Zhejiang - China   2025-09-24   Wednesday   29.87N, 121.54E

Haishu

Zhejiang - China
2025-09-24

Air Quality

Excellent

No health implications.

4

PM2.5

8

PM10

44

O3

0.3

CO

6

SO2

4

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

24 Sep

39 Excellent

Thu

25 Sep

43 Excellent

Fri

26 Sep

54 Good

Sat

27 Sep

60 Good

Sun

28 Sep

54 Good

Mon

29 Sep

70 Good

Tue

30 Sep

36 Excellent

Monthly Average AQI (Haishu)

2020/09 - 2025/08

Air quality in the last 12 months (Haishu)

2025/08
35
29
28
28
20
20
25
35
38
39
40
24
17
15
11
18
19
13
12
23
35
30
24
19
17
22
14
11
11
10
14
2025/07
11
17
21
21
16
12
12
15
16
25
16
13
18
37
33
32
30
25
13
16
14
14
15
21
18
15
12
13
19
7
18
2025/06
19
21
24
33
30
29
37
42
30
22
15
20
13
15
12
16
31
33
20
18
21
27
23
23
24
23
28
22
19
11
2025/05
42
49
50
35
28
63
67
44
24
35
35
35
29
24
24
21
31
56
20
30
22
34
17
45
42
29
21
25
25
46
38
2025/04
44
53
56
36
53
77
51
55
54
43
48
153
96
82
51
57
56
53
43
51
38
29
37
56
47
39
29
38
32
32
2025/03
31
40
39
17
24
30
48
69
58
32
42
33
27
46
14
42
45
48
50
50
48
48
55
58
66
71
57
54
45
51
34
2025/02
20
50
67
58
43
44
55
33
40
50
29
69
47
43
54
66
66
36
55
47
26
45
55
92
108
112
85
36
2025/01
66
65
60
51
76
96
84
81
42
39
65
77
85
72
55
55
68
73
80
124
144
62
44
54
39
45
42
35
85
54
34
2024/12
64
69
73
50
40
61
104
36
43
52
27
67
51
84
60
57
65
80
36
60
86
67
58
48
66
104
43
58
55
68
87
2024/11
8
32
53
50
31
27
27
31
28
24
29
38
49
36
27
20
17
24
23
29
43
66
38
38
36
28
43
56
49
50
2024/10
22
22
19
21
17
11
10
29
40
52
67
55
39
45
44
30
35
34
30
36
53
37
34
17
28
15
16
39
35
26
18
2024/09
30
32
29
25
22
33
40
29
29
31
17
25
17
20
19
13
18
21
18
20
20
28
27
37
49
35
25
39
34
19
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