Air Quality
Excellent
No health implications.
3
PM2.5
8
PM10
83
O3
0.5
CO
6
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Nov
50
Excellent
Fri
15 Nov
48
Excellent
Sat
16 Nov
80
Good
Sun
17 Nov
65
Good
Mon
18 Nov
64
Good
Tue
19 Nov
60
Good
Wed
20 Nov
59
Good
Air quality in the last 12 months (Kowloon)
|
2024/10
|
28
|
29
|
39
|
36
|
41
|
38
|
39
|
41
|
38
|
31
|
27
|
38
|
25
|
25
|
24
|
23
|
25
|
27
|
37
|
19
|
37
|
25
|
28
|
40
|
45
|
44
|
45
|
22
|
28
|
39
|
41
|
|
2024/09
|
13
|
17
|
34
|
27
|
22
|
13
|
22
|
15
|
12
|
22
|
27
|
20
|
20
|
20
|
31
|
15
|
20
|
21
|
30
|
22
|
15
|
15
|
12
|
11
|
23
|
27
|
26
|
33
|
23
|
35
|
|
|
2024/08
|
24
|
26
|
20
|
21
|
31
|
25
|
30
|
18
|
15
|
17
|
20
|
16
|
18
|
13
|
14
|
13
|
15
|
17
|
16
|
14
|
13
|
24
|
28
|
22
|
14
|
16
|
19
|
32
|
35
|
24
|
15
|
|
2024/07
|
22
|
23
|
12
|
11
|
12
|
11
|
11
|
16
|
11
|
10
|
11
|
9
|
11
|
12
|
12
|
12
|
12
|
13
|
15
|
16
|
15
|
12
|
12
|
19
|
27
|
24
|
18
|
10
|
11
|
8
|
13
|
|
2024/06
|
16
|
23
|
22
|
25
|
21
|
22
|
12
|
12
|
12
|
14
|
19
|
23
|
22
|
24
|
17
|
21
|
18
|
19
|
17
|
13
|
18
|
24
|
10
|
12
|
15
|
14
|
13
|
13
|
11
|
18
|
|
|
2024/05
|
22
|
25
|
29
|
21
|
14
|
19
|
35
|
32
|
34
|
29
|
29
|
34
|
31
|
23
|
28
|
37
|
35
|
27
|
29
|
15
|
15
|
22
|
11
|
11
|
16
|
17
|
20
|
18
|
28
|
17
|
16
|
|
2024/04
|
51
|
49
|
23
|
20
|
42
|
27
|
25
|
35
|
18
|
30
|
37
|
34
|
33
|
21
|
29
|
28
|
24
|
19
|
24
|
23
|
15
|
23
|
20
|
33
|
17
|
20
|
29
|
16
|
20
|
25
|
|
|
2024/03
|
18
|
21
|
32
|
36
|
35
|
45
|
36
|
34
|
50
|
30
|
25
|
16
|
58
|
59
|
60
|
60
|
49
|
34
|
21
|
50
|
49
|
53
|
42
|
25
|
25
|
51
|
27
|
36
|
47
|
35
|
27
|
|
2024/02
|
26
|
24
|
23
|
23
|
26
|
23
|
18
|
14
|
17
|
61
|
50
|
34
|
46
|
39
|
34
|
36
|
28
|
34
|
26
|
19
|
21
|
21
|
37
|
35
|
28
|
44
|
37
|
42
|
48
|
||
|
2024/01
|
59
|
53
|
46
|
38
|
39
|
57
|
48
|
52
|
48
|
36
|
41
|
53
|
44
|
30
|
34
|
41
|
35
|
26
|
23
|
36
|
35
|
35
|
27
|
37
|
42
|
50
|
53
|
34
|
44
|
51
|
31
|
|
2023/12
|
49
|
50
|
49
|
57
|
48
|
42
|
27
|
36
|
42
|
34
|
19
|
39
|
32
|
28
|
23
|
20
|
34
|
47
|
37
|
28
|
30
|
53
|
48
|
43
|
42
|
48
|
49
|
55
|
35
|
50
|
63
|
|
2023/11
|
37
|
31
|
32
|
28
|
25
|
31
|
40
|
38
|
39
|
29
|
28
|
22
|
24
|
36
|
34
|
34
|
52
|
60
|
55
|
50
|
38
|
32
|
51
|
48
|
51
|
44
|
53
|
49
|
51
|
54
|
|
|
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