Air Quality
Excellent
No health implications.
9
PM2.5
11
PM10
35
O3
0.5
CO
2
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
6 Aug
64
Good
Fri
7 Aug
64
Good
Sat
8 Aug
55
Good
Sun
9 Aug
51
Good
Mon
10 Aug
44
Excellent
Tue
11 Aug
16
Excellent
Wed
12 Aug
16
Excellent
Air quality in the last 12 months (Tongan)
|
2026/06
|
59
|
54
|
40
|
33
|
29
|
39
|
32
|
22
|
26
|
30
|
29
|
32
|
35
|
21
|
14
|
19
|
16
|
14
|
17
|
21
|
32
|
39
|
46
|
54
|
24
|
23
|
19
|
20
|
15
|
16
|
|
|
2026/05
|
31
|
40
|
33
|
27
|
31
|
36
|
53
|
48
|
32
|
33
|
47
|
64
|
45
|
18
|
20
|
28
|
29
|
32
|
35
|
27
|
22
|
26
|
29
|
35
|
29
|
34
|
37
|
43
|
40
|
46
|
50
|
|
2026/04
|
34
|
31
|
28
|
26
|
30
|
29
|
28
|
29
|
34
|
30
|
28
|
27
|
28
|
29
|
45
|
29
|
50
|
49
|
44
|
48
|
38
|
31
|
37
|
22
|
32
|
44
|
52
|
44
|
31
|
24
|
|
|
2026/03
|
19
|
32
|
19
|
24
|
23
|
33
|
36
|
45
|
46
|
35
|
43
|
43
|
42
|
40
|
37
|
29
|
35
|
37
|
32
|
40
|
45
|
52
|
49
|
39
|
49
|
42
|
49
|
33
|
44
|
44
|
36
|
|
2026/02
|
16
|
29
|
36
|
33
|
44
|
42
|
22
|
26
|
22
|
29
|
34
|
36
|
37
|
33
|
25
|
47
|
49
|
32
|
34
|
40
|
39
|
50
|
35
|
66
|
37
|
35
|
32
|
10
|
|||
|
2026/01
|
17
|
22
|
29
|
33
|
37
|
24
|
34
|
38
|
39
|
47
|
43
|
48
|
51
|
46
|
49
|
45
|
47
|
54
|
41
|
22
|
23
|
29
|
21
|
24
|
24
|
37
|
33
|
25
|
26
|
29
|
31
|
|
2025/12
|
42
|
34
|
39
|
32
|
28
|
31
|
34
|
36
|
35
|
32
|
40
|
40
|
29
|
23
|
31
|
35
|
39
|
42
|
39
|
48
|
53
|
26
|
29
|
37
|
27
|
23
|
23
|
27
|
34
|
32
|
35
|
|
2025/11
|
21
|
33
|
28
|
12
|
11
|
15
|
21
|
25
|
27
|
12
|
12
|
10
|
9
|
25
|
39
|
33
|
27
|
28
|
20
|
29
|
31
|
40
|
37
|
44
|
36
|
61
|
46
|
59
|
60
|
50
|
|
|
2025/10
|
37
|
19
|
26
|
27
|
21
|
22
|
26
|
22
|
22
|
21
|
23
|
27
|
26
|
28
|
18
|
25
|
26
|
20
|
12
|
10
|
14
|
14
|
15
|
14
|
17
|
33
|
36
|
21
|
14
|
23
|
25
|
|
2025/09
|
20
|
27
|
33
|
27
|
28
|
15
|
12
|
7
|
17
|
21
|
18
|
24
|
25
|
26
|
23
|
23
|
16
|
12
|
9
|
8
|
10
|
8
|
12
|
8
|
17
|
10
|
14
|
15
|
27
|
32
|
|
|
2025/08
|
21
|
25
|
12
|
11
|
15
|
19
|
25
|
35
|
19
|
11
|
9
|
19
|
18
|
11
|
10
|
12
|
12
|
13
|
14
|
18
|
16
|
24
|
28
|
19
|
20
|
18
|
10
|
17
|
16
|
15
|
16
|
|
2025/07
|
29
|
26
|
20
|
18
|
12
|
20
|
24
|
38
|
35
|
11
|
11
|
18
|
28
|
17
|
30
|
32
|
36
|
16
|
15
|
14
|
12
|
9
|
9
|
13
|
18
|
17
|
16
|
13
|
16
|
22
|
18
|
|
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