China   2024-11-25   Monday   22.31N, 114.18E

Hong Kong

China
2024-11-25

Air Quality

Excellent

No health implications.

22

PM2.5

36

PM10

40

O3

0.6

CO

5

SO2

26

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

25 Nov

48 Excellent

Tue

26 Nov

45 Excellent

Wed

27 Nov

49 Excellent

Thu

28 Nov

52 Good

Fri

29 Nov

52 Good

Sat

30 Nov

43 Excellent

Monthly Average AQI (Hong Kong)

2019/11 - 2024/10

Air quality in the last 12 months (Hong Kong)

2024/10
29
29
40
36
41
39
39
42
39
32
27
38
25
25
24
23
25
27
37
19
38
26
29
40
45
45
45
22
28
39
41
2024/09
13
17
34
27
22
13
22
15
13
21
27
20
20
20
31
15
20
21
30
22
16
15
12
11
23
27
27
33
23
35
2024/08
24
27
20
21
31
25
30
18
15
17
20
16
18
13
15
13
15
17
16
14
13
24
27
22
14
16
19
32
35
24
15
2024/07
22
23
12
12
12
11
11
16
10
10
10
9
11
12
12
12
12
13
14
15
15
12
12
18
27
24
18
10
11
8
13
2024/06
16
23
22
25
21
23
12
11
12
14
19
23
22
24
18
22
18
19
17
13
18
24
10
12
15
14
13
13
11
18
2024/05
21
26
29
21
15
19
36
32
34
29
29
35
32
23
28
37
35
27
29
16
15
22
11
12
16
17
20
18
28
17
16
2024/04
51
49
23
20
42
27
25
35
18
30
37
35
33
21
29
28
24
19
24
24
16
23
20
34
17
20
30
16
20
25
2024/03
18
22
33
36
36
45
36
34
50
30
25
16
58
59
60
60
49
34
21
50
49
53
42
25
25
52
26
36
47
35
27
2024/02
26
24
23
23
26
23
18
13
17
62
51
34
46
39
34
36
28
34
26
19
21
22
37
35
28
45
37
43
49
2024/01
58
53
46
38
39
58
48
52
48
36
41
53
44
30
34
41
35
26
23
36
35
35
27
37
42
50
54
35
45
52
31
2023/12
50
51
49
57
49
42
27
35
42
34
19
39
32
28
23
21
34
47
37
29
30
53
49
43
43
49
51
55
36
51
64
2023/11
37
31
32
28
25
31
40
38
39
29
28
22
24
36
34
34
52
60
55
50
38
32
52
48
51
44
54
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