Air Quality
Excellent
No health implications.
20
PM2.5
41
PM10
36
O3
0.5
CO
5
SO2
23
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Jun
90
Good
Mon
30 Jun
74
Good
Tue
1 Jul
92
Good
Wed
2 Jul
70
Good
Thu
3 Jul
69
Good
Fri
4 Jul
33
Excellent
Sat
5 Jul
47
Excellent
Kelan Air quality rank
Air quality in the last 12 months (Kelan)
|
2025/05
|
55
|
68
|
26
|
57
|
122
|
58
|
71
|
71
|
28
|
41
|
43
|
56
|
83
|
31
|
41
|
164
|
119
|
57
|
68
|
66
|
72
|
95
|
41
|
46
|
39
|
39
|
43
|
59
|
58
|
57
|
31
|
|
2025/04
|
51
|
39
|
89
|
118
|
45
|
71
|
83
|
65
|
65
|
50
|
215
|
90
|
56
|
25
|
48
|
170
|
188
|
67
|
60
|
77
|
82
|
68
|
62
|
37
|
57
|
63
|
40
|
36
|
62
|
104
|
|
|
2025/03
|
89
|
74
|
37
|
50
|
57
|
39
|
57
|
61
|
73
|
76
|
179
|
125
|
77
|
80
|
40
|
24
|
34
|
29
|
39
|
38
|
53
|
72
|
168
|
254
|
300
|
213
|
200
|
73
|
33
|
33
|
41
|
|
2025/02
|
67
|
47
|
27
|
37
|
35
|
109
|
30
|
33
|
45
|
62
|
67
|
59
|
48
|
58
|
68
|
53
|
57
|
59
|
50
|
56
|
59
|
39
|
31
|
49
|
51
|
68
|
70
|
64
|
|||
|
2025/01
|
65
|
50
|
50
|
64
|
74
|
35
|
31
|
36
|
41
|
50
|
60
|
42
|
85
|
40
|
44
|
52
|
61
|
54
|
57
|
52
|
69
|
94
|
114
|
145
|
106
|
86
|
26
|
52
|
166
|
104
|
105
|
|
2024/12
|
58
|
45
|
52
|
46
|
36
|
36
|
37
|
40
|
59
|
64
|
69
|
72
|
82
|
47
|
54
|
61
|
58
|
50
|
61
|
51
|
41
|
54
|
67
|
68
|
61
|
54
|
33
|
47
|
72
|
83
|
70
|
|
2024/11
|
46
|
60
|
47
|
35
|
46
|
65
|
87
|
100
|
108
|
93
|
85
|
75
|
58
|
55
|
62
|
72
|
51
|
59
|
55
|
57
|
57
|
67
|
85
|
97
|
50
|
53
|
65
|
42
|
40
|
57
|
|
|
2024/10
|
59
|
31
|
43
|
55
|
62
|
52
|
35
|
43
|
47
|
39
|
49
|
61
|
56
|
61
|
53
|
87
|
77
|
22
|
28
|
23
|
39
|
31
|
50
|
59
|
68
|
51
|
40
|
55
|
63
|
61
|
51
|
|
2024/09
|
32
|
25
|
38
|
44
|
21
|
43
|
28
|
52
|
49
|
25
|
28
|
40
|
42
|
32
|
41
|
50
|
58
|
51
|
47
|
29
|
22
|
39
|
46
|
56
|
53
|
49
|
66
|
62
|
29
|
27
|
|
|
2024/08
|
40
|
48
|
40
|
36
|
34
|
35
|
21
|
33
|
40
|
57
|
19
|
23
|
31
|
44
|
35
|
39
|
46
|
39
|
39
|
40
|
44
|
45
|
55
|
55
|
50
|
19
|
31
|
40
|
45
|
48
|
52
|
|
2024/07
|
46
|
40
|
52
|
42
|
43
|
34
|
40
|
51
|
47
|
46
|
55
|
43
|
55
|
54
|
49
|
28
|
35
|
39
|
45
|
45
|
63
|
78
|
64
|
34
|
33
|
47
|
50
|
49
|
53
|
29
|
32
|
|
2024/06
|
42
|
50
|
46
|
53
|
46
|
58
|
35
|
46
|
48
|
48
|
64
|
64
|
61
|
40
|
39
|
52
|
51
|
56
|
58
|
61
|
41
|
93
|
151
|
65
|
55
|
74
|
60
|
67
|
50
|
37
|
|
|
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