Hong Kong - China   2021-10-20   Wednesday   22.38N, 114.19E

New Territories

Hong Kong - China
2021-10-20

Excellent

No health implications.

PM2.5
ug/m3
PM10
ug/m3
SO2   
ug/m3
CO  
ug/m3
O3
ug/m3
NO2
ug/m3

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

New Territories Air quality rank

Monthly Average AQI (New Territories)

2017/01 - 2021/09

Air quality in the last 12 months (New Territories)

2021/09
17
14
13
15
16
20
16
16
31
22
31
48
26
14
49
33
41
30
12
12
18
14
15
18
26
33
37
39
43
55
2021/08
22
24
18
23
29
29
26
24
21
23
20
16
14
14
13
15
16
15
17
13
12
12
10
11
13
13
13
14
17
18
18
2021/07
29
29
24
19
12
13
14
14
14
14
13
13
13
13
15
17
16
14
17
18
16
22
60
47
33
21
42
28
17
16
20
2021/06
17
20
16
19
49
74
32
25
18
11
13
16
20
19
21
27
23
23
27
28
30
23
18
17
18
22
31
23
31
30
2021/05
30
35
30
27
34
42
27
24
20
12
13
15
18
16
16
15
13
16
16
15
15
15
17
16
18
14
12
13
19
22
21
2021/04
17
18
14
40
35
42
36
36
34
39
36
22
18
25
27
28
34
65
65
46
43
40
42
33
28
29
23
32
26
27
2021/03
23
26
28
41
39
32
16
24
32
30
30
29
32
38
29
28
23
24
18
19
36
39
63
69
49
31
28
26
14
17
14
2021/02
36
43
45
41
26
31
36
37
46
19
14
25
26
24
31
29
30
41
39
36
36
27
30
31
25
27
21
25
2021/01
41
38
56
57
61
58
71
45
38
47
51
56
53
54
46
49
86
69
55
43
59
75
55
47
44
66
54
47
33
57
33
2020/12
42
46
48
45
57
64
63
64
60
58
57
60
39
38
23
38
46
45
48
56
62
58
56
49
59
38
68
37
44
49
46
2020/11
48
55
47
54
40
60
60
61
64
65
51
43
44
51
44
46
31
25
18
17
28
29
29
48
43
46
43
40
38
42
2020/10
34
37
35
38
36
34
29
33
43
48
52
46
27
31
35
43
46
39
43
46
45
43
42
59
60
53
44
41
45
52
45
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