Hong Kong - China   2025-04-21   Monday   22.38N, 114.19E

New Territories

Hong Kong - China
2025-04-21

Air Quality

Excellent

No health implications.

11

PM2.5

15

PM10

48

O3

0.5

CO

7

SO2

3

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

21 Apr

47 Excellent

Tue

22 Apr

45 Excellent

Wed

23 Apr

48 Excellent

Thu

24 Apr

52 Good

Fri

25 Apr

53 Good

Sat

26 Apr

53 Good

Sun

27 Apr

15 Excellent

Monthly Average AQI (New Territories)

2020/03 - 2025/02

Air quality in the last 12 months (New Territories)

2025/02
20
17
13
14
36
33
25
40
43
43
29
20
39
40
26
48
39
61
37
35
39
32
18
21
49
48
28
26
2025/01
52
60
50
46
52
56
46
59
57
46
45
29
36
39
51
63
52
53
47
47
35
49
41
20
24
21
18
35
55
37
29
2024/12
37
40
37
30
50
59
54
33
27
29
44
34
37
55
47
43
48
47
52
58
47
53
60
58
55
41
62
59
63
56
60
2024/11
33
29
40
47
43
53
41
39
41
38
39
40
29
13
12
22
18
30
15
8
14
25
29
36
36
18
31
33
32
36
2024/10
28
28
39
35
40
38
39
42
39
32
28
39
26
26
25
24
26
27
37
20
38
25
29
41
45
45
45
21
28
39
41
2024/09
13
18
34
28
22
13
21
14
11
21
27
23
21
21
32
15
21
21
31
22
15
15
12
10
22
29
28
34
24
35
2024/08
23
26
20
22
31
26
32
19
16
17
20
17
19
15
15
14
16
17
17
14
13
26
29
22
15
18
20
33
35
25
16
2024/07
22
22
12
12
12
11
11
17
11
10
11
10
12
13
13
12
13
13
14
16
16
12
13
19
28
25
17
10
11
9
13
2024/06
15
24
21
24
21
21
12
11
12
13
19
23
23
24
17
21
18
19
17
13
18
23
10
12
14
14
12
13
11
18
2024/05
20
25
29
20
14
20
36
32
33
29
30
35
32
23
29
38
35
28
30
15
14
21
12
11
15
18
20
18
28
17
17
2024/04
51
49
23
20
42
26
26
34
18
30
38
36
34
22
30
29
24
21
24
23
15
24
20
34
17
21
30
16
20
25
2024/03
19
23
32
36
36
45
35
33
50
28
25
16
59
59
60
60
49
35
21
51
50
53
43
26
27
50
27
37
48
36
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