China   2025-07-15   Tuesday   22.31N, 114.18E

Hong Kong

China
2025-07-15

Air Quality

Excellent

No health implications.

7

PM2.5

21

PM10

34

O3

0.5

CO

7

SO2

15

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

15 Jul

46 Excellent

Wed

16 Jul

51 Good

Thu

17 Jul

84 Good

Fri

18 Jul

81 Good

Sat

19 Jul

82 Good

Sun

20 Jul

20 Excellent

Mon

21 Jul

19 Excellent

Monthly Average AQI (Hong Kong)

2020/07 - 2025/06

Air quality in the last 12 months (Hong Kong)

2025/06
27
23
21
14
19
17
14
10
11
10
13
13
12
26
30
24
18
13
11
11
12
14
11
10
9
12
13
11
13
11
2025/05
34
37
44
23
24
19
17
46
26
31
28
24
32
24
17
12
11
12
13
12
17
16
18
20
37
26
31
28
19
12
23
2025/04
23
19
28
40
30
43
43
50
38
25
21
24
150
154
106
73
58
46
26
23
22
23
21
18
23
15
27
33
25
40
2025/03
32
32
16
22
21
10
18
30
29
36
35
23
28
27
15
11
41
37
38
41
43
39
38
37
36
27
25
29
12
9
10
2025/02
21
17
13
14
36
33
25
40
45
42
29
21
39
39
26
49
40
62
37
35
38
31
20
21
48
50
28
27
2025/01
52
61
50
45
52
57
45
58
57
46
44
28
34
37
51
62
52
53
47
47
35
49
42
20
24
21
18
33
52
37
30
2024/12
36
40
36
28
49
59
56
35
28
28
43
36
38
54
47
43
47
48
52
58
48
52
61
58
56
43
63
59
63
57
61
2024/11
33
29
39
47
44
53
41
39
41
37
39
39
28
13
11
22
17
30
15
8
14
26
29
36
37
18
31
33
32
35
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
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