No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Everyone can continue their outdoor activities normally.
Today
21 May
Fri
22 May
Sat
23 May
Sun
24 May
Mon
25 May
Tue
26 May
Wed
27 May
九龙
103
PM2.5
9
PM10
32
O3
0.1
CO
5
SO2
8
NO2
吴航
117
PM2.5
11
PM10
35
O3
0.5
CO
6
SO2
16
NO2
|
2026/04
|
32
|
34
|
26
|
27
|
34
|
41
|
36
|
38
|
38
|
46
|
37
|
42
|
38
|
48
|
30
|
35
|
36
|
34
|
40
|
43
|
31
|
31
|
24
|
25
|
39
|
43
|
46
|
55
|
31
|
24
|
|
|
2026/03
|
23
|
24
|
25
|
28
|
18
|
32
|
43
|
41
|
37
|
38
|
37
|
39
|
42
|
36
|
34
|
35
|
41
|
51
|
25
|
41
|
31
|
41
|
36
|
25
|
41
|
32
|
33
|
32
|
43
|
50
|
41
|
|
2026/02
|
18
|
39
|
53
|
41
|
45
|
50
|
15
|
32
|
33
|
34
|
39
|
50
|
47
|
51
|
49
|
35
|
40
|
42
|
46
|
48
|
47
|
51
|
86
|
62
|
21
|
25
|
20
|
17
|
|||
|
2026/01
|
30
|
21
|
31
|
35
|
39
|
25
|
43
|
44
|
53
|
47
|
59
|
60
|
51
|
48
|
45
|
49
|
50
|
34
|
38
|
21
|
26
|
41
|
42
|
40
|
40
|
36
|
24
|
25
|
40
|
27
|
15
|
|
2025/12
|
38
|
47
|
54
|
41
|
34
|
31
|
37
|
42
|
51
|
36
|
37
|
56
|
41
|
29
|
44
|
39
|
42
|
71
|
56
|
46
|
70
|
30
|
36
|
41
|
20
|
34
|
29
|
27
|
29
|
39
|
39
|
|
2025/11
|
23
|
44
|
49
|
13
|
14
|
24
|
36
|
34
|
26
|
34
|
29
|
10
|
12
|
30
|
45
|
37
|
33
|
20
|
23
|
32
|
34
|
42
|
43
|
42
|
47
|
83
|
60
|
86
|
73
|
53
|
|
|
2025/10
|
23
|
17
|
21
|
24
|
30
|
33
|
21
|
27
|
27
|
28
|
29
|
28
|
35
|
30
|
19
|
25
|
32
|
26
|
18
|
16
|
12
|
14
|
24
|
25
|
28
|
41
|
37
|
23
|
25
|
32
|
25
|
|
2025/09
|
27
|
26
|
26
|
33
|
25
|
14
|
19
|
19
|
20
|
29
|
23
|
32
|
40
|
32
|
21
|
15
|
14
|
14
|
14
|
18
|
18
|
21
|
19
|
23
|
18
|
16
|
18
|
20
|
25
|
31
|
|
|
2025/08
|
32
|
26
|
26
|
21
|
18
|
29
|
39
|
45
|
41
|
28
|
29
|
25
|
20
|
21
|
13
|
14
|
14
|
18
|
29
|
25
|
24
|
25
|
32
|
27
|
13
|
14
|
13
|
14
|
14
|
13
|
20
|
|
2025/07
|
17
|
17
|
23
|
22
|
19
|
16
|
17
|
29
|
22
|
17
|
13
|
20
|
31
|
24
|
33
|
35
|
41
|
20
|
18
|
17
|
9
|
14
|
17
|
16
|
20
|
16
|
15
|
24
|
20
|
27
|
36
|
|
2025/06
|
41
|
43
|
13
|
26
|
30
|
32
|
27
|
34
|
25
|
20
|
22
|
14
|
15
|
21
|
21
|
21
|
33
|
31
|
20
|
21
|
22
|
26
|
32
|
34
|
30
|
26
|
27
|
27
|
26
|
17
|
|
|
2025/05
|
46
|
48
|
58
|
47
|
43
|
47
|
56
|
49
|
38
|
29
|
31
|
34
|
36
|
32
|
38
|
37
|
33
|
27
|
28
|
39
|
30
|
27
|
46
|
13
|
50
|
42
|
41
|
17
|
13
|
29
|
40
|
|
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
|
*: primary pollution