Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
54
*
PM2.5
76
PM10
137
O3
0.6
CO
6
SO2
13
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
28 Jun
63
Good
Sun
29 Jun
59
Good
Mon
30 Jun
63
Good
Tue
1 Jul
68
Good
Wed
2 Jul
63
Good
Thu
3 Jul
66
Good
Fri
4 Jul
46
Excellent
Air quality in the last 12 months (Changhai)
|
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
|
|||
|
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
|
|
|
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