Air Quality
Excellent
No health implications.
14
PM2.5
18
PM10
115
O3
0.3
CO
2
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Jul
55
Good
Tue
15 Jul
62
Good
Wed
16 Jul
57
Good
Thu
17 Jul
54
Good
Fri
18 Jul
67
Good
Sat
19 Jul
52
Good
Sun
20 Jul
19
Excellent
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