Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
44
*
PM2.5
69
PM10
132
O3
0.6
CO
7
SO2
39
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
22 Dec
88
Good
Mon
23 Dec
49
Excellent
Tue
24 Dec
52
Good
Wed
25 Dec
87
Good
Thu
26 Dec
53
Good
Fri
27 Dec
52
Good
Sat
28 Dec
49
Excellent
Coloane Island Air quality rank
Air quality in the last 12 months (Coloane Island)
|
2024/11
|
43
|
31
|
47
|
54
|
48
|
58
|
43
|
45
|
51
|
45
|
47
|
50
|
39
|
17
|
15
|
23
|
19
|
30
|
19
|
10
|
19
|
32
|
37
|
44
|
44
|
21
|
37
|
41
|
41
|
48
|
|
|
2024/10
|
33
|
33
|
44
|
43
|
48
|
43
|
45
|
50
|
46
|
36
|
32
|
40
|
32
|
28
|
28
|
26
|
29
|
28
|
42
|
21
|
39
|
32
|
31
|
42
|
47
|
48
|
49
|
26
|
35
|
42
|
42
|
|
2024/09
|
12
|
15
|
37
|
26
|
25
|
19
|
29
|
24
|
10
|
20
|
28
|
14
|
19
|
21
|
30
|
22
|
23
|
20
|
28
|
25
|
14
|
15
|
16
|
12
|
12
|
16
|
19
|
28
|
26
|
37
|
|
|
2024/08
|
27
|
24
|
21
|
18
|
30
|
30
|
25
|
16
|
16
|
19
|
23
|
18
|
16
|
16
|
14
|
12
|
14
|
16
|
16
|
16
|
14
|
16
|
19
|
17
|
13
|
12
|
18
|
32
|
39
|
26
|
12
|
|
2024/07
|
23
|
25
|
12
|
13
|
13
|
10
|
8
|
12
|
10
|
8
|
8
|
10
|
10
|
14
|
13
|
13
|
13
|
14
|
12
|
18
|
15
|
13
|
13
|
19
|
22
|
22
|
26
|
17
|
11
|
8
|
16
|
|
2024/06
|
16
|
24
|
20
|
28
|
30
|
32
|
16
|
14
|
17
|
12
|
21
|
23
|
25
|
30
|
30
|
27
|
20
|
24
|
21
|
14
|
15
|
25
|
10
|
14
|
16
|
17
|
15
|
12
|
11
|
20
|
|
|
2024/05
|
25
|
35
|
34
|
25
|
17
|
22
|
35
|
32
|
42
|
39
|
36
|
34
|
33
|
25
|
33
|
41
|
43
|
33
|
35
|
14
|
27
|
32
|
13
|
11
|
17
|
16
|
21
|
21
|
30
|
23
|
17
|
|
2024/04
|
55
|
49
|
27
|
27
|
39
|
39
|
23
|
40
|
22
|
32
|
44
|
39
|
31
|
21
|
35
|
24
|
23
|
17
|
28
|
27
|
18
|
25
|
27
|
35
|
15
|
19
|
30
|
25
|
21
|
25
|
|
|
2024/03
|
16
|
27
|
47
|
31
|
33
|
45
|
45
|
41
|
54
|
35
|
25
|
19
|
56
|
60
|
62
|
57
|
49
|
38
|
27
|
53
|
55
|
55
|
39
|
30
|
27
|
66
|
29
|
44
|
48
|
33
|
35
|
|
2024/02
|
35
|
22
|
24
|
29
|
31
|
26
|
22
|
9
|
18
|
68
|
58
|
43
|
52
|
48
|
35
|
37
|
30
|
40
|
27
|
21
|
22
|
29
|
41
|
39
|
31
|
43
|
39
|
55
|
57
|
||
|
2024/01
|
59
|
58
|
47
|
39
|
46
|
68
|
54
|
55
|
51
|
42
|
47
|
57
|
49
|
35
|
37
|
41
|
39
|
39
|
32
|
39
|
38
|
40
|
27
|
39
|
46
|
56
|
61
|
41
|
61
|
62
|
29
|
|
2023/12
|
58
|
65
|
56
|
62
|
48
|
46
|
34
|
47
|
52
|
40
|
21
|
56
|
31
|
43
|
28
|
27
|
39
|
52
|
35
|
36
|
38
|
57
|
54
|
51
|
48
|
58
|
63
|
57
|
45
|
60
|
68
|
|
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