Air Quality
Excellent
No health implications.
4
PM2.5
8
PM10
21
O3
0.6
CO
2
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Nov
102
Light
Mon
18 Nov
49
Excellent
Tue
19 Nov
46
Excellent
Wed
20 Nov
48
Excellent
Thu
21 Nov
50
Excellent
Fri
22 Nov
46
Excellent
Sat
23 Nov
46
Excellent
Air quality in the last 12 months (Coloane Island)
|
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
|
|
2023/11
|
40
|
35
|
37
|
34
|
32
|
45
|
44
|
40
|
40
|
39
|
30
|
27
|
29
|
42
|
42
|
37
|
55
|
63
|
59
|
59
|
49
|
37
|
64
|
55
|
54
|
56
|
69
|
56
|
52
|
69
|
|
|
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