China   2025-06-01   Sunday   22.31N, 114.18E

Hong Kong

China
2025-06-01

Air Quality

Excellent

No health implications.

17

PM2.5

24

PM10

103

O3

0.6

CO

6

SO2

9

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

1 Jun

43 Excellent

Mon

2 Jun

51 Good

Tue

3 Jun

49 Excellent

Wed

4 Jun

45 Excellent

Thu

5 Jun

51 Good

Fri

6 Jun

50 Excellent

Sat

7 Jun

36 Excellent

Monthly Average AQI (Hong Kong)

2020/05 - 2025/04

Air quality in the last 12 months (Hong Kong)

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
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
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