Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
37
*
PM2.5
44
PM10
10
O3
1.1
CO
4
SO2
17
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
24 Jan
119
Light
Sat
25 Jan
59
Good
Sun
26 Jan
52
Good
Mon
27 Jan
67
Good
Tue
28 Jan
120
Light
Wed
29 Jan
183
Moderate
Thu
30 Jan
27
Excellent
Air quality in the last 12 months (Bishan)
|
2024/12
|
80
|
102
|
90
|
89
|
46
|
45
|
42
|
40
|
44
|
64
|
72
|
54
|
58
|
52
|
62
|
79
|
111
|
132
|
105
|
90
|
131
|
88
|
70
|
103
|
125
|
124
|
127
|
125
|
130
|
114
|
107
|
|
2024/11
|
51
|
56
|
72
|
88
|
42
|
47
|
77
|
74
|
42
|
46
|
60
|
65
|
52
|
51
|
53
|
34
|
24
|
24
|
22
|
30
|
43
|
50
|
44
|
31
|
27
|
41
|
46
|
44
|
60
|
72
|
|
|
2024/10
|
19
|
24
|
29
|
41
|
49
|
47
|
48
|
49
|
67
|
96
|
75
|
44
|
56
|
59
|
54
|
60
|
30
|
38
|
47
|
22
|
28
|
32
|
42
|
56
|
83
|
99
|
40
|
57
|
70
|
117
|
116
|
|
2024/09
|
42
|
41
|
27
|
30
|
38
|
39
|
45
|
32
|
28
|
33
|
41
|
37
|
35
|
54
|
32
|
32
|
36
|
37
|
34
|
46
|
34
|
44
|
38
|
53
|
70
|
106
|
49
|
44
|
38
|
17
|
|
|
2024/08
|
30
|
23
|
23
|
25
|
35
|
34
|
27
|
25
|
33
|
42
|
49
|
65
|
60
|
47
|
45
|
41
|
41
|
57
|
42
|
45
|
41
|
36
|
30
|
27
|
23
|
27
|
40
|
35
|
35
|
31
|
32
|
|
2024/07
|
34
|
34
|
38
|
33
|
23
|
37
|
27
|
42
|
37
|
26
|
22
|
29
|
34
|
26
|
28
|
28
|
27
|
37
|
29
|
29
|
26
|
31
|
30
|
23
|
52
|
50
|
38
|
35
|
35
|
34
|
33
|
|
2024/06
|
58
|
30
|
33
|
27
|
35
|
29
|
29
|
34
|
37
|
33
|
40
|
45
|
48
|
54
|
49
|
44
|
37
|
31
|
26
|
31
|
25
|
34
|
41
|
40
|
42
|
35
|
17
|
17
|
28
|
41
|
|
|
2024/05
|
34
|
32
|
27
|
36
|
38
|
43
|
65
|
58
|
56
|
51
|
54
|
53
|
50
|
53
|
37
|
48
|
49
|
48
|
43
|
27
|
23
|
31
|
38
|
45
|
43
|
27
|
39
|
39
|
27
|
35
|
51
|
|
2024/04
|
51
|
37
|
32
|
27
|
25
|
27
|
26
|
27
|
33
|
45
|
46
|
38
|
44
|
49
|
72
|
32
|
32
|
38
|
26
|
43
|
53
|
41
|
34
|
40
|
41
|
40
|
47
|
36
|
24
|
22
|
|
|
2024/03
|
64
|
55
|
60
|
88
|
96
|
91
|
70
|
72
|
69
|
76
|
88
|
65
|
75
|
78
|
55
|
57
|
76
|
27
|
42
|
58
|
67
|
72
|
79
|
65
|
28
|
34
|
36
|
46
|
51
|
50
|
51
|
|
2024/02
|
113
|
85
|
46
|
37
|
41
|
53
|
50
|
50
|
54
|
122
|
102
|
95
|
96
|
106
|
39
|
38
|
42
|
65
|
97
|
185
|
57
|
20
|
27
|
37
|
50
|
43
|
58
|
73
|
79
|
||
|
2024/01
|
78
|
83
|
69
|
71
|
90
|
126
|
113
|
88
|
87
|
97
|
101
|
117
|
133
|
147
|
159
|
57
|
44
|
57
|
54
|
51
|
31
|
23
|
34
|
40
|
61
|
61
|
71
|
86
|
90
|
98
|
104
|
|
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