|
12
|
14
|
35
|
36
|
20
|
16
|
19
|
25
|
20
|
25
|
28
|
26
|
30
|
23
|
19
|
10
|
|
|
2025/05
|
45
|
57
|
58
|
38
|
27
|
63
|
67
|
31
|
20
|
39
|
35
|
37
|
30
|
19
|
23
|
22
|
36
|
48
|
20
|
32
|
21
|
35
|
14
|
44
|
42
|
28
|
19
|
24
|
25
|
48
|
36
|
|
2025/04
|
40
|
56
|
53
|
35
|
52
|
80
|
56
|
58
|
56
|
49
|
48
|
146
|
102
|
80
|
58
|
57
|
55
|
58
|
49
|
59
|
33
|
31
|
38
|
59
|
44
|
38
|
29
|
32
|
33
|
33
|
|
|
2025/03
|
29
|
38
|
37
|
16
|
20
|
26
|
39
|
65
|
49
|
36
|
42
|
28
|
25
|
44
|
17
|
37
|
43
|
46
|
47
|
47
|
49
|
51
|
55
|
58
|
64
|
71
|
59
|
53
|
50
|
52
|
32
|
|
2025/02
|
18
|
44
|
64
|
57
|
43
|
43
|
54
|
35
|
37
|
50
|
27
|
66
|
44
|
42
|
51
|
64
|
66
|
34
|
51
|
44
|
26
|
41
|
46
|
80
|
91
|
98
|
75
|
33
|
|||
|
2025/01
|
72
|
62
|
57
|
54
|
63
|
91
|
79
|
83
|
46
|
37
|
62
|
74
|
84
|
73
|
59
|
53
|
70
|
75
|
82
|
132
|
144
|
59
|
41
|
48
|
37
|
37
|
42
|
34
|
89
|
48
|
31
|
|
2024/12
|
54
|
68
|
77
|
50
|
39
|
64
|
96
|
30
|
41
|
56
|
29
|
64
|
51
|
79
|
60
|
60
|
65
|
77
|
33
|
58
|
82
|
63
|
54
|
46
|
66
|
97
|
44
|
58
|
58
|
66
|
83
|
|
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