Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
34
PM2.5
51
*
PM10
76
O3
0.4
CO
10
SO2
31
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
11 Apr
62
Good
Sat
12 Apr
66
Good
Sun
13 Apr
53
Good
Mon
14 Apr
59
Good
Tue
15 Apr
74
Good
Wed
16 Apr
25
Excellent
Thu
17 Apr
44
Excellent
Changhai Air quality rank
Air quality in the last 12 months (Changhai)
|
2025/02
|
81
|
102
|
36
|
32
|
28
|
39
|
51
|
51
|
45
|
54
|
56
|
38
|
65
|
89
|
93
|
60
|
30
|
31
|
42
|
44
|
43
|
36
|
31
|
43
|
63
|
72
|
101
|
87
|
|||
|
2025/01
|
47
|
36
|
34
|
64
|
149
|
51
|
36
|
46
|
35
|
47
|
60
|
77
|
78
|
64
|
37
|
57
|
47
|
69
|
103
|
68
|
69
|
53
|
49
|
76
|
111
|
152
|
65
|
53
|
130
|
49
|
64
|
|
2024/12
|
53
|
29
|
31
|
35
|
33
|
30
|
32
|
42
|
49
|
55
|
37
|
46
|
54
|
39
|
36
|
52
|
38
|
39
|
40
|
76
|
41
|
43
|
46
|
49
|
89
|
43
|
41
|
44
|
49
|
83
|
36
|
|
2024/11
|
86
|
60
|
57
|
37
|
22
|
31
|
41
|
43
|
45
|
57
|
37
|
46
|
29
|
38
|
46
|
36
|
20
|
24
|
33
|
79
|
63
|
35
|
50
|
39
|
33
|
18
|
19
|
33
|
43
|
45
|
|
|
2024/10
|
13
|
21
|
17
|
21
|
30
|
47
|
37
|
39
|
23
|
36
|
29
|
44
|
36
|
23
|
26
|
24
|
33
|
54
|
48
|
38
|
24
|
24
|
24
|
64
|
64
|
76
|
48
|
43
|
45
|
58
|
62
|
|
2024/09
|
28
|
22
|
26
|
25
|
21
|
20
|
34
|
26
|
28
|
29
|
31
|
36
|
56
|
34
|
34
|
39
|
40
|
47
|
45
|
27
|
20
|
27
|
27
|
19
|
42
|
44
|
42
|
40
|
28
|
26
|
|
|
2024/08
|
30
|
40
|
37
|
24
|
16
|
22
|
19
|
28
|
38
|
21
|
36
|
55
|
45
|
46
|
49
|
49
|
55
|
36
|
17
|
20
|
28
|
28
|
30
|
46
|
35
|
28
|
30
|
33
|
32
|
40
|
24
|
|
2024/07
|
48
|
28
|
32
|
42
|
39
|
18
|
38
|
38
|
55
|
42
|
52
|
63
|
53
|
49
|
38
|
14
|
23
|
38
|
46
|
18
|
24
|
24
|
19
|
20
|
15
|
21
|
13
|
22
|
22
|
28
|
28
|
|
2024/06
|
23
|
36
|
39
|
30
|
21
|
25
|
24
|
24
|
40
|
42
|
45
|
28
|
22
|
20
|
24
|
26
|
50
|
44
|
22
|
21
|
21
|
18
|
46
|
25
|
23
|
23
|
23
|
21
|
19
|
29
|
|
|
2024/05
|
47
|
53
|
52
|
33
|
20
|
45
|
52
|
50
|
78
|
45
|
93
|
33
|
43
|
71
|
42
|
36
|
42
|
30
|
30
|
44
|
39
|
18
|
28
|
42
|
34
|
26
|
19
|
27
|
35
|
26
|
26
|
|
2024/04
|
64
|
49
|
56
|
59
|
69
|
78
|
95
|
93
|
106
|
87
|
51
|
29
|
16
|
20
|
53
|
82
|
54
|
73
|
78
|
78
|
65
|
40
|
27
|
18
|
32
|
46
|
41
|
52
|
55
|
48
|
|
|
2024/03
|
42
|
66
|
57
|
69
|
68
|
46
|
60
|
52
|
49
|
51
|
56
|
64
|
84
|
110
|
112
|
85
|
89
|
57
|
46
|
26
|
43
|
46
|
45
|
61
|
54
|
60
|
67
|
205
|
88
|
73
|
61
|
|
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