Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
34
PM2.5
62
*
PM10
104
O3
0.6
CO
7
SO2
22
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
26 Apr
74
Good
Mon
27 Apr
70
Good
Tue
28 Apr
62
Good
Wed
29 Apr
64
Good
Thu
30 Apr
74
Good
Fri
1 May
65
Good
Sat
2 May
39
Excellent
Air quality in the last 12 months (Changhai)
|
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
|
|
|
2025/08
|
16
|
23
|
24
|
22
|
31
|
25
|
23
|
30
|
16
|
23
|
24
|
20
|
24
|
24
|
16
|
20
|
17
|
24
|
20
|
18
|
21
|
19
|
31
|
27
|
17
|
19
|
24
|
22
|
16
|
20
|
14
|
|
2025/07
|
17
|
15
|
17
|
20
|
40
|
32
|
37
|
21
|
32
|
39
|
29
|
27
|
35
|
29
|
27
|
15
|
18
|
35
|
22
|
17
|
20
|
15
|
16
|
23
|
29
|
22
|
24
|
29
|
19
|
20
|
28
|
|
2025/06
|
58
|
49
|
32
|
25
|
37
|
55
|
41
|
29
|
25
|
21
|
33
|
19
|
15
|
17
|
24
|
21
|
31
|
33
|
22
|
21
|
25
|
37
|
33
|
31
|
34
|
27
|
29
|
47
|
21
|
13
|
|
|
2025/05
|
38
|
24
|
20
|
32
|
33
|
30
|
34
|
32
|
40
|
42
|
48
|
50
|
50
|
43
|
48
|
18
|
31
|
33
|
40
|
41
|
35
|
73
|
50
|
42
|
51
|
47
|
35
|
36
|
32
|
39
|
43
|
|
2025/04
|
67
|
59
|
57
|
54
|
43
|
40
|
53
|
56
|
46
|
50
|
46
|
42
|
23
|
21
|
31
|
45
|
66
|
34
|
38
|
49
|
33
|
25
|
43
|
45
|
34
|
54
|
45
|
31
|
52
|
60
|
|
|
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