Air Quality
Excellent
No health implications.
6
PM2.5
15
PM10
138
O3
0.6
CO
3
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Jun
82
Good
Mon
2 Jun
45
Excellent
Tue
3 Jun
56
Good
Wed
4 Jun
66
Good
Thu
5 Jun
62
Good
Fri
6 Jun
59
Good
Sat
7 Jun
43
Excellent
Air quality in the last 12 months (Dinghai)
|
2025/04
|
38
|
44
|
35
|
21
|
47
|
58
|
50
|
59
|
39
|
43
|
35
|
105
|
113
|
77
|
54
|
59
|
64
|
45
|
25
|
41
|
22
|
34
|
38
|
59
|
41
|
24
|
28
|
26
|
35
|
28
|
|
|
2025/03
|
22
|
29
|
27
|
18
|
12
|
29
|
36
|
48
|
24
|
34
|
29
|
23
|
34
|
42
|
13
|
42
|
37
|
44
|
31
|
40
|
49
|
50
|
47
|
55
|
58
|
46
|
52
|
41
|
57
|
30
|
28
|
|
2025/02
|
20
|
41
|
54
|
59
|
45
|
36
|
50
|
36
|
35
|
38
|
21
|
60
|
40
|
21
|
42
|
84
|
56
|
35
|
41
|
27
|
27
|
32
|
45
|
80
|
49
|
109
|
68
|
18
|
|||
|
2025/01
|
42
|
27
|
45
|
32
|
48
|
87
|
61
|
65
|
38
|
30
|
44
|
62
|
71
|
56
|
44
|
48
|
60
|
52
|
68
|
121
|
118
|
37
|
26
|
33
|
42
|
27
|
52
|
34
|
59
|
47
|
23
|
|
2024/12
|
39
|
41
|
52
|
32
|
28
|
89
|
100
|
23
|
20
|
24
|
21
|
44
|
39
|
76
|
53
|
48
|
57
|
51
|
25
|
39
|
70
|
42
|
25
|
30
|
35
|
97
|
34
|
50
|
43
|
43
|
69
|
|
2024/11
|
11
|
40
|
43
|
36
|
23
|
17
|
19
|
26
|
20
|
11
|
24
|
26
|
34
|
24
|
14
|
11
|
23
|
26
|
21
|
21
|
30
|
60
|
15
|
17
|
24
|
31
|
43
|
62
|
43
|
45
|
|
|
2024/10
|
15
|
22
|
18
|
18
|
10
|
14
|
10
|
26
|
24
|
40
|
40
|
27
|
18
|
26
|
28
|
20
|
26
|
34
|
25
|
34
|
38
|
33
|
26
|
18
|
25
|
15
|
20
|
32
|
17
|
25
|
17
|
|
2024/09
|
22
|
23
|
22
|
20
|
19
|
35
|
43
|
27
|
24
|
23
|
12
|
24
|
16
|
18
|
22
|
14
|
20
|
22
|
20
|
17
|
15
|
21
|
26
|
21
|
40
|
24
|
19
|
30
|
31
|
21
|
|
|
2024/08
|
31
|
39
|
33
|
34
|
22
|
31
|
33
|
24
|
26
|
32
|
37
|
48
|
44
|
22
|
33
|
32
|
25
|
15
|
13
|
21
|
24
|
32
|
28
|
30
|
19
|
18
|
32
|
20
|
21
|
24
|
24
|
|
2024/07
|
33
|
33
|
34
|
34
|
30
|
22
|
29
|
29
|
30
|
41
|
44
|
33
|
32
|
35
|
18
|
16
|
21
|
35
|
31
|
20
|
23
|
17
|
18
|
24
|
31
|
35
|
31
|
23
|
19
|
18
|
22
|
|
2024/06
|
33
|
13
|
26
|
50
|
22
|
13
|
12
|
20
|
31
|
19
|
11
|
23
|
27
|
16
|
25
|
30
|
17
|
14
|
19
|
23
|
46
|
36
|
30
|
34
|
17
|
16
|
29
|
21
|
23
|
26
|
|
|
2024/05
|
29
|
30
|
33
|
26
|
31
|
36
|
47
|
31
|
17
|
24
|
33
|
48
|
52
|
30
|
42
|
29
|
30
|
31
|
24
|
19
|
22
|
29
|
16
|
20
|
17
|
24
|
26
|
15
|
20
|
26
|
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