Hong Kong - China   2025-04-20   Sunday   22.31N, 114.19E

Kowloon

Hong Kong - China
2025-04-20

Air Quality

Excellent

No health implications.

12

PM2.5

19

PM10

44

O3

0.5

CO

7

SO2

11

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

20 Apr

44 Excellent

Mon

21 Apr

50 Excellent

Tue

22 Apr

48 Excellent

Wed

23 Apr

48 Excellent

Thu

24 Apr

49 Excellent

Fri

25 Apr

54 Good

Sat

26 Apr

39 Excellent

Monthly Average AQI (Kowloon)

2020/03 - 2025/02

Air quality in the last 12 months (Kowloon)

2025/02
21
17
13
13
36
33
25
40
45
42
29
20
39
40
25
48
40
62
37
35
38
31
19
21
48
49
28
27
2025/01
52
61
50
45
51
56
45
58
56
46
44
28
34
37
50
62
52
53
46
46
34
48
41
20
24
21
18
33
52
37
30
2024/12
35
40
36
28
49
58
55
35
28
28
43
35
37
54
47
43
47
47
52
58
47
52
61
58
56
42
62
59
63
56
61
2024/11
33
28
39
47
43
53
41
38
41
36
38
39
28
13
12
22
17
30
15
8
14
25
29
36
37
18
30
33
31
35
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
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