Air Quality
Excellent
No health implications.
4
PM2.5
12
PM10
60
O3
0.4
CO
2
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Jun
33
Excellent
Wed
17 Jun
35
Excellent
Thu
18 Jun
37
Excellent
Fri
19 Jun
46
Excellent
Sat
20 Jun
47
Excellent
Sun
21 Jun
49
Excellent
Mon
22 Jun
30
Excellent
Air quality in the last 12 months (Tongan)
|
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
|
|
2025/06
|
34
|
25
|
19
|
20
|
21
|
27
|
41
|
25
|
20
|
22
|
30
|
18
|
14
|
13
|
14
|
17
|
16
|
19
|
12
|
9
|
12
|
18
|
21
|
23
|
18
|
12
|
12
|
11
|
13
|
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