Air Quality
Excellent
No health implications.
14
PM2.5
33
PM10
38
O3
0.7
CO
6
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Jul
69
Good
Sun
27 Jul
51
Good
Mon
28 Jul
64
Good
Tue
29 Jul
50
Excellent
Wed
30 Jul
50
Excellent
Thu
31 Jul
48
Excellent
Fri
1 Aug
48
Excellent
Tongan Air quality rank
Air quality in the last 12 months (Tongan)
|
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
|
|
|
2025/05
|
47
|
40
|
37
|
39
|
30
|
30
|
29
|
39
|
26
|
19
|
23
|
27
|
29
|
30
|
24
|
15
|
13
|
21
|
20
|
22
|
20
|
33
|
29
|
11
|
37
|
34
|
24
|
17
|
17
|
22
|
37
|
|
2025/04
|
16
|
33
|
32
|
50
|
49
|
35
|
43
|
50
|
65
|
44
|
39
|
22
|
93
|
75
|
76
|
63
|
53
|
55
|
49
|
29
|
35
|
33
|
24
|
36
|
20
|
11
|
25
|
32
|
27
|
40
|
|
|
2025/03
|
64
|
24
|
19
|
23
|
15
|
13
|
17
|
25
|
28
|
33
|
47
|
49
|
32
|
31
|
43
|
15
|
37
|
40
|
32
|
34
|
35
|
38
|
43
|
52
|
55
|
46
|
36
|
38
|
11
|
15
|
14
|
|
2025/02
|
36
|
19
|
16
|
35
|
44
|
50
|
17
|
35
|
27
|
26
|
29
|
69
|
31
|
26
|
31
|
63
|
47
|
48
|
18
|
21
|
16
|
18
|
13
|
30
|
39
|
69
|
68
|
63
|
|||
|
2025/01
|
47
|
51
|
43
|
28
|
32
|
44
|
48
|
49
|
51
|
49
|
26
|
34
|
42
|
39
|
62
|
68
|
49
|
35
|
43
|
33
|
50
|
43
|
45
|
24
|
21
|
22
|
24
|
37
|
106
|
27
|
29
|
|
2024/12
|
36
|
37
|
24
|
28
|
30
|
29
|
27
|
28
|
24
|
20
|
31
|
14
|
18
|
35
|
54
|
45
|
38
|
37
|
37
|
18
|
27
|
53
|
20
|
17
|
26
|
48
|
51
|
55
|
41
|
33
|
51
|
|
2024/11
|
14
|
12
|
25
|
34
|
31
|
25
|
16
|
18
|
25
|
29
|
22
|
16
|
16
|
19
|
27
|
17
|
14
|
11
|
11
|
14
|
14
|
16
|
20
|
15
|
10
|
15
|
21
|
15
|
24
|
34
|
|
|
2024/10
|
11
|
15
|
12
|
15
|
13
|
15
|
14
|
10
|
21
|
38
|
38
|
25
|
23
|
27
|
26
|
20
|
24
|
31
|
31
|
12
|
17
|
17
|
24
|
18
|
11
|
23
|
33
|
19
|
23
|
28
|
7
|
|
2024/09
|
33
|
36
|
29
|
16
|
16
|
11
|
12
|
14
|
9
|
32
|
43
|
40
|
16
|
19
|
13
|
16
|
13
|
15
|
21
|
14
|
17
|
11
|
12
|
11
|
17
|
20
|
18
|
12
|
12
|
7
|
|
|
2024/08
|
29
|
28
|
36
|
35
|
37
|
35
|
31
|
34
|
25
|
27
|
40
|
32
|
32
|
27
|
29
|
20
|
20
|
21
|
22
|
17
|
23
|
30
|
19
|
36
|
37
|
39
|
46
|
35
|
31
|
25
|
25
|
|
2024/07
|
17
|
16
|
12
|
16
|
15
|
10
|
10
|
10
|
11
|
12
|
18
|
15
|
20
|
16
|
13
|
22
|
12
|
13
|
15
|
11
|
16
|
24
|
25
|
11
|
10
|
20
|
17
|
23
|
16
|
16
|
14
|
|
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