Air Quality
Excellent
No health implications.
10
PM2.5
15
PM10
24
O3
0.2
CO
4
SO2
21
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Dec
61
Good
Tue
2 Dec
59
Good
Wed
3 Dec
52
Good
Thu
4 Dec
53
Good
Fri
5 Dec
59
Good
Sat
6 Dec
61
Good
Sun
7 Dec
35
Excellent
Air quality in the last 12 months (Dinghu)
|
2025/10
|
36
|
17
|
20
|
29
|
15
|
18
|
30
|
27
|
35
|
38
|
40
|
31
|
29
|
25
|
33
|
54
|
50
|
43
|
26
|
10
|
8
|
8
|
11
|
26
|
38
|
44
|
42
|
46
|
56
|
42
|
27
|
|
2025/09
|
17
|
19
|
17
|
20
|
24
|
26
|
25
|
7
|
13
|
17
|
29
|
17
|
20
|
22
|
23
|
24
|
23
|
29
|
24
|
18
|
12
|
25
|
15
|
7
|
16
|
25
|
32
|
30
|
42
|
28
|
|
|
2025/08
|
16
|
24
|
27
|
38
|
25
|
15
|
35
|
47
|
26
|
24
|
25
|
26
|
29
|
28
|
15
|
32
|
25
|
13
|
24
|
22
|
18
|
29
|
45
|
30
|
27
|
38
|
27
|
24
|
33
|
29
|
25
|
|
2025/07
|
15
|
22
|
34
|
32
|
48
|
37
|
34
|
21
|
24
|
24
|
12
|
37
|
23
|
33
|
31
|
31
|
33
|
32
|
26
|
10
|
15
|
13
|
20
|
17
|
28
|
27
|
36
|
39
|
29
|
27
|
21
|
|
2025/06
|
36
|
31
|
19
|
36
|
38
|
31
|
22
|
21
|
33
|
40
|
23
|
19
|
16
|
18
|
17
|
29
|
16
|
13
|
14
|
16
|
14
|
19
|
18
|
21
|
22
|
19
|
14
|
20
|
22
|
22
|
|
|
2025/05
|
35
|
46
|
36
|
24
|
27
|
33
|
25
|
18
|
15
|
33
|
27
|
36
|
39
|
35
|
26
|
17
|
28
|
20
|
30
|
24
|
27
|
31
|
20
|
19
|
34
|
43
|
65
|
72
|
50
|
27
|
39
|
|
2025/04
|
21
|
42
|
53
|
54
|
77
|
58
|
71
|
69
|
53
|
46
|
36
|
67
|
199
|
142
|
91
|
92
|
72
|
69
|
34
|
34
|
29
|
35
|
41
|
30
|
18
|
49
|
59
|
29
|
39
|
44
|
|
|
2025/03
|
33
|
27
|
45
|
39
|
15
|
8
|
12
|
24
|
46
|
65
|
29
|
31
|
28
|
25
|
22
|
10
|
46
|
32
|
28
|
38
|
46
|
60
|
47
|
62
|
63
|
53
|
34
|
46
|
11
|
9
|
8
|
|
2025/02
|
35
|
31
|
9
|
22
|
38
|
40
|
17
|
39
|
43
|
42
|
52
|
51
|
36
|
62
|
44
|
68
|
39
|
46
|
51
|
46
|
34
|
36
|
17
|
29
|
60
|
62
|
91
|
58
|
|||
|
2025/01
|
65
|
62
|
51
|
59
|
72
|
82
|
75
|
73
|
72
|
45
|
44
|
39
|
39
|
64
|
45
|
60
|
45
|
50
|
43
|
48
|
59
|
66
|
54
|
45
|
32
|
17
|
25
|
36
|
57
|
67
|
38
|
|
2024/12
|
53
|
66
|
54
|
44
|
67
|
73
|
45
|
18
|
47
|
53
|
45
|
19
|
26
|
50
|
43
|
36
|
36
|
38
|
43
|
62
|
48
|
60
|
63
|
66
|
61
|
52
|
65
|
74
|
81
|
74
|
59
|
|
2024/11
|
31
|
32
|
44
|
40
|
34
|
44
|
30
|
30
|
38
|
36
|
39
|
35
|
37
|
29
|
27
|
18
|
28
|
20
|
18
|
16
|
18
|
27
|
32
|
42
|
30
|
11
|
24
|
27
|
25
|
32
|
|
|
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