Air Quality
Excellent
No health implications.
21
PM2.5
32
PM10
93
O3
0.5
CO
7
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Oct
54
Good
Sat
18 Oct
103
Light
Sun
19 Oct
87
Good
Mon
20 Oct
47
Excellent
Tue
21 Oct
47
Excellent
Wed
22 Oct
46
Excellent
Thu
23 Oct
33
Excellent
Air quality in the last 12 months (Macao)
|
2025/08
|
21
|
29
|
41
|
43
|
26
|
19
|
26
|
28
|
22
|
18
|
15
|
18
|
27
|
25
|
12
|
22
|
16
|
13
|
19
|
16
|
14
|
10
|
26
|
19
|
14
|
19
|
19
|
33
|
16
|
17
|
12
|
|
2025/07
|
10
|
14
|
20
|
21
|
27
|
18
|
31
|
12
|
22
|
23
|
16
|
19
|
26
|
22
|
21
|
23
|
27
|
29
|
32
|
14
|
17
|
27
|
16
|
30
|
23
|
37
|
28
|
27
|
19
|
30
|
21
|
|
2025/06
|
33
|
24
|
27
|
22
|
18
|
21
|
16
|
13
|
15
|
13
|
14
|
14
|
13
|
25
|
31
|
24
|
19
|
13
|
11
|
11
|
12
|
12
|
10
|
11
|
13
|
12
|
9
|
11
|
12
|
8
|
|
|
2025/05
|
37
|
38
|
41
|
28
|
22
|
21
|
17
|
43
|
29
|
37
|
30
|
35
|
39
|
33
|
26
|
16
|
12
|
12
|
14
|
13
|
21
|
19
|
16
|
21
|
44
|
38
|
37
|
29
|
20
|
13
|
27
|
|
2025/04
|
29
|
30
|
36
|
43
|
26
|
54
|
54
|
56
|
45
|
30
|
25
|
28
|
196
|
179
|
123
|
91
|
67
|
50
|
30
|
25
|
25
|
25
|
24
|
22
|
43
|
40
|
37
|
39
|
32
|
49
|
|
|
2025/03
|
36
|
39
|
21
|
22
|
25
|
16
|
21
|
34
|
39
|
40
|
36
|
29
|
31
|
32
|
20
|
12
|
48
|
50
|
53
|
51
|
50
|
47
|
49
|
43
|
40
|
29
|
27
|
29
|
15
|
11
|
13
|
|
2025/02
|
34
|
24
|
14
|
22
|
43
|
51
|
30
|
45
|
52
|
43
|
35
|
31
|
48
|
36
|
29
|
58
|
50
|
59
|
42
|
35
|
38
|
37
|
28
|
24
|
49
|
56
|
40
|
32
|
|||
|
2025/01
|
68
|
66
|
56
|
59
|
62
|
72
|
56
|
58
|
67
|
52
|
44
|
38
|
47
|
43
|
57
|
63
|
54
|
60
|
61
|
60
|
45
|
54
|
42
|
29
|
25
|
23
|
22
|
37
|
78
|
43
|
34
|
|
2024/12
|
53
|
52
|
48
|
40
|
53
|
65
|
63
|
48
|
46
|
49
|
47
|
44
|
46
|
54
|
51
|
50
|
65
|
57
|
56
|
67
|
59
|
59
|
67
|
66
|
66
|
56
|
70
|
61
|
69
|
75
|
69
|
|
2024/11
|
45
|
32
|
48
|
53
|
49
|
56
|
49
|
50
|
53
|
50
|
50
|
53
|
45
|
22
|
13
|
24
|
21
|
31
|
19
|
11
|
19
|
32
|
40
|
46
|
45
|
25
|
39
|
43
|
43
|
53
|
|
|
2024/10
|
35
|
37
|
48
|
46
|
51
|
46
|
46
|
53
|
49
|
39
|
35
|
41
|
34
|
27
|
29
|
27
|
28
|
27
|
43
|
23
|
40
|
33
|
34
|
43
|
47
|
49
|
49
|
28
|
34
|
42
|
44
|
|
2024/09
|
13
|
17
|
37
|
30
|
25
|
16
|
28
|
23
|
11
|
22
|
28
|
20
|
20
|
22
|
30
|
24
|
24
|
21
|
27
|
25
|
15
|
15
|
17
|
15
|
14
|
19
|
21
|
31
|
24
|
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