Air Quality
Excellent
No health implications.
4
PM2.5
15
PM10
23
O3
0.4
CO
3
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Jul
29
Excellent
Sun
28 Jul
28
Excellent
Mon
29 Jul
30
Excellent
Tue
30 Jul
37
Excellent
Wed
31 Jul
37
Excellent
Thu
1 Aug
34
Excellent
Fri
2 Aug
35
Excellent
Air quality in the last 12 months (Tongan)
|
2024/06
|
15
|
14
|
16
|
17
|
18
|
30
|
21
|
30
|
21
|
11
|
14
|
21
|
17
|
18
|
18
|
18
|
12
|
15
|
12
|
16
|
21
|
23
|
18
|
11
|
18
|
15
|
12
|
11
|
13
|
14
|
|
|
2024/05
|
30
|
19
|
32
|
32
|
35
|
37
|
49
|
39
|
41
|
29
|
36
|
34
|
18
|
24
|
36
|
41
|
37
|
44
|
23
|
15
|
14
|
16
|
24
|
31
|
38
|
26
|
14
|
18
|
23
|
22
|
16
|
|
2024/04
|
22
|
46
|
41
|
41
|
33
|
33
|
20
|
46
|
16
|
26
|
34
|
53
|
72
|
51
|
47
|
47
|
38
|
36
|
34
|
45
|
18
|
25
|
21
|
21
|
41
|
25
|
23
|
18
|
26
|
27
|
|
|
2024/03
|
17
|
22
|
36
|
41
|
57
|
42
|
27
|
56
|
54
|
55
|
31
|
34
|
60
|
48
|
42
|
77
|
77
|
38
|
54
|
45
|
41
|
54
|
55
|
38
|
32
|
41
|
35
|
42
|
39
|
49
|
41
|
|
2024/02
|
48
|
35
|
26
|
29
|
32
|
23
|
20
|
22
|
40
|
171
|
52
|
40
|
43
|
49
|
43
|
31
|
41
|
79
|
45
|
28
|
25
|
26
|
21
|
30
|
55
|
35
|
30
|
39
|
71
|
||
|
2024/01
|
60
|
57
|
42
|
34
|
44
|
63
|
67
|
54
|
67
|
45
|
69
|
83
|
46
|
32
|
60
|
50
|
32
|
54
|
66
|
49
|
27
|
20
|
17
|
26
|
39
|
59
|
73
|
75
|
41
|
35
|
54
|
|
2023/12
|
38
|
31
|
26
|
25
|
36
|
29
|
38
|
52
|
53
|
62
|
70
|
36
|
20
|
38
|
51
|
20
|
18
|
19
|
25
|
9
|
16
|
35
|
19
|
25
|
38
|
41
|
47
|
46
|
44
|
58
|
64
|
|
2023/11
|
26
|
27
|
40
|
52
|
65
|
47
|
27
|
36
|
43
|
49
|
18
|
19
|
21
|
24
|
22
|
18
|
37
|
48
|
48
|
42
|
35
|
31
|
40
|
55
|
27
|
30
|
46
|
51
|
45
|
50
|
|
|
2023/10
|
31
|
34
|
35
|
41
|
26
|
23
|
23
|
19
|
22
|
21
|
30
|
28
|
29
|
35
|
43
|
40
|
42
|
42
|
64
|
39
|
24
|
24
|
22
|
29
|
39
|
34
|
27
|
25
|
28
|
30
|
26
|
|
2023/09
|
21
|
20
|
14
|
12
|
15
|
19
|
21
|
24
|
32
|
33
|
40
|
36
|
40
|
28
|
27
|
49
|
41
|
37
|
35
|
44
|
43
|
33
|
24
|
27
|
26
|
28
|
28
|
29
|
21
|
26
|
|
|
2023/08
|
32
|
34
|
39
|
37
|
40
|
46
|
51
|
40
|
37
|
32
|
22
|
21
|
25
|
32
|
34
|
30
|
28
|
31
|
23
|
24
|
25
|
31
|
26
|
27
|
38
|
31
|
23
|
29
|
37
|
17
|
19
|
|
2023/07
|
14
|
14
|
20
|
19
|
23
|
29
|
34
|
41
|
44
|
38
|
28
|
25
|
25
|
45
|
45
|
22
|
21
|
17
|
19
|
26
|
24
|
24
|
22
|
30
|
28
|
15
|
16
|
17
|
18
|
19
|
25
|
|
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