Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
50
*
PM2.5
52
PM10
41
O3
0.9
CO
6
SO2
22
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
25 Oct
55
Good
Mon
26 Oct
39
Excellent
Tue
27 Oct
33
Excellent
Wed
28 Oct
35
Excellent
Thu
29 Oct
42
Excellent
Fri
30 Oct
44
Excellent
Sat
31 Oct
20
Excellent
Air quality in the last 12 months (Bishan)
|
2026/08
|
33
|
27
|
20
|
24
|
38
|
28
|
40
|
32
|
39
|
40
|
44
|
43
|
43
|
40
|
36
|
40
|
62
|
84
|
37
|
46
|
53
|
58
|
50
|
50
|
50
|
41
|
39
|
36
|
26
|
34
|
47
|
|
2026/07
|
37
|
37
|
39
|
42
|
35
|
35
|
45
|
36
|
35
|
29
|
28
|
33
|
37
|
35
|
34
|
33
|
30
|
31
|
42
|
55
|
54
|
46
|
43
|
41
|
30
|
33
|
32
|
28
|
30
|
30
|
30
|
|
2026/06
|
34
|
43
|
46
|
71
|
57
|
64
|
38
|
25
|
32
|
49
|
51
|
40
|
48
|
50
|
62
|
60
|
41
|
22
|
34
|
40
|
40
|
21
|
26
|
31
|
29
|
18
|
29
|
34
|
26
|
39
|
|
|
2026/05
|
50
|
34
|
46
|
43
|
53
|
47
|
45
|
30
|
45
|
60
|
69
|
59
|
41
|
63
|
54
|
34
|
33
|
28
|
34
|
37
|
35
|
34
|
28
|
32
|
31
|
35
|
36
|
39
|
38
|
48
|
40
|
|
2026/04
|
40
|
39
|
35
|
45
|
53
|
48
|
35
|
38
|
40
|
49
|
44
|
37
|
40
|
39
|
35
|
38
|
51
|
49
|
48
|
88
|
50
|
24
|
39
|
41
|
57
|
55
|
44
|
31
|
23
|
34
|
|
|
2026/03
|
41
|
42
|
36
|
33
|
51
|
46
|
38
|
41
|
33
|
29
|
45
|
46
|
54
|
41
|
28
|
36
|
32
|
26
|
36
|
45
|
47
|
46
|
48
|
35
|
37
|
48
|
40
|
33
|
41
|
36
|
27
|
|
2026/02
|
64
|
84
|
78
|
80
|
94
|
115
|
70
|
53
|
50
|
70
|
65
|
78
|
83
|
87
|
106
|
62
|
97
|
93
|
99
|
80
|
79
|
98
|
104
|
45
|
42
|
51
|
46
|
24
|
|||
|
2026/01
|
24
|
19
|
36
|
45
|
54
|
56
|
64
|
72
|
109
|
160
|
175
|
180
|
157
|
176
|
177
|
186
|
194
|
215
|
121
|
22
|
26
|
58
|
59
|
64
|
76
|
79
|
71
|
85
|
87
|
45
|
45
|
|
2025/12
|
131
|
171
|
76
|
61
|
59
|
67
|
74
|
89
|
128
|
120
|
91
|
106
|
42
|
55
|
63
|
83
|
102
|
105
|
121
|
64
|
37
|
36
|
33
|
47
|
42
|
42
|
55
|
63
|
74
|
89
|
45
|
|
2025/11
|
35
|
42
|
45
|
37
|
38
|
28
|
20
|
23
|
30
|
30
|
38
|
43
|
49
|
55
|
33
|
46
|
26
|
24
|
37
|
50
|
59
|
68
|
51
|
57
|
59
|
56
|
69
|
72
|
97
|
111
|
|
|
2025/10
|
45
|
26
|
32
|
25
|
29
|
32
|
47
|
48
|
30
|
55
|
62
|
40
|
21
|
30
|
28
|
36
|
33
|
21
|
16
|
15
|
17
|
21
|
19
|
33
|
26
|
30
|
32
|
34
|
37
|
35
|
40
|
|
2025/09
|
36
|
50
|
47
|
57
|
64
|
21
|
32
|
16
|
32
|
40
|
29
|
18
|
13
|
24
|
26
|
28
|
41
|
25
|
15
|
18
|
32
|
26
|
22
|
27
|
46
|
32
|
35
|
35
|
18
|
31
|
|
|
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