Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
70
*
PM2.5
93
PM10
65
O3
1.1
CO
13
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
28 Feb
68
Good
Sun
1 Mar
62
Good
Mon
2 Mar
75
Good
Tue
3 Mar
107
Light
Wed
4 Mar
62
Good
Thu
5 Mar
65
Good
Fri
6 Mar
40
Excellent
Changhai Air quality rank
Air quality in the last 12 months (Changhai)
|
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
|
|
|
2025/03
|
57
|
72
|
42
|
48
|
46
|
60
|
63
|
76
|
109
|
120
|
70
|
66
|
65
|
54
|
62
|
43
|
47
|
43
|
48
|
79
|
57
|
62
|
84
|
100
|
126
|
91
|
66
|
30
|
32
|
31
|
59
|
|
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
|
|||
|
1
|
2
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3
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4
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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