Air Quality
Excellent
No health implications.
8
PM2.5
16
PM10
40
O3
0.6
CO
5
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Jul
56
Good
Tue
14 Jul
44
Excellent
Wed
15 Jul
42
Excellent
Thu
16 Jul
41
Excellent
Fri
17 Jul
46
Excellent
Sat
18 Jul
44
Excellent
Sun
19 Jul
46
Excellent
Air quality in the last 12 months (New Territories)
|
2026/06
|
39
|
30
|
25
|
22
|
25
|
20
|
20
|
18
|
17
|
25
|
26
|
33
|
20
|
26
|
18
|
14
|
13
|
14
|
18
|
18
|
17
|
18
|
21
|
25
|
26
|
16
|
21
|
17
|
17
|
16
|
|
|
2026/05
|
27
|
34
|
24
|
25
|
29
|
25
|
26
|
27
|
30
|
32
|
35
|
30
|
18
|
16
|
19
|
26
|
27
|
34
|
22
|
18
|
16
|
18
|
22
|
21
|
20
|
21
|
20
|
23
|
31
|
37
|
39
|
|
2026/04
|
36
|
34
|
41
|
29
|
24
|
30
|
32
|
40
|
34
|
25
|
28
|
21
|
20
|
16
|
18
|
19
|
25
|
68
|
57
|
44
|
21
|
24
|
26
|
14
|
24
|
33
|
34
|
27
|
21
|
28
|
|
|
2026/03
|
23
|
24
|
13
|
9
|
17
|
24
|
39
|
48
|
41
|
25
|
28
|
40
|
44
|
38
|
39
|
35
|
30
|
26
|
23
|
34
|
36
|
33
|
31
|
26
|
30
|
29
|
39
|
30
|
33
|
25
|
30
|
|
2026/02
|
22
|
33
|
39
|
45
|
29
|
19
|
33
|
26
|
37
|
31
|
27
|
41
|
38
|
24
|
23
|
22
|
31
|
33
|
40
|
44
|
37
|
32
|
43
|
60
|
39
|
21
|
28
|
14
|
|||
|
2026/01
|
40
|
22
|
28
|
41
|
46
|
37
|
42
|
30
|
36
|
45
|
36
|
60
|
57
|
30
|
45
|
37
|
33
|
35
|
40
|
32
|
43
|
42
|
42
|
57
|
23
|
18
|
51
|
42
|
30
|
32
|
30
|
|
2025/12
|
35
|
27
|
45
|
65
|
50
|
42
|
47
|
46
|
43
|
46
|
43
|
42
|
43
|
37
|
38
|
49
|
45
|
42
|
39
|
20
|
37
|
46
|
29
|
32
|
23
|
31
|
42
|
35
|
31
|
52
|
29
|
|
2025/11
|
30
|
37
|
40
|
26
|
16
|
23
|
25
|
27
|
29
|
20
|
21
|
25
|
16
|
24
|
40
|
39
|
36
|
43
|
24
|
31
|
33
|
40
|
57
|
51
|
45
|
57
|
49
|
55
|
56
|
52
|
|
|
2025/10
|
14
|
11
|
10
|
20
|
22
|
15
|
16
|
19
|
25
|
22
|
19
|
13
|
11
|
10
|
13
|
19
|
28
|
26
|
25
|
22
|
12
|
11
|
22
|
31
|
33
|
39
|
52
|
48
|
32
|
35
|
34
|
|
2025/09
|
9
|
10
|
11
|
11
|
9
|
15
|
14
|
17
|
18
|
14
|
11
|
11
|
9
|
9
|
10
|
16
|
18
|
16
|
14
|
14
|
10
|
21
|
20
|
19
|
20
|
21
|
18
|
22
|
14
|
17
|
|
|
2025/08
|
23
|
26
|
35
|
30
|
17
|
17
|
20
|
27
|
21
|
10
|
13
|
16
|
20
|
17
|
14
|
18
|
17
|
12
|
15
|
16
|
14
|
14
|
19
|
20
|
14
|
19
|
13
|
24
|
18
|
18
|
10
|
|
2025/07
|
12
|
13
|
18
|
19
|
22
|
17
|
33
|
14
|
20
|
17
|
17
|
21
|
30
|
24
|
22
|
24
|
26
|
26
|
29
|
14
|
17
|
20
|
15
|
26
|
33
|
38
|
27
|
29
|
24
|
32
|
23
|
|
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