Air Quality
Excellent
No health implications.
22
PM2.5
42
PM10
13
O3
1.3
CO
6
SO2
33
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Oct
73
Good
Wed
15 Oct
57
Good
Thu
16 Oct
47
Excellent
Fri
17 Oct
48
Excellent
Sat
18 Oct
47
Excellent
Sun
19 Oct
30
Excellent
Mon
20 Oct
17
Excellent
Air quality in the last 12 months (Zhenhai)
|
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
|
|
2024/11
|
8
|
29
|
52
|
50
|
31
|
24
|
21
|
22
|
26
|
20
|
29
|
31
|
48
|
33
|
27
|
16
|
15
|
22
|
22
|
24
|
38
|
56
|
31
|
34
|
33
|
27
|
43
|
57
|
47
|
52
|
|
|
2024/10
|
21
|
22
|
17
|
20
|
19
|
13
|
11
|
40
|
40
|
53
|
69
|
56
|
42
|
45
|
53
|
34
|
38
|
37
|
24
|
34
|
45
|
36
|
30
|
16
|
25
|
15
|
16
|
36
|
29
|
24
|
19
|
|
2024/09
|
33
|
32
|
27
|
25
|
22
|
32
|
40
|
30
|
28
|
28
|
15
|
20
|
15
|
19
|
19
|
11
|
15
|
21
|
18
|
14
|
17
|
25
|
26
|
32
|
44
|
35
|
24
|
36
|
36
|
20
|
|
|
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