Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
32
PM2.5
51
*
PM10
81
O3
0.4
CO
7
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
13 Mar
53
Good
Sat
14 Mar
45
Excellent
Sun
15 Mar
37
Excellent
Mon
16 Mar
39
Excellent
Tue
17 Mar
45
Excellent
Wed
18 Mar
42
Excellent
Thu
19 Mar
38
Excellent
Air quality in the last 12 months (Bishan)
|
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
|
|
|
2025/08
|
36
|
32
|
34
|
36
|
44
|
33
|
27
|
35
|
35
|
34
|
21
|
25
|
29
|
32
|
34
|
24
|
27
|
28
|
25
|
22
|
31
|
34
|
24
|
24
|
29
|
27
|
26
|
27
|
29
|
32
|
26
|
|
2025/07
|
23
|
17
|
17
|
19
|
24
|
30
|
27
|
22
|
16
|
29
|
25
|
27
|
38
|
33
|
34
|
40
|
38
|
34
|
21
|
30
|
28
|
26
|
22
|
20
|
17
|
21
|
27
|
33
|
40
|
39
|
31
|
|
2025/06
|
30
|
27
|
41
|
48
|
56
|
57
|
42
|
25
|
20
|
34
|
37
|
38
|
35
|
39
|
34
|
38
|
29
|
25
|
17
|
26
|
26
|
20
|
20
|
21
|
16
|
27
|
26
|
25
|
24
|
20
|
|
|
2025/05
|
49
|
60
|
86
|
68
|
48
|
76
|
56
|
39
|
61
|
61
|
54
|
54
|
61
|
73
|
86
|
78
|
66
|
78
|
66
|
64
|
60
|
42
|
58
|
65
|
47
|
46
|
30
|
27
|
31
|
31
|
27
|
|
2025/04
|
37
|
48
|
55
|
57
|
76
|
79
|
67
|
64
|
75
|
71
|
54
|
266
|
250
|
151
|
109
|
78
|
77
|
65
|
49
|
37
|
46
|
45
|
48
|
41
|
50
|
53
|
43
|
43
|
48
|
38
|
|
|
2025/03
|
102
|
98
|
36
|
30
|
25
|
24
|
39
|
54
|
69
|
60
|
56
|
84
|
86
|
64
|
42
|
37
|
29
|
30
|
42
|
52
|
66
|
79
|
64
|
59
|
60
|
60
|
98
|
80
|
23
|
31
|
35
|
|
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