Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
38
PM2.5
135
*
PM10
81
O3
1.0
CO
9
SO2
20
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
3 Nov
87
Good
Wed
4 Nov
82
Good
Thu
5 Nov
78
Good
Fri
6 Nov
56
Good
Sat
7 Nov
59
Good
Sun
8 Nov
61
Good
Mon
9 Nov
39
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