Air Quality
Excellent
No health implications.
12
PM2.5
23
PM10
65
O3
0.3
CO
2
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 May
55
Good
Sat
4 May
48
Excellent
Sun
5 May
38
Excellent
Mon
6 May
49
Excellent
Tue
7 May
45
Excellent
Wed
8 May
52
Good
Thu
9 May
49
Excellent
Air quality in the last 12 months (Haicang)
|
2024/02
|
38
|
31
|
25
|
22
|
30
|
25
|
19
|
23
|
44
|
132
|
52
|
43
|
52
|
54
|
47
|
31
|
33
|
56
|
40
|
29
|
18
|
23
|
22
|
26
|
46
|
38
|
30
|
39
|
60
|
||
|
2024/01
|
68
|
60
|
53
|
41
|
62
|
66
|
71
|
65
|
60
|
53
|
75
|
90
|
60
|
42
|
76
|
51
|
47
|
56
|
57
|
45
|
28
|
25
|
19
|
28
|
45
|
59
|
71
|
84
|
67
|
48
|
56
|
|
2023/12
|
46
|
40
|
31
|
29
|
38
|
39
|
43
|
56
|
63
|
68
|
62
|
46
|
32
|
47
|
57
|
23
|
25
|
25
|
36
|
13
|
22
|
51
|
30
|
37
|
51
|
55
|
60
|
55
|
47
|
58
|
74
|
|
2023/11
|
30
|
32
|
43
|
51
|
60
|
55
|
41
|
43
|
53
|
45
|
18
|
20
|
31
|
30
|
27
|
30
|
52
|
59
|
55
|
51
|
44
|
41
|
50
|
62
|
41
|
30
|
53
|
57
|
59
|
61
|
|
|
2023/10
|
34
|
37
|
38
|
54
|
32
|
22
|
23
|
20
|
24
|
21
|
29
|
29
|
30
|
34
|
48
|
48
|
51
|
51
|
77
|
56
|
26
|
25
|
26
|
31
|
42
|
31
|
34
|
26
|
35
|
43
|
33
|
|
2023/09
|
20
|
19
|
11
|
10
|
13
|
15
|
20
|
22
|
28
|
30
|
30
|
28
|
32
|
26
|
21
|
38
|
49
|
22
|
26
|
32
|
35
|
30
|
23
|
24
|
27
|
28
|
32
|
31
|
26
|
28
|
|
|
2023/08
|
29
|
35
|
34
|
39
|
36
|
40
|
44
|
38
|
34
|
27
|
26
|
14
|
25
|
29
|
30
|
36
|
25
|
30
|
25
|
21
|
30
|
22
|
29
|
27
|
28
|
34
|
30
|
27
|
29
|
19
|
20
|
|
2023/07
|
11
|
13
|
17
|
17
|
22
|
27
|
27
|
36
|
41
|
34
|
21
|
16
|
21
|
37
|
34
|
23
|
19
|
15
|
14
|
24
|
22
|
20
|
16
|
21
|
28
|
26
|
21
|
15
|
18
|
17
|
30
|
|
2023/06
|
41
|
38
|
42
|
39
|
29
|
23
|
30
|
33
|
23
|
12
|
29
|
29
|
34
|
46
|
32
|
22
|
17
|
27
|
22
|
25
|
28
|
32
|
14
|
14
|
14
|
17
|
20
|
26
|
14
|
12
|
|
|
2023/05
|
58
|
51
|
47
|
25
|
22
|
26
|
22
|
26
|
36
|
39
|
47
|
52
|
45
|
55
|
64
|
47
|
23
|
36
|
45
|
31
|
26
|
25
|
52
|
60
|
64
|
52
|
47
|
32
|
32
|
31
|
31
|
|
2023/04
|
31
|
41
|
41
|
46
|
34
|
42
|
22
|
55
|
35
|
47
|
50
|
58
|
77
|
71
|
52
|
44
|
53
|
28
|
31
|
43
|
30
|
48
|
63
|
59
|
45
|
30
|
38
|
58
|
52
|
36
|
|
|
2023/03
|
55
|
67
|
56
|
66
|
56
|
61
|
58
|
61
|
66
|
60
|
57
|
66
|
60
|
52
|
59
|
58
|
41
|
46
|
35
|
51
|
55
|
38
|
36
|
46
|
27
|
24
|
34
|
42
|
45
|
52
|
41
|
|
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