Air Quality
Excellent
No health implications.
3
PM2.5
7
PM10
40
O3
0.5
CO
2
SO2
21
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 May
58
Good
Sat
10 May
69
Good
Sun
11 May
64
Good
Mon
12 May
68
Good
Tue
13 May
67
Good
Wed
14 May
69
Good
Thu
15 May
47
Excellent
Air quality in the last 12 months (Tongan)
|
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
|
|
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
|
|
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