Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
36
PM2.5
88
PM10
188
O3
0.5
CO
22
SO2
13
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
19 May
100
Good
Mon
20 May
90
Good
Tue
21 May
100
Good
Wed
22 May
101
Lightly
Thu
23 May
105
Lightly
Fri
24 May
91
Good
Sat
25 May
91
Good
Air quality in the last 12 months (Kelan)
|
2024/02
|
95
|
132
|
146
|
94
|
88
|
78
|
67
|
77
|
97
|
176
|
74
|
69
|
69
|
77
|
59
|
61
|
62
|
100
|
151
|
63
|
40
|
40
|
65
|
78
|
96
|
83
|
95
|
94
|
47
|
||
|
2024/01
|
81
|
76
|
60
|
62
|
59
|
42
|
59
|
73
|
67
|
67
|
75
|
82
|
82
|
59
|
69
|
90
|
129
|
140
|
122
|
45
|
22
|
32
|
43
|
51
|
58
|
57
|
61
|
62
|
68
|
96
|
102
|
|
2023/12
|
44
|
50
|
58
|
60
|
143
|
287
|
97
|
89
|
68
|
75
|
60
|
111
|
94
|
46
|
31
|
27
|
52
|
77
|
59
|
40
|
37
|
60
|
68
|
71
|
80
|
107
|
131
|
145
|
158
|
122
|
64
|
|
2023/11
|
75
|
96
|
71
|
63
|
47
|
41
|
54
|
62
|
48
|
57
|
54
|
39
|
60
|
61
|
85
|
58
|
48
|
61
|
73
|
71
|
76
|
75
|
36
|
50
|
81
|
101
|
79
|
48
|
30
|
39
|
|
|
2023/10
|
49
|
59
|
56
|
49
|
51
|
41
|
54
|
39
|
44
|
55
|
65
|
67
|
54
|
50
|
61
|
63
|
69
|
45
|
46
|
43
|
50
|
56
|
71
|
79
|
68
|
61
|
63
|
68
|
75
|
68
|
69
|
|
2023/09
|
56
|
53
|
48
|
57
|
55
|
62
|
68
|
61
|
33
|
41
|
50
|
43
|
55
|
61
|
53
|
48
|
41
|
40
|
51
|
52
|
45
|
53
|
50
|
36
|
40
|
56
|
57
|
49
|
56
|
38
|
|
|
2023/08
|
35
|
41
|
40
|
41
|
38
|
52
|
57
|
56
|
57
|
60
|
45
|
36
|
48
|
54
|
59
|
61
|
150
|
78
|
64
|
66
|
47
|
54
|
44
|
38
|
46
|
29
|
27
|
37
|
50
|
50
|
54
|
|
2023/07
|
59
|
66
|
44
|
45
|
59
|
56
|
38
|
33
|
39
|
51
|
71
|
50
|
35
|
55
|
33
|
43
|
58
|
64
|
70
|
66
|
48
|
40
|
49
|
51
|
50
|
55
|
47
|
35
|
41
|
24
|
20
|
|
2023/06
|
50
|
38
|
43
|
42
|
46
|
49
|
51
|
42
|
51
|
44
|
47
|
50
|
45
|
62
|
61
|
62
|
59
|
57
|
43
|
47
|
48
|
60
|
64
|
61
|
60
|
57
|
55
|
38
|
44
|
55
|
|
|
2023/05
|
70
|
90
|
72
|
41
|
41
|
27
|
45
|
55
|
56
|
46
|
58
|
63
|
57
|
74
|
75
|
81
|
73
|
68
|
132
|
122
|
59
|
47
|
56
|
46
|
82
|
75
|
46
|
50
|
53
|
40
|
53
|
|
2023/04
|
83
|
69
|
23
|
32
|
36
|
46
|
41
|
58
|
127
|
257
|
385
|
169
|
107
|
330
|
85
|
98
|
121
|
181
|
183
|
191
|
26
|
36
|
40
|
30
|
40
|
68
|
81
|
152
|
74
|
49
|
|
|
2023/03
|
50
|
66
|
68
|
75
|
84
|
81
|
90
|
107
|
77
|
203
|
203
|
71
|
79
|
97
|
58
|
82
|
67
|
73
|
83
|
78
|
135
|
488
|
286
|
136
|
82
|
56
|
62
|
75
|
71
|
80
|
84
|
|
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