Air Quality
Excellent
No health implications.
16
PM2.5
21
PM10
87
O3
0.8
CO
6
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Apr
53
Good
Wed
23 Apr
81
Good
Thu
24 Apr
92
Good
Fri
25 Apr
57
Good
Sat
26 Apr
59
Good
Sun
27 Apr
51
Good
Mon
28 Apr
46
Excellent
Air quality in the last 12 months (Zhenhai)
|
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
|
|
|
2024/08
|
20
|
29
|
33
|
30
|
25
|
28
|
32
|
30
|
27
|
27
|
32
|
48
|
40
|
29
|
31
|
37
|
28
|
19
|
17
|
18
|
15
|
21
|
27
|
33
|
25
|
21
|
30
|
23
|
25
|
29
|
26
|
|
2024/07
|
31
|
27
|
32
|
23
|
29
|
22
|
26
|
23
|
24
|
30
|
37
|
44
|
36
|
27
|
29
|
15
|
17
|
25
|
24
|
18
|
19
|
14
|
12
|
15
|
20
|
24
|
17
|
14
|
13
|
11
|
16
|
|
2024/06
|
30
|
24
|
37
|
57
|
41
|
23
|
30
|
39
|
36
|
22
|
12
|
16
|
32
|
21
|
28
|
32
|
14
|
17
|
17
|
21
|
22
|
28
|
26
|
25
|
19
|
18
|
21
|
18
|
19
|
28
|
|
|
2024/05
|
29
|
36
|
34
|
28
|
36
|
46
|
61
|
54
|
28
|
25
|
33
|
39
|
57
|
46
|
54
|
34
|
28
|
37
|
32
|
25
|
30
|
44
|
29
|
35
|
14
|
17
|
31
|
21
|
33
|
34
|
35
|
|
2024/04
|
59
|
23
|
22
|
28
|
45
|
45
|
55
|
28
|
50
|
56
|
49
|
28
|
33
|
23
|
60
|
62
|
29
|
51
|
89
|
62
|
44
|
33
|
32
|
36
|
25
|
39
|
47
|
21
|
43
|
27
|
|
|
2024/03
|
32
|
57
|
56
|
35
|
38
|
39
|
62
|
87
|
77
|
55
|
40
|
74
|
43
|
65
|
57
|
42
|
57
|
67
|
57
|
100
|
77
|
61
|
64
|
64
|
66
|
29
|
32
|
33
|
44
|
53
|
67
|
|
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