Air Quality
Excellent
No health implications.
13
PM2.5
25
PM10
106
O3
0.6
CO
7
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Aug
48
Excellent
Sat
2 Aug
46
Excellent
Sun
3 Aug
50
Excellent
Mon
4 Aug
48
Excellent
Tue
5 Aug
48
Excellent
Wed
6 Aug
49
Excellent
Thu
7 Aug
28
Excellent
Air quality in the last 12 months (Coloane Island)
|
2025/06
|
33
|
23
|
24
|
20
|
18
|
20
|
13
|
11
|
13
|
11
|
14
|
16
|
13
|
29
|
33
|
25
|
20
|
13
|
11
|
11
|
12
|
12
|
9
|
10
|
11
|
13
|
10
|
10
|
12
|
8
|
|
|
2025/05
|
37
|
38
|
44
|
27
|
23
|
19
|
18
|
46
|
27
|
38
|
30
|
32
|
40
|
32
|
23
|
17
|
12
|
11
|
13
|
12
|
18
|
16
|
14
|
21
|
44
|
36
|
35
|
30
|
17
|
14
|
31
|
|
2025/04
|
28
|
27
|
33
|
42
|
26
|
53
|
50
|
55
|
47
|
28
|
23
|
23
|
204
|
179
|
119
|
90
|
66
|
53
|
32
|
25
|
24
|
24
|
23
|
20
|
30
|
31
|
40
|
37
|
30
|
49
|
|
|
2025/03
|
38
|
39
|
19
|
21
|
24
|
13
|
21
|
35
|
34
|
38
|
35
|
29
|
29
|
36
|
20
|
11
|
48
|
48
|
48
|
45
|
48
|
45
|
39
|
34
|
35
|
28
|
28
|
30
|
15
|
11
|
13
|
|
2025/02
|
27
|
21
|
13
|
20
|
40
|
44
|
29
|
45
|
51
|
42
|
34
|
28
|
41
|
36
|
28
|
56
|
46
|
61
|
40
|
36
|
36
|
37
|
28
|
24
|
50
|
52
|
36
|
31
|
|||
|
2025/01
|
62
|
66
|
53
|
52
|
59
|
73
|
50
|
58
|
64
|
44
|
36
|
26
|
31
|
30
|
44
|
59
|
53
|
57
|
53
|
51
|
42
|
54
|
40
|
26
|
24
|
22
|
21
|
33
|
57
|
43
|
35
|
|
2024/12
|
45
|
47
|
43
|
37
|
52
|
65
|
67
|
44
|
43
|
39
|
45
|
43
|
45
|
55
|
50
|
48
|
59
|
52
|
55
|
66
|
56
|
58
|
67
|
67
|
65
|
53
|
67
|
61
|
70
|
70
|
70
|
|
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
|
|
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