Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
26
PM2.5
54
*
PM10
76
O3
0.6
CO
10
SO2
20
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
19 Mar
79
Good
Fri
20 Mar
86
Good
Sat
21 Mar
83
Good
Sun
22 Mar
75
Good
Mon
23 Mar
72
Good
Tue
24 Mar
69
Good
Wed
25 Mar
28
Excellent
Changhai Air quality rank
Air quality in the last 12 months (Changhai)
|
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
|
|
|
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
|
|
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