Air Quality
Excellent
No health implications.
14
PM2.5
31
PM10
127
O3
0.5
CO
2
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Apr
83
Good
Wed
30 Apr
78
Good
Thu
1 May
65
Good
Fri
2 May
69
Good
Sat
3 May
60
Good
Sun
4 May
51
Good
Mon
5 May
39
Excellent
Air quality in the last 12 months (Haicang)
|
2025/02
|
43
|
18
|
16
|
42
|
49
|
39
|
14
|
42
|
34
|
37
|
40
|
49
|
41
|
27
|
37
|
52
|
49
|
50
|
28
|
29
|
20
|
23
|
14
|
36
|
45
|
65
|
72
|
84
|
|||
|
2025/01
|
58
|
63
|
52
|
37
|
47
|
58
|
60
|
54
|
55
|
54
|
36
|
51
|
53
|
53
|
77
|
74
|
56
|
49
|
53
|
47
|
56
|
53
|
52
|
26
|
25
|
30
|
19
|
36
|
75
|
36
|
39
|
|
2024/12
|
51
|
58
|
53
|
34
|
42
|
39
|
31
|
37
|
31
|
29
|
38
|
22
|
30
|
36
|
59
|
50
|
50
|
44
|
48
|
30
|
45
|
61
|
35
|
28
|
38
|
53
|
57
|
67
|
48
|
52
|
58
|
|
2024/11
|
22
|
18
|
35
|
41
|
43
|
43
|
30
|
27
|
41
|
39
|
30
|
21
|
20
|
27
|
32
|
23
|
25
|
22
|
12
|
10
|
14
|
22
|
30
|
25
|
25
|
18
|
30
|
32
|
35
|
44
|
|
|
2024/10
|
14
|
8
|
12
|
13
|
17
|
21
|
24
|
15
|
32
|
44
|
44
|
39
|
31
|
33
|
34
|
28
|
35
|
40
|
34
|
19
|
23
|
29
|
39
|
33
|
22
|
31
|
36
|
26
|
34
|
36
|
16
|
|
2024/09
|
28
|
45
|
30
|
24
|
21
|
19
|
16
|
15
|
17
|
37
|
45
|
46
|
18
|
23
|
23
|
25
|
21
|
25
|
26
|
16
|
19
|
9
|
11
|
14
|
23
|
26
|
17
|
18
|
19
|
15
|
|
|
2024/08
|
25
|
34
|
39
|
33
|
40
|
27
|
27
|
35
|
34
|
44
|
46
|
39
|
36
|
28
|
24
|
9
|
14
|
15
|
17
|
10
|
14
|
24
|
30
|
34
|
35
|
40
|
42
|
35
|
38
|
22
|
30
|
|
2024/07
|
20
|
17
|
15
|
17
|
16
|
13
|
13
|
14
|
14
|
14
|
21
|
23
|
18
|
18
|
20
|
20
|
17
|
13
|
18
|
21
|
20
|
28
|
28
|
24
|
13
|
10
|
19
|
23
|
26
|
21
|
11
|
|
2024/06
|
9
|
7
|
21
|
28
|
34
|
21
|
23
|
23
|
18
|
16
|
15
|
27
|
27
|
24
|
20
|
18
|
17
|
16
|
15
|
15
|
21
|
24
|
17
|
12
|
15
|
15
|
19
|
15
|
12
|
17
|
|
|
2024/05
|
28
|
19
|
26
|
34
|
26
|
48
|
43
|
47
|
52
|
33
|
40
|
38
|
25
|
28
|
45
|
52
|
41
|
51
|
37
|
22
|
13
|
11
|
22
|
29
|
43
|
26
|
13
|
26
|
28
|
43
|
44
|
|
2024/04
|
35
|
51
|
36
|
42
|
26
|
33
|
19
|
37
|
21
|
41
|
45
|
47
|
57
|
38
|
52
|
42
|
36
|
42
|
41
|
51
|
29
|
34
|
39
|
27
|
43
|
28
|
21
|
17
|
28
|
24
|
|
|
2024/03
|
12
|
25
|
42
|
51
|
56
|
32
|
36
|
62
|
63
|
63
|
51
|
34
|
61
|
63
|
54
|
63
|
62
|
45
|
55
|
55
|
53
|
68
|
68
|
30
|
30
|
46
|
41
|
50
|
49
|
51
|
37
|
|
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