Air Quality
Excellent
No health implications.
4
PM2.5
8
PM10
42
O3
0.6
CO
2
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 Apr
47
Excellent
Sun
5 Apr
52
Good
Mon
6 Apr
37
Excellent
Tue
7 Apr
51
Good
Wed
8 Apr
53
Good
Thu
9 Apr
41
Excellent
Fri
10 Apr
45
Excellent
Air quality in the last 12 months (Haicang)
|
2026/02
|
22
|
42
|
43
|
47
|
44
|
49
|
25
|
36
|
34
|
39
|
39
|
51
|
48
|
41
|
33
|
42
|
47
|
34
|
39
|
47
|
45
|
61
|
49
|
62
|
32
|
20
|
45
|
9
|
|||
|
2026/01
|
27
|
29
|
36
|
40
|
51
|
29
|
40
|
49
|
49
|
61
|
61
|
56
|
60
|
53
|
62
|
64
|
67
|
52
|
48
|
36
|
35
|
37
|
28
|
35
|
32
|
47
|
36
|
33
|
32
|
44
|
25
|
|
2025/12
|
53
|
43
|
46
|
40
|
33
|
36
|
43
|
49
|
43
|
36
|
47
|
49
|
39
|
27
|
45
|
49
|
49
|
49
|
67
|
60
|
59
|
28
|
32
|
48
|
29
|
28
|
25
|
34
|
39
|
49
|
39
|
|
2025/11
|
26
|
42
|
38
|
10
|
18
|
22
|
31
|
31
|
40
|
25
|
17
|
11
|
13
|
27
|
42
|
39
|
40
|
34
|
20
|
31
|
40
|
44
|
46
|
49
|
39
|
75
|
54
|
76
|
75
|
62
|
|
|
2025/10
|
31
|
23
|
29
|
31
|
26
|
29
|
31
|
31
|
29
|
27
|
29
|
33
|
25
|
38
|
23
|
32
|
32
|
29
|
20
|
18
|
11
|
12
|
19
|
21
|
23
|
38
|
42
|
25
|
23
|
33
|
41
|
|
2025/09
|
31
|
35
|
30
|
32
|
26
|
17
|
11
|
10
|
12
|
22
|
23
|
30
|
27
|
25
|
27
|
30
|
19
|
21
|
15
|
11
|
19
|
14
|
19
|
10
|
19
|
19
|
20
|
24
|
36
|
40
|
|
|
2025/08
|
27
|
27
|
16
|
13
|
14
|
25
|
34
|
39
|
18
|
12
|
13
|
18
|
22
|
19
|
20
|
21
|
31
|
28
|
17
|
20
|
26
|
25
|
33
|
26
|
25
|
21
|
21
|
25
|
16
|
20
|
23
|
|
2025/07
|
26
|
26
|
29
|
30
|
10
|
22
|
33
|
39
|
36
|
10
|
9
|
22
|
36
|
28
|
31
|
37
|
38
|
29
|
19
|
20
|
14
|
16
|
15
|
18
|
24
|
27
|
26
|
17
|
22
|
23
|
21
|
|
2025/06
|
41
|
23
|
13
|
25
|
31
|
33
|
23
|
28
|
17
|
26
|
26
|
29
|
17
|
18
|
21
|
21
|
18
|
24
|
13
|
12
|
11
|
21
|
27
|
24
|
15
|
9
|
17
|
18
|
15
|
22
|
|
|
2025/05
|
56
|
51
|
46
|
43
|
37
|
42
|
36
|
52
|
35
|
31
|
28
|
38
|
36
|
42
|
27
|
17
|
18
|
21
|
25
|
32
|
25
|
34
|
27
|
23
|
48
|
34
|
31
|
26
|
11
|
27
|
43
|
|
2025/04
|
19
|
40
|
49
|
58
|
57
|
54
|
57
|
62
|
63
|
41
|
38
|
25
|
113
|
92
|
87
|
72
|
63
|
57
|
47
|
39
|
31
|
33
|
34
|
31
|
17
|
12
|
29
|
42
|
35
|
49
|
|
|
2025/03
|
62
|
22
|
19
|
22
|
14
|
13
|
25
|
37
|
36
|
40
|
44
|
38
|
33
|
29
|
35
|
13
|
48
|
48
|
40
|
46
|
46
|
50
|
58
|
62
|
67
|
48
|
40
|
50
|
23
|
8
|
11
|
|
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