Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
91
*
PM2.5
105
PM10
29
O3
0.7
CO
8
SO2
40
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
10 Jan
106
Light
Sun
11 Jan
117
Light
Mon
12 Jan
104
Light
Tue
13 Jan
103
Light
Wed
14 Jan
110
Light
Thu
15 Jan
122
Light
Fri
16 Jan
34
Excellent
Bishan Air quality rank
Air quality in the last 12 months (Bishan)
|
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
|
|
2025/02
|
100
|
66
|
38
|
34
|
63
|
37
|
34
|
39
|
54
|
61
|
80
|
80
|
36
|
43
|
45
|
50
|
56
|
45
|
50
|
46
|
45
|
40
|
39
|
44
|
72
|
70
|
69
|
73
|
|||
|
2025/01
|
140
|
187
|
188
|
172
|
131
|
121
|
89
|
46
|
51
|
47
|
51
|
63
|
95
|
111
|
106
|
97
|
109
|
134
|
115
|
123
|
148
|
200
|
239
|
108
|
40
|
42
|
53
|
75
|
172
|
192
|
118
|
|
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
|
|
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