Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
22
PM2.5
78
*
PM10
86
O3
0.5
CO
8
SO2
21
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
29 Oct
70
Good
Fri
30 Oct
63
Good
Sat
31 Oct
50
Excellent
Sun
1 Nov
58
Good
Mon
2 Nov
60
Good
Tue
3 Nov
57
Good
Wed
4 Nov
27
Excellent
Air quality in the last 12 months (Changhai)
|
2026/08
|
38
|
38
|
32
|
21
|
23
|
41
|
42
|
32
|
40
|
27
|
24
|
22
|
22
|
33
|
28
|
19
|
29
|
35
|
37
|
27
|
20
|
18
|
17
|
18
|
20
|
23
|
29
|
39
|
26
|
34
|
27
|
|
2026/07
|
27
|
32
|
49
|
43
|
26
|
31
|
30
|
29
|
33
|
27
|
19
|
29
|
28
|
14
|
43
|
41
|
38
|
47
|
34
|
27
|
27
|
26
|
21
|
24
|
27
|
26
|
24
|
37
|
28
|
34
|
35
|
|
2026/06
|
43
|
29
|
26
|
30
|
25
|
24
|
29
|
30
|
36
|
35
|
35
|
50
|
37
|
44
|
35
|
33
|
37
|
38
|
22
|
26
|
26
|
27
|
28
|
29
|
32
|
39
|
38
|
31
|
25
|
28
|
|
|
2026/05
|
70
|
42
|
31
|
31
|
36
|
43
|
35
|
31
|
37
|
39
|
37
|
32
|
36
|
37
|
33
|
30
|
30
|
26
|
25
|
38
|
47
|
27
|
24
|
23
|
25
|
32
|
24
|
44
|
40
|
62
|
59
|
|
2026/04
|
71
|
65
|
69
|
40
|
44
|
27
|
29
|
36
|
33
|
47
|
65
|
64
|
69
|
89
|
95
|
62
|
56
|
45
|
44
|
107
|
73
|
59
|
47
|
53
|
55
|
52
|
40
|
32
|
43
|
50
|
|
|
2026/03
|
162
|
155
|
161
|
120
|
70
|
32
|
39
|
63
|
40
|
39
|
51
|
79
|
63
|
91
|
167
|
111
|
94
|
48
|
48
|
55
|
73
|
85
|
131
|
114
|
118
|
97
|
60
|
47
|
87
|
45
|
52
|
|
2026/02
|
68
|
36
|
59
|
130
|
104
|
45
|
41
|
38
|
65
|
83
|
63
|
107
|
112
|
93
|
62
|
54
|
201
|
38
|
54
|
75
|
65
|
94
|
36
|
57
|
57
|
80
|
112
|
104
|
|||
|
2026/01
|
33
|
40
|
65
|
56
|
40
|
67
|
38
|
43
|
69
|
59
|
28
|
48
|
28
|
31
|
108
|
77
|
31
|
39
|
34
|
43
|
41
|
45
|
59
|
45
|
41
|
54
|
41
|
43
|
43
|
42
|
72
|
|
2025/12
|
31
|
27
|
30
|
41
|
39
|
88
|
74
|
31
|
54
|
106
|
54
|
42
|
60
|
49
|
56
|
88
|
59
|
54
|
59
|
50
|
31
|
26
|
37
|
40
|
31
|
36
|
47
|
88
|
58
|
32
|
24
|
|
2025/11
|
47
|
35
|
26
|
58
|
49
|
79
|
88
|
72
|
48
|
27
|
54
|
83
|
36
|
43
|
92
|
82
|
39
|
39
|
41
|
38
|
45
|
65
|
122
|
151
|
34
|
48
|
38
|
33
|
99
|
81
|
|
|
2025/10
|
63
|
38
|
37
|
32
|
50
|
32
|
16
|
34
|
36
|
39
|
49
|
53
|
55
|
27
|
54
|
64
|
66
|
26
|
28
|
20
|
28
|
40
|
48
|
62
|
87
|
63
|
32
|
42
|
46
|
43
|
53
|
|
2025/09
|
31
|
46
|
41
|
34
|
29
|
23
|
34
|
29
|
49
|
32
|
32
|
36
|
30
|
37
|
33
|
18
|
18
|
24
|
37
|
27
|
37
|
35
|
23
|
30
|
51
|
33
|
35
|
32
|
44
|
45
|
|
|
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