Air Quality
Excellent
No health implications.
12
PM2.5
22
PM10
27
O3
0.6
CO
5
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Jul
70
Good
Mon
28 Jul
73
Good
Tue
29 Jul
75
Good
Wed
30 Jul
82
Good
Thu
31 Jul
85
Good
Fri
1 Aug
92
Good
Sat
2 Aug
27
Excellent
Air quality in the last 12 months (Kelan)
|
2025/06
|
44
|
24
|
26
|
25
|
41
|
47
|
53
|
46
|
46
|
34
|
54
|
61
|
33
|
35
|
18
|
21
|
36
|
44
|
33
|
32
|
31
|
47
|
46
|
48
|
52
|
38
|
40
|
32
|
31
|
43
|
|
|
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
|
|
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